Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755483 | Method for producing semiconductor device with p-type amorphous silicon carbide semiconductor film formed by photo-chemical vapor deposition | Hisao Haku, Tsugufumi Matsuoka, Kaneo Watanabe | 1988-07-05 |
| 4719123 | Method for fabricating periodically multilayered film | Hisao Haku, Kaneo Watanabe, Tsugufumi Matsuoka | 1988-01-12 |
| 4705912 | Photovoltaic device | Hisao Haku, Kaneo Watanabe, Tsugufumi Matsuoka | 1987-11-10 |