Tetsuo Oka

  • 1918 Citations
  • 22 h-Index
1990 …2020

Research output per year

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Research Output

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Article

Prototype of SC inverter

Osamura, K., Sakai, A., Nakamura, T., Oka, T., Fukuda, S. & Yamaguchi, S., 2011 Jun 1, In : IEEE Transactions on Applied Superconductivity. 21, 3 PART 2, p. 1445-1448 4 p., 5675739.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Pulsed-field magnetization applied to high-Tc superconductors

Mizutani, U., Oka, T., Itoh, Y., Yanagi, Y., Yoshikawa, M. & Ikuta, H., 1998 Jan 1, In : Applied Superconductivity. 6, 2-5, p. 235-246 12 p.

Research output: Contribution to journalArticle

101 Citations (Scopus)

Pulsed field magnetization characteristics of a holed superconducting bulk magnet

Yokoyama, K., Igarashi, R., Togasaki, R. & Oka, T., 2015 Jun 25, In : Physica C: Superconductivity and its Applications. 518, p. 117-121 5 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Pulsed field magnetization of a 36 mm diameter single-domain Sm-Ba-Cu-O bulk superconductor at 30, 35 and 77 K

Yanagi, Y., Itoh, Y., Yoshikawa, M., Oka, T., Ikuta, H. & Mizutani, U., 2005 Jun 1, In : Superconductor Science and Technology. 18, 6, p. 839-849 11 p.

Research output: Contribution to journalArticle

39 Citations (Scopus)

Pulsed-field magnetization of a bulk superconductor with small holes

Yokoyama, K., Oka, T., Kondo, N. & Hosaka, S., 2013 Jan 15, In : Physica C: Superconductivity and its applications. 484, p. 343-347 5 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Pulsed-field magnetization of a superconducting bulk magnet after field cooling using a permanent magnet

Yokoyama, K., Oka, T. & Noto, K., 2012 Jun 25, In : IEEE Transactions on Applied Superconductivity. 22, 3, 6094195.

Research output: Contribution to journalArticle

Pulsed field magnetization of melt-processed Sm-Ba-Cu-O

Ishihara, H., Ikuta, H., Itoh, Y., Yanagi, Y., Yoshikawa, M., Oka, T. & Mizutani, U., 2001 Jan 1, In : Physica C: Superconductivity and its applications. 357-360, p. 763-766 4 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Pulsed field magnetization of melt-processed Y-Ba-Cu-O bulk superconductor with no weak links

Itoh, Y., Yanagi, Y., Yoshikawa, M., Oka, T., Yamada, Y. & Mizutani, U., 1996 Dec 1, In : Japanese Journal of Applied Physics, Part 2: Letters. 35, 9 B, p. L1173-L1176

Research output: Contribution to journalArticle

7 Citations (Scopus)

Pulse-Field Magnetization for Disc-Shaped MgB2 Bulk Magnets

Miyazaki, T., Fukui, S., Ogawa, J., Sato, T., Oka, T., Scheiter, J., Hasler, W., Kulawansha, E., Yuanding, Z. & Yokoyama, K., 2017 Jun 1, In : IEEE Transactions on Applied Superconductivity. 27, 4, 7782353.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Recent development in superconducting permanent magnets

Mizutani, U., Oka, T., Itoh, Y. & Ikuta, H., 1999 Dec, In : Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 46, 12, p. 1241-1248 8 p.

Research output: Contribution to journalArticle

Record-high trapped magnetic field by pulse field magnetization using GdBaCuO bulk superconductor

Fuhishiro, H., Kaneyama, M., Tateiwa, T. & Oka, T., 2005 Sep 30, In : Japanese Journal of Applied Physics, Part 2: Letters. 44, 37-41, p. L1221-L1224

Research output: Contribution to journalArticle

37 Citations (Scopus)

Reflective properties of Mo/Si multilayer for EUV lithography deposited by the magnetron sputtering device with superconducting bulk magnets

Yamaguchi, T., Ikuta, H., Tomofuji, T., Yanagi, Y., Itoh, Y., Oka, T. & Mizutani, U., 2008 Sep 15, In : Physica C: Superconductivity and its applications. 468, 15-20, p. 2170-2173 4 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Research and development of non-contact spin processor for clean process in semiconductor-related-production system by applying HTS magnetic levitation

Fukui, S., Kazama, K., Sekiya, S., Ogawa, J., Oka, T., Sato, T., Sorimachi, S., Saito, K. & Miyazaki, S., 2010 Jun 1, In : IEEE Transactions on Applied Superconductivity. 20, 3, p. 977-980 4 p., 5433322.

