Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6197127 | Cryogenic refrigerant and refrigerator using the same | Masami Okamura | 2001-03-06 |
| 6042657 | Regenerator material for extremely low temperatures and regenerator for extremely low temperatures using the same | Masami Okamura | 2000-03-28 |
| 5660917 | Thermal conductivity sheet | Yoshinori Fujimori, Jun Momma, Tomiya Sasaki, Hideo Iwasaki, Toshiya Sakamoto +6 more | 1997-08-26 |
| 5449416 | Cold accumulating material and method of manufacturing the same | Tomohisa Arai, Masashi Sahashi, Yoichi Tokai | 1995-09-12 |
| 5219678 | Nickel-metal hydride secondary cell, and method of manufacturing the same, hydrogen absorbing alloy particles for cell, method of manufacturing the same | Hiroyuki Hasebe, Tomohisa Arai | 1993-06-15 |
| 5186765 | Cold accumulating material and method of manufacturing the same | Tomohisa Arai, Masashi Sahashi, Yoichi Tokai | 1993-02-16 |
| 4827235 | Magnetic field generator useful for a magnetic resonance imaging instrument | Koichiro Inomata, Tetsuhiko Mizoguchi, Hideki Yamamiya, Isao Sakai | 1989-05-02 |
| 4734131 | Permanent-magnetic material | Tomohisa Arai, Seiki Sato, Nobuo Uchida | 1988-03-29 |
| 4578125 | Permanent magnet | Masashi Sahashi, Koichiro Inomata, Hideki Yamamiya | 1986-03-25 |