Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465266 | Heat-resistant tungsten alloy, friction stir welding tool, and production method | Ayuri Tsuji, Shigekazu Yamazaki, Akihiko Ikegaya | 2019-11-05 |
| 8025710 | Tungsten alloy grains, processing method using the same, and method for manufacturing the same | Shinji Kikuhara, Hitoshi Inoue, Satoshi Umemoto | 2011-09-27 |
| 7012111 | High-specific-gravity EPDM composition, dynamic damper made from the composition, tennis racket with the dynamic damper, and radiation-shielding material comprising the composition | Yumi Kanemitsu, Toshiaki Sakaki, Tetsuo Mizoguchi, Toshihiko Takiguchi, Hitoshi Takii +2 more | 2006-03-14 |
| 6974923 | Electric contact and breaker using the same | Norihito Goma | 2005-12-13 |
| 6074268 | Space accessories | — | 2000-06-13 |
| 4710345 | Manufacturing method of super-heat-resisting alloy material | Yoshihiko Doi, Nobuhito Kuroishi, Shigeki Ochi | 1987-12-01 |