Find Research Outputs

Search in all content

Filters for Research Output

Search concepts
Selected filters

Publication Year

  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2012
  • 2011

Author

  • Keiji Tsukada
7 Citations (Scopus)

A comparison of two-dimensional techniques for converting magnetocardiogram maps into effective current source distributions

Ogata, K., Kandori, A., Miyashita, T., Sekihara, K. & Tsukada, K., Jan 1 2011, In : Review of Scientific Instruments. 82, 1, 014302.

Research output: Contribution to journalArticle

4 Citations (Scopus)

A magnetic flux leakage method using a magnetoresistive sensor for nondestructive evaluation of spot welds

Tsukada, K., Yoshioka, M., Kiwa, T. & Hirano, Y., Jan 1 2011, In : NDT and E International. 44, 1, p. 101-105 5 p.

Research output: Contribution to journalArticle

31 Citations (Scopus)
1 Citation (Scopus)

An MFL Probe using Shiftable Magnetization Angle for Front and Back Side Crack Evaluation

Hadi Putera Zaini, M. A., Mawardi Saari, M., Nadzri, N. A., Mohd Halil, A. & Tsukada, K., Apr 22 2019, Proceedings - 2019 IEEE 15th International Colloquium on Signal Processing and its Applications, CSPA 2019. Institute of Electrical and Electronics Engineers Inc., p. 157-161 5 p. 8696064. (Proceedings - 2019 IEEE 15th International Colloquium on Signal Processing and its Applications, CSPA 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Application of a HTS Coil with a Magnetic Sensor to Nondestructive Testing Using a Low-Frequency Magnetic Field

Matsunaga, Y., Isshiki, R., Nakamura, Y., Sakai, K., Kiwa, T. & Tsukada, K., Jun 1 2017, In : IEEE Transactions on Applied Superconductivity. 27, 4, 7750561.

Research output: Contribution to journalArticle

3 Citations (Scopus)

A sensitive AC magnetometer using a resonant excitation coil for magnetic fluid characterization in nonlinear magnetization region

Saari, M. M., Suhaimi, N. S., Lah, N. A. C., Sakai, K., Kiwa, T. & Tsukada, K., Oct 24 2018, 2018 IEEE International Magnetic Conference, INTERMAG 2018. Institute of Electrical and Electronics Engineers Inc., 8508784. (2018 IEEE International Magnetic Conference, INTERMAG 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

A terahertz chemical microscopy for an agar culture medium

Nino, H., Nakamura, A., Omura, K., Sakai, K., Kiwa, T. & Tsukada, K., Oct 17 2014, 2014 31th URSI General Assembly and Scientific Symposium, URSI GASS 2014. Institute of Electrical and Electronics Engineers Inc., 6930088. (2014 31th URSI General Assembly and Scientific Symposium, URSI GASS 2014).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

A terahertz technology for label-free immune assay

Kiwa, T., Ogawa, M., Akimune, K., Nino, H., Sakai, K. & Tsukada, K., Jan 7 2016, 2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015. Institute of Electrical and Electronics Engineers Inc., 7376392. (2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Automatic scanning system for back-side defect of steel structure using magnetic flux leakage method

Sakai, K., Morita, K., Haga, Y., Kiwa, T., Inoue, K. & Tsukada, K., Jul 14 2015, 2015 IEEE International Magnetics Conference, INTERMAG 2015. Institute of Electrical and Electronics Engineers Inc., 7157125. (2015 IEEE International Magnetics Conference, INTERMAG 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Automatic Scanning System for Back-Side Defect of Steel Structure Using Magnetic Flux Leakage Method

Sakai, K., Morita, K., Haga, Y., Kiwa, T., Inoue, K. & Tsukada, K., Nov 1 2015, In : IEEE Transactions on Magnetics. 51, 11, 7151805.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Changes in work function and electrical resistance of Pt thin films in the presence of hydrogen gas

