Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369065 | Silicon nitride sintered body and process for producing the same | Masashi Yoshimura, Jin-Joo Matsui, Akira Yamakawa | 1994-11-29 |
| 5358797 | Adjusting shim | Kenji Matsunuma, Takao Nishioka, Akira Yamakawa | 1994-10-25 |
| 5346869 | Sintered silicon nitride bodies suitable for use as high impact materials | Takao Nishioka, Kenji Matsunuma, Akira Yamakawa, Masaya Miyake | 1994-09-13 |
| 5275772 | Silicon nitride sintered body and process for producing the same | Takao Nishioka, Kenji Matsunuma, Akira Yamakawa, Masaya Miyake | 1994-01-04 |
| 5275986 | Silicon nitride sintered body | Takao Nishioka, Tomoyuki Awazu, Akira Yamakawa | 1994-01-04 |