Research output: Contribution to journalArticle

3 Citations (Scopus)
16 Citations (Scopus)

Selective Magnetic Field Invasion into HTS Bulk Magnets in Pulse Field Magnetizing Processes

Oka, T., Hara, K., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K., Murakami, A. & Langer, M., 2016 Apr 1, In : IEEE Transactions on Applied Superconductivity. 26, 3, 7405303.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Strong magnetic field generator containing HTS bulk magnets and compact refrigerators

Oka, T., Hirayama, E., Kanai, T., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K. & Nakamura, T., 2014 Jan 1, In : IEEE Transactions on Applied Superconductivity. 24, 3, 6626624.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Study of flow fractionation characteristics of magnetic chromatography utilizing high-temperature superconducting bulk magnet

Fukui, S., Shoji, Y., Ogawa, J., Oka, T., Yamaguchi, M., Sato, T., Ooizumi, M., Imaizumi, H. & Ohara, T., 2009 Mar 1, In : Science and Technology of Advanced Materials. 10, 1, 014610.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Study on application of magnetic levitation utilizing HTS bulks to spin processors for photo mask production

Fukui, S., Sato, R., Ogawa, J., Oka, T., Yamaguchi, M., Sato, T., Miyazaki, S., Sasahara, T., Tamaki, T., Nishiwaki, S. & Yuki, Y., 2007 Oct 1, In : Physica C: Superconductivity and its applications. 463-465, SUPPL., p. 1289-1292 4 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Study on Magnetic Flux Dissipation and Field-Trapping Performance of HTS Bulk-Shaped Magnesium Diboride in Pulse-Field Magnetizing Processes

Oka, T., Takeda, A., Oki, H., Ogawa, J., Fukui, S., Scheiter, J., Häßler, W., Yokoyama, K., Yamanaka, K., Dadiel, L., Miryala, M., Sakai, N., Murakami, M. & Noudem, J., 2019 Aug, In : IEEE Transactions on Applied Superconductivity. 29, 5, 8678817.

Research output: Contribution to journalArticle

Study on magnetic separation system using high Tc superconducting bulk magnets for water purification technique

Oka, T., Kanayama, H., Tanaka, K., Fukui, S., Ogawa, J., Sato, T., Yamaguchi, M., Ooizumi, M., Yokoyama, K. & Noto, K., 2009 Jan 1, In : Journal of Physics: Conference Series. 156, 012031.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Study on optimal design of high temperature superconducting coil based on AC loss minimization

Fukui, S., Ohsugi, K., Nishijyo, T., Ogawa, J., Oka, T., Yamaguchi, M., Sato, T., Furuse, M., Takao, T. & Tsukamoto, O., 2008 Jun 1, In : IEEE Transactions on Applied Superconductivity. 18, 2, p. 1366-1369 4 p., 4510854.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Study on optimization design of superconducting magnet for magnetic force assisted drug delivery system

Fukui, S., Abe, R., Ogawa, J., Oka, T., Yamaguchi, M., Sato, T. & Imaizumi, H., 2007 Oct 1, In : Physica C: Superconductivity and its applications. 463-465, SUPPL., p. 1315-1318 4 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Study on performance improvements of a high-temperature superconducting coil with a lattice-shape cross section

Ishiguri, S., Oka, T., Fukui, S., Ogawa, J. & Sato, T., 2008 Jul 15, In : Physica C: Superconductivity and its applications. 468, 14, p. 1028-1031 4 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Study on the performance improvement of the high temperature superconducting coil with several separated coils at the edges