Tsukada, K., Inoue, H., Katayama, F., Sakai, K. & Kiwa, T., Jan 1 2012, In : Japanese journal of applied physics. 51, 1, 015701.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Characterization of new structural ion sensor for sodium ion

Komori, T., Yamamoto, T., Oda, K., Sakai, K., Kiwa, T. & Tsukada, K., Jul 17 2013, In : IEEJ Transactions on Sensors and Micromachines. 133, 7, p. 309-313 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
16 Citations (Scopus)

Characterizing of corrosion backside of steel plates using extremely low-frequency eddy current testing with multiple-frequency magnetic-field exposure

Goda, T., Haga, Y., Tomioka, T., Sakai, K., Kiwa, T. & Tsukada, K., Jan 1 2018, Electromagnetic Non-Destructive Evaluation (XXI). IOS Press, p. 130-135 6 p. (Studies in Applied Electromagnetics and Mechanics; vol. 43).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chloride ion sensor using electrochemical impedance spectroscopy

Sugai, R., Sakai, K., Kiwa, T. & Tsukada, K., 2016, In : IEEJ Transactions on Sensors and Micromachines. 136, 4, p. 102-107 6 p.

Research output: Contribution to journalArticle

Compact AC/DC Susceptometer Using a High-Temperature Superconducting Quantum Interference Device

Takagi, R., Saari, M. M., Sakai, K., Kiwa, T. & Tsukada, K., Mar 1 2016, In : Electronics and Communications in Japan. 99, 3, p. 369-374 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

DC current distribution mapping system of the solar panels using a HTS-SQUID gradiometer

Miyazaki, S., Kasuya, S., Saari, M. M., Sakai, K., Kiwa, T., Tsukamoto, A., Adachi, S., Tanabe, K. & Tsukada, K., Jan 1 2014, In : Journal of Physics: Conference Series. 507, PART 4, 042026.

Research output: Contribution to journalConference article

2 Citations (Scopus)

Design of eddy current testing probe for surface defect evaluation

Saari, M. M., Nadzri, N. A., Halil, A. M., Ishak, M., Sakai, K., Kiwa, T. & Tsukada, K., Jan 1 2019, In : International Journal of Automotive and Mechanical Engineering. 16, 1, p. 6357-6367 11 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Detecting internal defects of a steel plate by using low-frequency magnetic flux leakage method

Song, N., Haga, Y., Goda, T., Sakai, K., Kiwa, T. & Tsukada, K., Apr 6 2017, SAS 2017 - 2017 IEEE Sensors Applications Symposium, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7894069

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Detection Method Using a Dual-channel Magnetic Sensor for Steel Cracks in Complicated Structures

Hayashi, M., Nakamura, Y., Sakai, K., Kiwa, T., Tanikura, I. & Tsukada, K., Jan 1 2018, Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018. Su, Z., Yuan, S. & Sohn, H. (eds.). NDT.net, p. 580-586 7 p. (Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Detection of Inner Corrosion of Steel Construction Using Magnetic Resistance Sensor and Magnetic Spectroscopy Analysis

Tsukada, K., Haga, Y., Morita, K., Song, N., Sakai, K., Kiwa, T. & Cheng, W., Jul 1 2016, In : IEEE Transactions on Magnetics. 52, 7, 7410073.

Research output: Contribution to journalArticle

26 Citations (Scopus)

Detection of inner cracks in thick steel plates using non-saturated AC magnetic flux leakage testing with a magnetic resistance gradiometer

Tsukada, K., Majima, Y., Nakamura, Y., Yasugi, T., Sakai, K. & Kiwa, T., Aug 10 2017, 2017 IEEE International Magnetics Conference, INTERMAG 2017. Institute of Electrical and Electronics Engineers Inc., 8007857

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Detection of Inner Cracks in Thick Steel Plates Using Unsaturated AC Magnetic Flux Leakage Testing with a Magnetic Resistance Gradiometer

