Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12273101 | Semiconductor device | Toru Sugiyama, Noriaki Yoshikawa, Akira Yoshioka, Hitoshi Kobayashi, Hung Hung +4 more | 2025-04-08 |
| 12142604 | Semiconductor device and semiconductor system including electro static discharge (ESD) protective device | Toshiki Seshita | 2024-11-12 |
| 12034415 | Semiconductor circuit | Toshiki Seshita | 2024-07-09 |
| 11336239 | High-frequency amplifier circuit | Toshiki Seshita | 2022-05-17 |
| 11095256 | Semiconductor device | Toshiki Seshita | 2021-08-17 |
| 10965256 | High-frequency amplifier circuitry and semiconductor device | Toshiki Seshita | 2021-03-30 |
| 10931246 | High-frequency amplifier circuitry and semiconductor device | Toshiki Seshita | 2021-02-23 |
| 10911007 | High-frequency amplifier circuitry and semiconductor device | Toshiki Seshita | 2021-02-02 |
| 10707823 | High-frequency amplifier circuitry and semiconductor device | Toshiki Seshita | 2020-07-07 |
| 10411658 | Semiconductor device | Toshiki Seshita | 2019-09-10 |
| 10256775 | Semiconductor device including an ESD protective element | Toshiki Seshita | 2019-04-09 |
| 10250193 | High-frequency semiconductor amplifier circuit | Toshiki Seshita | 2019-04-02 |
| 10153803 | Receiving circuit, wireless communication module, and wireless communication device | Mitsuru Sugawara, Toshiki Seshita | 2018-12-11 |
| 10122356 | Semiconductor switch | Yugo Kunishi, Yoshio Itagaki | 2018-11-06 |
| 10033332 | High-frequency semiconductor amplifier circuit | Toshiki Seshita | 2018-07-24 |
| 9954493 | High frequency semiconductor amplifier circuit | Toshiki Seshita | 2018-04-24 |
| 7595696 | Power amplifier | Masayuki Sugiura | 2009-09-29 |
| 7247921 | Semiconductor apparatus and method of manufacturing same, and method of detecting defects in semiconductor apparatus | Masayuki Sugiura, Toru Sugiyama, Yoshikazu Tanabe, Makoto Shibamiya | 2007-07-24 |
| 7088183 | Bias circuit | — | 2006-08-08 |
| 7084708 | High-frequency amplification device | Masayuki Sugiura, Makoto Shibamiya, Toru Sugiyama, Yoshikazu Tanabe | 2006-08-01 |
| 7038546 | High-power amplification circuit for amplifying a high frequency signal | — | 2006-05-02 |
| 7009453 | Bias current supply circuit and amplification circuit | — | 2006-03-07 |
| 6940157 | High frequency semiconductor module, high frequency semiconductor device and manufacturing method for the same | Toru Sugiyama, Kouhei Morizuka, Masayuki Sugiura, Yoshikazu Tanabe | 2005-09-06 |
| 6790694 | High frequency semiconductor module, high frequency semiconductor device and manufacturing method for the same | Toru Sugiyama, Kouhei Morizuka, Masayuki Sugiura, Yoshikazu Tanabe | 2004-09-14 |
| 6768381 | Semiconductor power amplifier and multistage monolithic integrated circuit | — | 2004-07-27 |