Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682044 | Reverse conducting thyristor with a planar-gate, buried-gate, or recessed-gate structure | Takashige Tamamushi, Yoshiaki Ikeda, Keun Sam Lee, Naohiro Shimizu, Masashi Yura +1 more | 1997-10-28 |
| 5665987 | Insulated gate static induction thyristor with a split gate type shorted cathode structure | Yoshinobu Ohtsubo, Toshio Higuchi, Makoto Iguchi, Takashige Tamamushi | 1997-09-09 |