Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872758 | Film thickness-measuring apparatus | Yoshiro Yamada, Isamu Komine | 1989-10-10 |
| 4860086 | Semiconductor device | Tohru Nakamura, Masahiko Ogirima, Kazuo Nakazato, Naoki Yamamoto, Minoru Nagata +1 more | 1989-08-22 |
| 4850711 | Film thickness-measuring apparatus using linearly polarized light | Kazuo Sano, Yoshiro Yamada | 1989-07-25 |
| 4835581 | Electron gas hole gas tunneling transistor device | Takao Kuroda, Akiyoshi Watanabe, Hiroyoshi Matsumura | 1989-05-30 |
| 4825281 | Bipolar transistor with sidewall bare contact structure | Kazuo Nakazato, Tohru Nakamura, Masatoshi Matsuda, Tokuo Kure, Takahiro Okabe +1 more | 1989-04-25 |
| 4819055 | Semiconductor device having a PN junction formed on an insulator film | Kazuo Nakazato, Tohru Nakamura, Nobuyoshi Natsuaki, Masahiko Ogirima, Minoru Nagata | 1989-04-04 |
| 4814838 | Semiconductor device and method of manufacturing the same | Takao Kuroda, Akiyoshi Watanabe, Hiroyoshi Matsumura | 1989-03-21 |