Tsukada, K., Majima, Y., Nakamura, Y., Yasugi, T., Song, N., Sakai, K. & Kiwa, T., Nov 1 2017, In : IEEE Transactions on Magnetics. 53, 11, 7945278.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Detection of Ions in Solutions with Sub-Micro Liter Volumes Using a Terahertz Chemical Microscope

Maeno, Y., Kamiya, T., Kiwa, T., Sakai, K. & Tsukada, K., Oct 25 2018, 2018 43rd International Conference on Infrared Millimeter and Terahertz Waves, IRMMW-THz 2018. IEEE Computer Society, Vol. 2018-September. 8510464

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Detection of lung cancer cells using a terahertz chemical microscope

Sato, K., Iida, M., Inoue, H., Kiwa, T., Toyooka, S. & Tsukada, K., 2019, JSAP-OSA Joint Symposia, JSAP_2019. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F146-JSAP 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Development of a compact DC magnetometer using HTS-SQUID and a rotating sample

Sakai, K., Saari, M. M., Kiwa, T., Tsukamoto, A., Adachi, S., Tanabe, K., Kandori, A. & Tsukada, K., Apr 1 2012, In : Superconductor Science and Technology. 25, 4, 045005.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Development of a compact magnetometer with an AC/DC magnetic field using HTS-SQUID

Takagi, R., Saari, M. M., Sakai, K., Kiwa, T. & Tsukada, K., Oct 15 2013, 2013 IEEE 14th InternationalSuperconductive Electronics Conference, ISEC 2013. 6604309. (2013 IEEE 14th InternationalSuperconductive Electronics Conference, ISEC 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Development of a compact moving-sample magnetometer using high-Tc superconducting quantum interference device

Saari, M. M., Sakai, K., Kiwa, T., Tsukamoto, A., Adachi, S., Tanabe, K., Kandori, A. & Tsukada, K., Apr 25 2012, In : Japanese Journal of Applied Physics. 51, 4 PART 1, p. 46601 046601.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Development of a Highly Sensitive Magnetic Field Detector with a Wide Frequency Range for Nondestructive Testing Using an HTS Coil with Magnetic Sensors

Hirata, T., Goda, Y., Sakai, K., Kiwa, T., Adachi, S., Tsukamoto, A., Hato, T., Tanabe, K. & Tsukada, K., Aug 1 2019, In : IEEE Transactions on Applied Superconductivity. 29, 5, 3500905.

Research output: Contribution to journalArticle

Development of a Magnetic Phase Map for Analysis of the Internal Structure of a Spot Weld

Song, N., Shiga, K., Sakai, K., Kiwa, T. & Tsukada, K., 2016, Electromagnetic Nondestructive Evaluation (XIX). IOS Press, Vol. 41. p. 302-311 10 p. (Studies in Applied Electromagnetics and Mechanics; vol. 41).

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)

Development of a planar type ion sensor for urine testing

Sakai, K., Yamamoto, T., Sugai, R., Kiwa, T. & Tsukada, K., Aug 1 2015, In : Sensor Letters. 13, 8, p. 706-710 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Development of a resonant excitation coil of AC magnetometer for evaluation of magnetic fluid

Saari, M. M., Suhaimi, N. S., Razali, S., Che Lah, N. A., Sakai, K., Kiwa, T. & Tsukada, K., Jan 1 2018, In : Journal of Telecommunication, Electronic and Computer Engineering. 10, 1-2, p. 127-130 4 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Development of eddy current testing system using HTS-SQUID on a hand cart for detection of fatigue cracks of steel plate used in expressways

Tsukamoto, A., Hato, T., Adachi, S., Oshikubo, Y., Tsukada, K. & Tanabe, K., Jan 18 2018, (Accepted/In press) In : IEEE Transactions on Applied Superconductivity.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Development of in situ methods for battery using a THz chemical microscope

