Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689130 | Vertical semiconductor device with ground surface providing a reduced ON resistance | Yoshifumi Okabe, Masami Yamaoka | 1997-11-18 |
| 5663096 | Method of manufacturing a vertical semiconductor device with ground surface providing a reduced ON resistance | Yoshifumi Okabe, Masami Yamaoka | 1997-09-02 |
| 5654560 | Semiconductor device with current detecting function and method of producing the same | Toshiaki Nishizawa, Tsuyoshi Yamamoto, Norihito Tokura | 1997-08-05 |
| 5592004 | Silicon nitride film having a short absorption wavelength and surrounding crystal-like grain boundaries | Muneo Tamura, Takeshi Yamauchi, Katuhide Niwa, Takeshi Fukazawa, Tooru Yamaoka | 1997-01-07 |