Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8326244 | Power amplifier, and method of controlling power amplifier | Kenichi Maruhashi, Masahiro Tanomura | 2012-12-04 |
| 7924799 | Radio communication device | Kenichi Maruhashi | 2011-04-12 |
| 7863648 | Field effect transistor | Hironobu Miyamoto, Yuji Ando, Yasuhiro Okamoto, Tatsuo Nakayama, Takashi Inoue +6 more | 2011-01-04 |
| 7800131 | Field effect transistor | Hironobu Miyamoto, Yuji Ando, Yasuhiro Okamoto, Tatsuo Nakayama, Takashi Inoue +6 more | 2010-09-21 |
| 7038244 | Semiconductor device and method of manufacturing the same | Takashi Ishigaki, Takaki Niwa, Naoto Kurosawa | 2006-05-02 |
| 6924201 | Heterojunction bipolar transistor and method of producing the same | Masahiro Tanomura, Yosuke Miyoshi, Fumio Harima | 2005-08-02 |
| 6881988 | Heterojunction bipolar transistor and semiconductor integrated circuit device using the same | Takaki Niwa, Koji Azuma, Naoto Kurosawa | 2005-04-19 |
| 6661038 | Semiconductor device and method of producing the same | Kouji Azuma, Yousuke Miyoshi, Fumio Harima, Masahiro Tanomura | 2003-12-09 |
| 6525388 | Compound semiconductor device having diode connected between emitter and collector of bipolar transistor | — | 2003-02-25 |
| 5903018 | Bipolar transistor including a compound semiconductor | — | 1999-05-11 |
| 5321302 | Heterojunction bipolar transistor having base structure for improving both cut-off frequency and maximum oscillation frequency | — | 1994-06-14 |
| 5296389 | Method of fabricating a heterojunction bipolar transistor | — | 1994-03-22 |
| 5160994 | Heterojunction bipolar transistor with improved base layer | — | 1992-11-03 |
| 4902643 | Method of selective epitaxial growth for compound semiconductors | — | 1990-02-20 |