Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12166103 | Semiconductor device for power amplification | Katsuhiko Kawashima, Yusuke Kanda | 2024-12-10 |
| 11876120 | Semiconductor device and method of manufacturing semiconductor device | Yusuke Kanda | 2024-01-16 |
| 11257942 | Resistive element and power amplifier circuit | Yoshiaki Katou, Akihiko Nishio, Kaname Motoyoshi | 2022-02-22 |
| 10403451 | Pushbutton switch member | Masayuki Ito, Satoru Kitazawa, Kazunobu Yokoyama, Tadashi Hayashi | 2019-09-03 |
| 10373775 | Pushbutton switch member | Masayuki Ito, Satoru Kitazawa, Kazunobu Yokoyama, Tadashi Hayashi | 2019-08-06 |
| 8017975 | Semiconductor device | Keiichi Murayama, Akiyoshi Tamura, Hirotaka Miyamoto | 2011-09-13 |
| 7989845 | Semiconductor device having a hetero-junction bipolar transistor and manufacturing method thereof | Keiichi Murayama, Akiyoshi Tamura, Hirotaka Miyamoto | 2011-08-02 |
| 7728357 | Heterojunction bipolar transistor and manufacturing method thereof | Keiichi Murayama, Akiyoshi Tamura, Hirotaka Miyamoto | 2010-06-01 |
| 7449729 | Heterojunction bipolar transistor and method for fabricating the same | Keiichi Murayama, Hirotaka Miyamoto | 2008-11-11 |
| 7001820 | Heterojunction bipolar transistor and method for fabricating the same | Akiyoshi Tamura, Keiichi Murayama | 2006-02-21 |
| 5881866 | Push button switch covering assembly including dome contact | Hirohide Sato | 1999-03-16 |