Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5486708 | Light valve device using semiconductive composite substrate | Yoshikazu Kojima, Hiroaki Takasu, Nobuyoshi Matsuyama, Hitoshi Niwa, Tomoyuki Yoshino +1 more | 1996-01-23 |
| 5463238 | CMOS structure with parasitic channel prevention | Masaaki Kamiya, Yoshikazu Kojima, Hiroaki Takasu | 1995-10-31 |
| 5434433 | Semiconductor device for a light wave | Hiroaki Takasu, Yoshikazu Kojima, Tsuneo Yamazaki, Tadao Iwaki | 1995-07-18 |
| 5347154 | Light valve device using semiconductive composite substrate | Yoshikazu Kojima, Hiroaki Takasu, Nobuyoshi Matsuyama, Hitoshi Niwa, Tomoyuki Yoshino +1 more | 1994-09-13 |
| 5124272 | Method of producing field effect transistor | Naoto Saito, Kenji Aoki, Tadao Akamine, Yoshikazu Kojima, Masahiko Kinbara | 1992-06-23 |
| 4973355 | Sintered hard metals and the method for producing the same | Toshio Nomura, Takaharu Yamamoto | 1990-11-27 |
| 4771202 | Tuning fork resonator | — | 1988-09-13 |
| 4769070 | High toughness cermet and a process for the production of the same | Masaaki Tobioka, Yasuhiro Shimizu, Kazutaka Isobe, Nobuyuki Kitagawa, Toshio Nomura | 1988-09-06 |
| 4748315 | Molecular beam source | Kazumasa Fujioka, Naoyuki Tamura | 1988-05-31 |
| 4664062 | Apparatus for manufacturing semiconductors | Hideaki Kamohara, Kazumasa Fujioka, Toshiaki Kobari, Shinjiro Ueda | 1987-05-12 |
| 4540909 | Tuning fork type quartz crystal resonator with variable width base | Nobuyoshi Matsuyama | 1985-09-10 |
| 4501717 | Sintering method using a plasma gas atmosphere | Shinya Tsukamoto, Akira Doi | 1985-02-26 |
| 4498025 | Tuning fork | — | 1985-02-05 |
| 4306170 | AT-Cut quartz resonator, with w/t=2.0 to 2.8, l/t<25 | Shunichi Motte, Naoyuki Echigo, Shiro Yamashita, Tsuneo Kuwabara | 1981-12-15 |
| 4247797 | Rectangular AT-cut quartz resonator | Naoyuki Echigo, Shiro Yamashita, Tsuneo Kuwabara, Shunichi Motte | 1981-01-27 |