Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652157 | Forming a gate electrode on a semiconductor substrate by using a T-shaped dummy gate | Makoto Hirano, Yuhki Imai, Masami Tokumitsu, Tsuneo Tokumitsu, Ichihiko Toyoda | 1997-07-29 |
| 5639686 | Method of fabricating circuit elements on an insulating substrate | Makoto Hirano, Yuhki Imai, Masami Tokumitsu, Tsuneo Tokumitsu, Ichihiko Toyoda | 1997-06-17 |
| 5550068 | Process of fabricating a circuit element for transmitting microwave signals | Makoto Hirano, Yuhki Imai, Masami Tokumitsu, Tsuneo Tokumitsu, Ichihiko Toyoda | 1996-08-27 |
| 5406098 | Semiconductor circuit device and method for production thereof | Fumiaki Hyuga, Kenji Shiojima, Tatsuo Aoki, Masami Tokumitsu, Kazumi Nishimura +1 more | 1995-04-11 |
| 5369043 | Semiconductor circuit device and method for production thereof | Fumiaki Hyuga, Kenji Shiojima, Tatsuo Aoki, Masami Tokumitsu, Kazumi Nishimura +1 more | 1994-11-29 |
| 5281769 | Dewall plating technique | Makoto Hirano, Yuhki Imai, Masami Tokumitsu, Tsuneo Tokumitsu, Ichihiko Toyoda | 1994-01-25 |
| 4463366 | Field effect transistor with combination Schottky-junction gate | Yasunobu Ishii, Katsuhiko Kurumada | 1984-07-31 |
| 4331967 | Field effects semiconductor devices | Katsuhiko Kurumada, Yasunobu Ishii | 1982-05-25 |
| 4327475 | Method of manufacturing a FET device disposed in a compound s/c layer on a semi-insulating substrate | Yasunobu Ishii, Katsuhiko Kurumada | 1982-05-04 |