Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11715796 | High frequency transistor | Mitsutoshi Nakamura, Keita Masuda | 2023-08-01 |
| 10347655 | Semiconductor switch | Keita Masuda, Tooru Suga, Takahiro Nakagawa, Kazuhiko Shibata | 2019-07-09 |
| 9768268 | Semiconductor device | Takahiro Nakagawa | 2017-09-19 |
| 8674357 | Method for measuring impurity concentration profile, wafer used for same, and method for manufacturing semiconductor device using same | — | 2014-03-18 |
| 6936870 | Heterojunction type compound semiconductor field effect transistor and its manufacturing method | Masanori Ochi, Takao Noda, Yoshitomo Sagae, Kenji Hommyo | 2005-08-30 |
| 6134424 | High-frequency power amplifier and mobile communication device using same | Yoshiaki Kitaura, Mayumi Morizuka, Atsushi Kameyama, Masami Nagaoka, Hirotsugu Wakimoto +1 more | 2000-10-17 |
| 6114195 | Manufacturing method of compound semiconductor field effect transistor | Yoshiaki Kitaura, Naotaka Uchitomi | 2000-09-05 |
| 5929473 | MMIC semiconductor device with WN.sub.x capacitor electrode | Yoshiaki Kitaura, Yoshikazu Tanabe, Tomonori Aoyama, Kyoichi Suguro, Kumi Okuwada +2 more | 1999-07-27 |
| 5670808 | Metal oxide capacitor with a WN.sub.X electrode | Yoshiaki Kitaura, Yoshikazu Tanabe, Tomonori Aoyama, Kyoichi Suguro, Kumi Okuwada +2 more | 1997-09-23 |
| 5273937 | Metal semiconductor device and method for producing the same | Tomotoshi Inoue, Kenichi Tomita, Hitoshi Mikami, Masami Nagaoka, Naotaka Uchitomi | 1993-12-28 |