Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10480060 | Oxide sintered body and method for manufacturing the same, sputtering target, and semiconductor device | Miki Miyanaga, Kenichi Watatani | 2019-11-19 |
| 10087517 | Oxide sintered body and semiconductor device | Miki Miyanaga, Kenichi Watatani, Hideaki Awata, Kenichi Kurisu | 2018-10-02 |
| 9957604 | Oxide sintered body and method for manufacturing the same, sputtering target, and semiconductor device | Miki Miyanaga, Kenichi Watatani | 2018-05-01 |
| 6402488 | Oil pump | Kenichi Watanabe, Keizo Harada, Toshiyuki Kosuge | 2002-06-11 |
| 5904993 | Joint body of aluminum and silicon nitride and method of preparing the same | Hisao Takeuchi, Takao Nishioka, Takashi Matsuura, Akira Yamakawa | 1999-05-18 |
| 5399536 | Silicon nitride sintered body | Akira Yamakawa | 1995-03-21 |
| 5356842 | Composite ceramic powder and production process thereof | Akira Yamakawa | 1994-10-18 |
| 5293509 | Sintered body of aluminum nitride | Akira Yamakawa, Masaya Miyake, Hitoyuki Sakanoue | 1994-03-08 |
| 5264388 | Sintered body of aluminum nitride | Akira Yamakawa, Masaya Miyake, Hitoyuki Sakanoue | 1993-11-23 |
| 5219803 | Sintered body of aluminum nitride | Akira Yamakawa, Masaya Miyake, Hitoyuki Sakanoue | 1993-06-15 |
| 5214005 | Glass-aluminum nitride composite material | Akira Yamakawa | 1993-05-25 |
| 5173458 | Silicon nitride sintered body and process for producing the same | Takao Nishioka, Kenji Matsunuma, Tomoyuki Awatsu, Masaya Miyake, Takehisa Yamamoto +1 more | 1992-12-22 |
| 5085923 | Heat-conductive aluminum nitride sintered body and method of manufacturing the same | Akira Yamakawa, Masaya Miyake, Hitoyuki Sakanoue, Hisao Takeuchi, Akira Sasame | 1992-02-04 |
| 5034357 | Heat-conductive aluminum nitride sintered body and method of manufacturing the same | Akira Yamakawa, Masaya Miyake, Hitoyuki Sakanoue, Hisao Takeuchi, Akira Sasame | 1991-07-23 |