Ishiguri, S., Oka, T., Fukui, S., Ogawa, J. & Sato, T., 2008 Sep 15, In : Physica C: Superconductivity and its applications. 468, 15-20, p. 2152-2155 4 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Synthesis and magnetization of high-Tc bulk superconductors and their application as superconducting permanent magnets

Mizutani, U., Ikuta, H., Oka, T., Itoh, Y., Yanagi, Y. & Yoshikawa, M., 2001 Dec 1, In : International Journal of Applied Electromagnetics and Mechanics. 14, 1-4 SPEC., p. 57-63 7 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Synthesis of c-axis oriented single-domain Sm123 superconductors capable of trapping 9 Tesla at 25 K and its application to a strong magnetic field generator

Mizutani, U., Mase, A., Ikuta, H., Yanagi, Y., Yoshikawa, M., Itoh, Y. & Oka, T., 1999 Oct 29, In : Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 65, 1, p. 66-68 3 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Temperature measurement of RE123 bulk superconductors on magnetizing process

Yokoyama, K., Kaneyama, M., Oka, T., Fujishiro, H. & Noto, K., 2004 Oct 1, In : Physica C: Superconductivity and its applications. 412-414, SPEC. ISS., p. 688-694 7 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Temperature rise in an Sm-based bulk superconductor after applying iterative pulse fields

Fujishiro, H., Yokoyama, K., Oka, T. & Noto, K., 2004 Jan 1, In : Superconductor Science and Technology. 17, 1, p. 51-57 7 p.

Research output: Contribution to journalArticle

26 Citations (Scopus)

Temperature rise in melt-textured large grain superconducting bulk magnets during their magnetizing operations

Oka, T., Yokoyama, K., Fujishiro, H. & Noto, K., 2007 Sep 1, In : Physica C: Superconductivity and its applications. 460-462 II, SPEC. ISS., p. 748-749 2 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

The microstructure and superconducting properties of melt-processed YBCO samples containing RE-211 particles

Yanagi, Y., Itoh, Y., Yoshikawa, M., Oka, T., Sasaki, M., Yamada, Y. & Mizutani, U., 1994 Dec, In : Physica C: Superconductivity and its applications. 235-240, PART 1, p. 445-446 2 p.

Research output: Contribution to journalArticle

Thermal and magnetic behaviors of a melt-textured superconducting bulk magnet in the zero-field-cooling magnetizing process

Oka, T., Yokoyama, K., Fujishiro, H. & Noto, K., 2009 Aug 11, In : Superconductor Science and Technology. 22, 6, 065014.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Thermal behavior and field-trapping property of melt-textured superconducting bulk magnets activated by quasi-static magnetic fields

Oka, T., Yokoyama, K., Fujishiro, H. & Noto, K., 2009 Jan 1, In : Journal of Physics: Conference Series. 150, 5, 052195.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Time evolution and spatial distribution of temperature in YBCO bulk superconductor after pulse field magnetizing

Fujishiro, H., Oka, T., Yokoyama, K. & Noto, K., 2003 Jul 1, In : Superconductor Science and Technology. 16, 7, p. 809-814 6 p.

Research output: Contribution to journalArticle

34 Citations (Scopus)

Trapped field and temperature rise in rectangular-shaped HTSC bulk magnetized by pulse fields

Tateiwa, T., Sazuka, Y., Fujishiro, H., Hayashi, H., Nagafuchi, T. & Oka, T., 2007 Oct 1, In : Physica C: Superconductivity and its applications. 463-465, SUPPL., p. 398-401 4 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Trapped field over 4 tesla on GdBaCuO bulk by pulse field method and magnetizing mechanism

Fujishiro, H., Kaneyama, M., Tateiwa, T. & Oka, T., 2006 Jun 1, In : Journal of Physics: Conference Series. 43, 1, p. 405-408 4 p., 101.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Waste water purification by magnetic separation technique using HTS bulk magnet system

Oka, T., Kanayama, H., Tanaka, K., Fukui, S., Ogawa, J., Sato, T., Ooizumi, M., Terasawa, T., Itoh, Y. & Yabuno, R., 2009 Oct 15, In : Physica C: Superconductivity and its applications. 469, 15-20, p. 1849-1852 4 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)