Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12224723 | High frequency power amplification device | Kazuhiko Ohhashi | 2025-02-11 |
| 12183817 | Monolithic semiconductor device and hybrid semiconductor device | Kaname Motoyoshi | 2024-12-31 |
| 12088257 | High-frequency amplifier | Masahiro Maeda, Shingo Matsuda | 2024-09-10 |
| 11942911 | Radio-frequency power amplifier device | Kazuhiko Ohhashi | 2024-03-26 |
| 11362011 | Power amplification device | Kazuhiko Ohhashi, Kouki Yamamoto | 2022-06-14 |
| 11195904 | High-frequency transistor | Kouki Yamamoto, Shingo Matsuda, Hiroshi Sugiyama, Kaname Motoyoshi, Masao Nakayama | 2021-12-07 |
| 10862440 | High-frequency amplifier | Shingo Matsuda, Kouki Yamamoto | 2020-12-08 |
| 10756165 | High-frequency transistor | Kouki Yamamoto, Shingo Matsuda, Hiroshi Sugiyama, Kaname Motoyoshi, Masao Nakayama | 2020-08-25 |
| 9374039 | Power amplifier | Kazuya Wakita, Shingo Enomoto, Masato Seki | 2016-06-21 |
| 8710927 | High-frequency power amplifier | Masahiro Maeda, Katsuhiko Kawashima, Hiroshi Sugiyama | 2014-04-29 |
| 8368459 | Constant-voltage circuit | Masato Seki, Hiroshi Komori, Masahiro Maeda | 2013-02-05 |
| 8279010 | Radio frequency power amplifier | Masato Seki, Katsuhiko Kawashima, Masahiro Maeda | 2012-10-02 |
| 7554410 | Power amplifier | Katsuhiko Kawashima, Masahiro Maeda | 2009-06-30 |
| 7541874 | High-frequency power amplifier device | Masahiro Maeda, Katsuhiko Kawashima | 2009-06-02 |
| 5969444 | Stepping motor and taking lens barrel for camera incorporating said stepping motor | — | 1999-10-19 |
| RE34453 | Photographic camera | Manabu Inoue, Motohiro Nakanishi, Hiroshi Ootsuka, Yoshinobu Kudo, Yoshiaki Hata | 1993-11-23 |
| 5237363 | Camera system with lens movable in vertical direction to optical axis of photo-taking lens | Takashi Okada, Hiromu Mukai, Hideo Kajita, Katsumi Kosakai, Hiroshi Ootsuka | 1993-08-17 |
| 5099263 | Variable focal length camera | Toshiaki Matsumoto, Takeo Hoda, Yoshiaki Hata, Norihiro Inoue | 1992-03-24 |
| 5099112 | Detector position adjusting mechanism for rangefinder automatic focusing system | Motohiro Nakanishi, Tetsuya Mizuguchi | 1992-03-24 |
| 4999658 | Viewfinder of the real image type | Toshihiro Fujiwara | 1991-03-12 |
| 4806961 | Photographic camera | Manabu Inoue, Motohiro Nakanishi, Hiroshi Ootsuka, Yoshinobu Kudo, Yoshiaki Hata | 1989-02-21 |
| 4771303 | Variable focal length camera | Toshiaki Matsumoto, Takeo Hoda, Yoshiaki Hata, Norihiro Inoue | 1988-09-13 |