Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5461253 | Semiconductor substrate structure for producing two isolated circuits on a same substrate | Kazuhiro Tsuruta, Seizi Huzino, Tadashi Hattori, Masami Yamaoka | 1995-10-24 |
| 5313092 | Semiconductor power device having walls of an inverted mesa shape to improve power handling capability | Kazuhiro Tsuruta, Seiji Fujino, Masami Yamaoka | 1994-05-17 |
| 5204282 | Semiconductor circuit structure and method for making the same | Kazuhiro Tsuruta, Seizi Huzino, Tadashi Hattori, Masami Yamaoka | 1993-04-20 |
| 5164218 | Semiconductor device and a method for producing the same | Kazuhiro Tsuruta, Seiji Fujino, Masami Yamaoka | 1992-11-17 |
| 4992846 | Polycrystalline silicon active layer for good carrier mobility | Nobuyoshi Sakakibara, Seizi Huzino, Tadashi Hattori | 1991-02-12 |
| 4819037 | Semiconductor device | Nobuyoshi Sakakibara, Minoru Ohta, Tadashi Hattori, Takayuki Tominaga | 1989-04-04 |