Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5063184 | Pressureless sintered body of boron nitride | Hagio Tsuyoshi, Kazuo Kobayashi, Ichitaro Ogawa, Hiroshi Harada, Hiroaki Yasunaga +1 more | 1991-11-05 |
| 4788168 | Method for producing carbon-ceramic composite material | Ichitaro Ogawa, Kazuo Kobayashi | 1988-11-29 |
| 4720349 | Sliding member of graphite-metal borides | Kazuo Kobayashi, Kenji Miyazaki, Tsuyoshi Hagio, Ichitaro Ogawa, Kazutsugu Kashima +3 more | 1988-01-19 |
| 4637884 | Sliding member of graphite-boron carbides | Kenji Miyazaki, Tsuyoshi Hagio, Ichitaro Ogawa, Kazuo Kobayashi, Kazutsugu Kashima +3 more | 1987-01-20 |
| 4607959 | Vaned stirrer for use in high temperature atmosphere | Kenji Miyazaki, Ichitaro Ogawa, Kazuo Kobayashi, Tsuyoshi Hagio, Hidetoshi Ueno +1 more | 1986-08-26 |
| 4518702 | Silicon carbide-boron carbide carbonaceous body | Ichitaro Ogawa, Tsuyoshi Hagio, Kazuo Kobayashi, Takayoshi Yamamoto | 1985-05-21 |