Issued Patents All Time
Showing 26–50 of 136 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765239 | Semiconductor device having junction-termination structure of resurf type | Michiaki Hiyoshi, Naoyuki Inoue, Tatsuo Harada | 2004-07-20 |
| D490397 | Digital audio disc player with radio, tape recorder and record player | Minoru Sube | 2004-05-25 |
| 6666432 | Idle speed control valve | Satoshi Ishigaki, Tetsuo Hariu | 2003-12-23 |
| D474170 | Digital audio disc player with radio tuner | Satoshi Sukeguchi | 2003-05-06 |
| D462671 | Video disc recorder | Katsuhiro Takashima | 2002-09-10 |
| D458242 | Digital audio disc player | Masafumi Ito | 2002-06-04 |
| 6392272 | Insulating gate type semiconductor device | — | 2002-05-21 |
| 6337498 | Semiconductor device having directionally balanced gates and manufacturing method | Hideo Matsuda, Yoshiro Baba, Masanobu Tsuchitani | 2002-01-08 |
| D450670 | Digital video disc player | Masafumi Ito, Tooru Katayama | 2001-11-20 |
| D448354 | Digital video disc player | Masafumi Ito, Tooru Katayama | 2001-09-25 |
| 6289922 | Flow control valve | Yuji Nakano, Hiroshi Takeyama, Yasuyoshi Yamada | 2001-09-18 |
| D445791 | Optical disc drive | Masafumi Ito, Hiroyuki Watanabe, Katsuhiro Takashima | 2001-07-31 |
| 6147368 | Voltage-driven power semiconductor device | Hironobu Kon, Yoshinoro Iwano, Mitsuhiko Kitagawa, Michiaki Hiyoshi | 2000-11-14 |
| D432081 | Digital-analog converter | Masafumi Ito, Katsuhiro Takashima | 2000-10-17 |
| D429705 | Video tape recorder | Masafumi Ito, Katsuhiro Takashima, Hitoshi Yoshida | 2000-08-22 |
| 6095490 | Flow control valve for reducing valve leakage | Yuji Nakano, Hiroshi Takeyama, Yasuyoshi Yamada | 2000-08-01 |
| D424053 | Recording and reproducing machine for telephone or radio communication equipment | Masafumi Ito, Katsuhiro Takashima | 2000-05-02 |
| D421754 | Speaker box | Masafumi Ito | 2000-03-21 |
| D419971 | Data recorder | Masafumi Ito | 2000-02-01 |
| D416018 | Combined optical disc recording and reproducing apparatus | Masafumi Ito, Yoshinori Fuse | 1999-11-02 |
| D415738 | Data recorder | Masafumi Ito, Katsuhiro Takashima | 1999-10-26 |
| D414768 | Tape recorder | Masafumi Ito | 1999-10-05 |
| 5960286 | Method of manufacturing power semiconductor devices | Yoshihiro Minami, Hiroshi Takenaka, Tsuneo Ogura, Shinji Sato | 1999-09-28 |
| D408409 | Optical disc player | Masafumi Ito, Katsuhiro Takashima | 1999-04-20 |
| D408408 | Digital audio disc player | Masafumi Ito, Keiji Tsunoda | 1999-04-20 |