Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424980 | Doherty amplifier | — | 2025-09-23 |
| 12301179 | High frequency amplifier | — | 2025-05-13 |
| 11979117 | High frequency semiconductor amplifier | — | 2024-05-07 |
| 11496102 | Amplifier | Kenji Harauchi, Miyo Miyashita, Kazuya Yamamoto | 2022-11-08 |
| 11296662 | High-frequency power amplifier | — | 2022-04-05 |
| 11164828 | Amplifier | Kei FUKUNAGA, Shinichi Miwa | 2021-11-02 |
| 10985119 | Semiconductor device | — | 2021-04-20 |
| 9906217 | FET gate stabilizing circuit | Shohei IMAI, Kazuya Yamamoto, Shinichi Miwa | 2018-02-27 |
| 9640530 | Semiconductor device | — | 2017-05-02 |
| 9627300 | Amplifier package with multiple drain bonding wires | Naoki Kosaka, Shohei IMAI, Atsushi Okamura, Shinichi Miwa, Kenichiro Chomei +1 more | 2017-04-18 |
| 9257947 | Semiconductor device | Kenichi Horiguchi, Masakazu Hirobe, Satoshi Miho, Kazuya Yamamoto | 2016-02-09 |
| 9077291 | Power amplifier | — | 2015-07-07 |
| 9077292 | Power amplifier | Takao Haruna | 2015-07-07 |
| 8907454 | Transistor with heat sink joined to only part of one electrode | Hitoshi Kurusu | 2014-12-09 |
| 8704600 | Power amplifier | — | 2014-04-22 |
| 8587373 | Power amplifier | Kazuya Yamamoto | 2013-11-19 |
| 7636017 | High-frequency power amplifier | — | 2009-12-22 |
| 7030698 | High-frequency power amplifier | Seiki Goto | 2006-04-18 |
| 6842880 | Semiconductor integrated circuit designing method and semiconductor device | — | 2005-01-11 |
| 6778036 | High-frequency circuit device having isolator ports each having two terminals | — | 2004-08-17 |
| 6603343 | Phase correction circuit for transistor using high-frequency signal | Mamiko Yamaguchi | 2003-08-05 |
| 6300840 | Microwave/millimeter-wave integrated circuit | Takuo Kashiwa, Naoki Tanahashi | 2001-10-09 |
| 6275121 | Microwave circuit for phase shifting having voltage transforming means to control switching | Yasuharu Nakajima, Takaya Maruyama | 2001-08-14 |
| 6104240 | Microwave circuit and method of manufacturing microwave circuit | Sinichi Fujimoto | 2000-08-15 |
| 5905654 | Method and device for designing layout of milliwave or microwave integrated circuit | Noriyuki Tanino | 1999-05-18 |