Fujiwara, K., Akiwa, Y., Sakai, K., Kiwa, T. & Tsukada, K., Jan 1 2018, Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2018. OSA - The Optical Society, Vol. Part F113-CLEOPR 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Development of in Situ Methods for Battery Using a THz Chemical Microscope

Fujiwara, K., Akiwa, Y., Sakai, K., Kiwa, T. & Tsukada, K., Apr 25 2019, 2018 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2018. Institute of Electrical and Electronics Engineers Inc., 8699770. (2018 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Development of integrated AC-DC magnetometer using high-Tc SQUID for magnetic properties evaluation of magnetic nanoparticles in solution

Saari, M. M., Takagi, R., Kusaka, T., Ishihara, Y., Tsukamoto, Y., Sakai, K., Kiwa, T. & Tsukada, K., 2014, In : Journal of Physics: Conference Series. 507, PART 4, 042035.

Research output: Contribution to journalConference article

2 Citations (Scopus)

Development of Three-Channel HTS-SQUID Inspection System for Orthotropic Steel Decks of Expressway Bridges

Tsukamoto, A., Hato, T., Adachi, S., Oshikubo, Y., Tsukada, K. & Tanabe, K., Aug 1 2019, In : IEEE Transactions on Applied Superconductivity. 29, 5, 8665920.

Research output: Contribution to journalArticle

Differential conductivity mapping of solar panels using a high-T C superconductor SQUID

Kiwa, T., Maeda, S., Miyake, K., Kataoka, N., Tsukamoto, A., Adachi, S., Tanabe, K., Kandori, A. & Tsukada, K., Nov 1 2011, In : Physica C: Superconductivity and its applications. 471, 21-22, p. 1238-1241 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Eddy Current Testing System Using HTS-SQUID with External Pickup Coil Made of HTS Wire

Tsukamoto, A., Hato, T., Adachi, S., Oshikubo, Y., Cheng, W., Enpuku, K., Tsukada, K. & Tanabe, K., Jun 1 2017, In : IEEE Transactions on Applied Superconductivity. 27, 4, 7750546.

Research output: Contribution to journalArticle

9 Citations (Scopus)
7 Citations (Scopus)
2 Citations (Scopus)

Electric Potential Distribution on Lithium Ion Battery Cathodes Measured Using Terahertz Chemical Microscopy

Kiwa, T., Akiwa, Y., Fujita, H., Teranishi, T., Sakai, K., Nose, H., Kobayashi, M. & Tsukada, K., Nov 1 2019, In : Journal of Infrared, Millimeter, and Terahertz Waves. 41, 4, p. 430-437

Research output: Contribution to journalArticle

ELECTROMAGNETIC WAVE WAVEFRONT SHAPING ELEMENT AND ELECTROMAGNETIC WAVE IMAGING DEVICE USING THE SAME, AND METHOD OF ELECTROMAGNETIC WAVE IMAGING

KIWA, TOSHIHIKO. & TSUKADA, KEIJI., Sep 9 2011, IPC No. H01S 3/ 00 A I, Patent No. WO2011108518, Priority date Mar 1 2010, Priority No. JP20100044794

Research output: Patent

Evaluation of hardened and non- ardened regions using eddy current testing

Sakai, K., Ito, T., Kiwa, T. & Tsukada, K., Jan 1 2018, Electromagnetic Non-Destructive Evaluation (XXI). IOS Press, p. 1-8 8 p. (Studies in Applied Electromagnetics and Mechanics; vol. 43).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Evaluation of Li-ion battery using a Terahertz Chemical Microscope

Akiwa, Y., Fujiwara, K., Yoshikawa, Y., Teranisi, T., Sakai, K., Kiwa, T. & Tsukada, K., Oct 25 2018, 2018 43rd International Conference on Infrared Millimeter and Terahertz Waves, IRMMW-THz 2018. IEEE Computer Society, Vol. 2018-September. 8509878

Research output: Chapter in Book/Report/Conference proceedingConference contribution