Issued Patents All Time
Showing 26–50 of 151 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169795 | Method of manufacturing step cut type insulated gate SIT having low-resistance electrode | Nobuo Takeda | 1992-12-08 |
| 5065206 | Photoelectric converting device with accumulating gate region | Takashige Tamamushi, Hideo Maeda | 1991-11-12 |
| 5060029 | Step cut type insulated gate SIT having low-resistance electrode and method of manufacturing the same | Nobuo Takeda | 1991-10-22 |
| 5038188 | Insulated-gate type transistor and semiconductor integrated circuit using such transistor | Tadahiro Ohmi | 1991-08-06 |
| 5027180 | Double gate static induction thyristor | Hisao Kondoh | 1991-06-25 |
| 5021936 | PWM power converter using mixed bipolar and static induction transistors | Takashige Tamamushi, Koichi Mitamura, Hiroo Takahashi, Kiyoo Mitsui, Mitsuo Ikehara +2 more | 1991-06-04 |
| 5019876 | Semiconductor photo-electric converter | — | 1991-05-28 |
| 5017991 | Light quenchable thyristor device | Takashige Tamamushi, Ken Nonaka | 1991-05-21 |
| 5001535 | Static induction type thyristor | Tadahiro Ohmi | 1991-03-19 |
| 4994999 | High-speed and high-density semiconductor memory | — | 1991-02-19 |
| 4994872 | Insulated gate static induction transistor and integrated circuit including same | Tadahiro Ohmi | 1991-02-19 |
| 4985738 | Semiconductor switching device | Tadahiro Ohmi | 1991-01-15 |
| 4984049 | Static induction thyristor | Tadahiro Ohmi, Yoshinobu Ohtsubo | 1991-01-08 |
| 4968491 | Apparatus for performing epitaxial growth of ZNSE crystal from melt thereof | — | 1990-11-06 |
| 4956599 | Power control apparatus | Takashige Tamamushi, Koji Ishibashi, Kiyoshi Wagatsuma | 1990-09-11 |
| 4952996 | Static induction and punching-through photosensitive transistor devices | Takashige Tamamushi, Hideo Maeda | 1990-08-28 |
| 4939571 | Insulated-gate type transistor and semiconductor integrated circuit using such transistor | Tadahiro Ohmi | 1990-07-03 |
| 4935798 | Static induction type thyristor | Tadahiro Ohmi | 1990-06-19 |
| 4917757 | Method of performing solution growth of ZnSe crystals | — | 1990-04-17 |
| 4914043 | Method of making an integrated light-triggered and light-quenched static induction thyristor | Takashige Tamamushi, Ken Nonaka | 1990-04-03 |
| 4909998 | Apparatus for performing solution growth of group II-VI compound semiconductor crystal | — | 1990-03-20 |
| 4903938 | Micro flow control valve | Shinzo Kasai, Tetsuo Okada, Mitsuhiko Dohzono | 1990-02-27 |
| 4891682 | Solid state image pick-up device having a number of static induction transistor image sensors | Atsushi Yusa, Hidetoshi Yamada, Takashi Mizusaki, Takashige Tamamushi | 1990-01-02 |
| 4876580 | Tunnel injection controlling type semiconductor device controlled by static induction effect | — | 1989-10-24 |
| 4872044 | Static induction type thyristor | Tadahiro Ohmi | 1989-10-03 |