Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8183700 | Semiconductor device having alignment mark and its manufacturing method | Mutsuo Nishikawa | 2012-05-22 |
| 4997798 | Process for producing aluminum nitride sintered body with high thermal conductivity | Akiyasu Okuno, Masakazu Watanabe | 1991-03-05 |
| 4961987 | Aluminum nitride sintered body with high thermal conductivity and process for producing same | Akiyasu Okuno, Masakazu Watanabe | 1990-10-09 |
| 4877760 | Aluminum nitride sintered body with high thermal conductivity and process for producing same | Akiyasu Okuno, Masakazu Watanabe | 1989-10-31 |
| 4800137 | Composite layer aluminum nitride base sintered body | Akiyasu Okuno, Masakazu Watanabe | 1989-01-24 |
| 4695517 | Composite layer aluminum nitride base sintered body | Akiyasu Okuno, Masakazu Watanabe | 1987-09-22 |