Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5541426 | Semiconductor device with surface-inactivated layer | Masaaki Abe | 1996-07-30 |
| 5528348 | Damping device for rotating members | Tadashi Miwa, Toru Makino | 1996-06-18 |
| 5440377 | Apparatus for controlling speed of a developing roller as it engages a photoreceptor | Tadashi Izawa, Masaaki Ikeda | 1995-08-08 |
| 5357231 | Photoreceptor for a copier having suppressed fluctuation component | Tadashi Miwa, Toru Makino | 1994-10-18 |
| 5017991 | Light quenchable thyristor device | Jun-ichi Nishizawa, Takashige Tamamushi | 1991-05-21 |
| 4914043 | Method of making an integrated light-triggered and light-quenched static induction thyristor | Jun-ichi Nishizawa, Takashige Tamamushi | 1990-04-03 |
| 4866500 | Integrated light-triggered and light-quenched static induction thyristor and making method thereof | Jun-ichi Nishizawa, Takashige Tamamushi | 1989-09-12 |