Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4307147 | Highly thermal conductive and electrical insulating substrate | Toshiaki Sakaida, Mitsuru Hasegawa, Iwao Hiramatsu | 1981-12-22 |
| 4193768 | Method for preparing corundum particles | Toshiaki Sakaida, Mitsuru Hasegawa | 1980-03-18 |