Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8193091 | Resin encapsulated semiconductor device and method for manufacturing the same | Fumihiko Kawai, Toshiyuki Fukuda, Masanori Minamio, Noboru Takeuchi, Shuichi Ogata +1 more | 2012-06-05 |
| 7636004 | High-frequency switching device and semiconductor | Katsushi Tara, Shinji Fukumoto | 2009-12-22 |
| 7541860 | Current control circuit used for voltage booster circuit | Eiji Yasuda | 2009-06-02 |
| 7492238 | Radio-frequency switching circuit and semiconductor device | Atsushi Suwa, Motoo Nakagawa, Masakazu Adachi | 2009-02-17 |
| 7423499 | High-frequency switching apparatus | Masakazu Adachi | 2008-09-09 |
| 7391282 | Radio-frequency switch circuit and semiconductor device | Masashi Miyagi | 2008-06-24 |
| 7337547 | High frequency switching circuit device | Eiji Yasuda, Kenichi Hidaka, Yasuyuki Masumoto, Atsushi Watanabe, Katsushi Tara | 2008-03-04 |
| 7286001 | High-frequency switching device and semiconductor device | Katsushi Tara, Shinji Fukumoto | 2007-10-23 |
| 7265604 | High-frequency switch circuit arrangement | Eiji Yasuda | 2007-09-04 |
| 7221207 | Semiconductor switching circuit for switching the paths of a high frequency signal in a mobile communications unit | Shinji Fukumoto, Katsushi Tara, Tomohiko Nakamura | 2007-05-22 |
| 7199635 | High-frequency switching device and semiconductor | Katsushi Tara, Shinji Fukumoto | 2007-04-03 |
| 7173471 | High frequency switching circuit and semiconductor device | Atsushi Suwa, Katsushi Tara | 2007-02-06 |
| 7161197 | RF switching circuit for use in mobile communication systems | Shinji Fukumoto | 2007-01-09 |
| 7138846 | Field effect transistor switch circuit | Atsushi Suwa, Tadashi Komatsu, Katsushi Tara | 2006-11-21 |
| 7106121 | High frequency switch circuit | Kenichi Hidaka, Katsushi Tara | 2006-09-12 |
| 7020453 | High-frequency switch circuit and mobile telecommunications terminal device using the same | Kenichi Hidaka, Atsushi Suwa | 2006-03-28 |
| 7012285 | Semiconductor device | Toshiharu Tambo, Takahiro Kitazawa, Akiyoshi Tamura, Katsuyoshi Tara | 2006-03-14 |
| 6653697 | High frequency switch circuit and communications terminal using the same | Kenichi Hidaka, Katsushi Tara | 2003-11-25 |
| 5925903 | Field-effect transistors and method of manufacturing the same | Junko Iwanaga, Yorito Ota, Hiroyuki Masato, Katsuhiko Kawashima | 1999-07-20 |
| 5752182 | Hybrid IC | Junji Itoh, Shinji Yamamoto, Mitsuru Nishitsuji | 1998-05-12 |
| 5689207 | Front-end circuit | Jyunji Itoh | 1997-11-18 |
| 5514883 | Field effect transistor | Kaoru Inoue, Hiromasa Fujimoto, Hideki Yagita | 1996-05-07 |
| 5461265 | High-frequency variable impedance circuit having improved linearity of operating characteristics | Taketo Kunihisa | 1995-10-24 |
| 5339458 | Frequency converter unit for use in a high-frequency receiver | Hideki Yagita | 1994-08-16 |
| 5319318 | Gain control circuit and semiconductor device | Taketo Kunihisa, Yukio Sakai, Kazuhiro Yahata, Hideki Yagita | 1994-06-07 |