Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843038 | Black sintered body of aluminum nitride and process for producing the same | Shusei Kuratani, Kohichi Uno, Hisashi Sakuramoto, Satoshi Nishiyama | 1989-06-27 |
| 4833108 | Sintered body of aluminum nitride | Shusei Kuratani, Kohichi Uno, Hisashi Sakuramoto, Satoshi Nishiyama | 1989-05-23 |