Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12334787 | Stator for rotary electric machine | Yoichi Miyoshi | 2025-06-17 |
| 9219415 | Switching power supply circuit | — | 2015-12-22 |
| 8415938 | Switching regulator | Ibuki Mori, Yoshihisa Yamada, Masashi Kono, Haruo Kobayashi | 2013-04-09 |
| 7973457 | Crystal Unit | — | 2011-07-05 |
| 7965594 | Optical pickup and optical disc apparatus | Toshiteru Nakamura, Shigeharu Kimura, Kunikazu Ohnishi | 2011-06-21 |
| 7928981 | Signal generator display interface for instinctive operation of editing waveform parameters | Susan C. Adam, Hiroshi Komatsu, Kazumasa Ito, Takayuki Hayase, Toru Takai | 2011-04-19 |
| 7400568 | Optical device, optical pickup and optical disk apparatus | Seiichi Katou, Katsuhiko Kimura, Teruhisa Akashi, Kazuyuki Fukuda, Ryoji Okada +2 more | 2008-07-15 |
| 6629342 | Method for producing an AT-cut resonator | Yoshiaki Tanaka, Mitsuhiro Nishida, Hiroyuki Kobayashi | 2003-10-07 |
| 6388976 | Compact optical head including two light emitters having parallel optical axes | Shinji Fujita, Hidenori Shinohara, Nobuo Imada, Yukio Fukui | 2002-05-14 |
| 6114801 | At-cut crystal resonator | Yoshiaki Tanaka, Mitsuhiro Nishida, Hiroyuki Kobayashi | 2000-09-05 |
| 6069862 | Compact optical head including two light emitters having parallel optical axes | Shinji Fujita, Hidenori Shinohara, Nobuo Imada, Yukio Fukui | 2000-05-30 |
| 5933407 | Structure for supporting optical pickup | Masayoshi Watanabe, Hiroshi Ogasawara, Shozo Saegusa | 1999-08-03 |
| 5872761 | Optical disk apparatus and optical head thereof | Yasuyuki Sugi, Nobuo Imada, Hidenori Shinohara, Yukio Fukui | 1999-02-16 |
| 5699341 | Optical disk apparatus and optical head thereof | Yasuyuki Sugi, Nobuo Imada, Hidenori Shinohara, Yukio Fukui | 1997-12-16 |
| 5615204 | Structure for supporting optical pickup | Masayoshi Watanabe, Hiroshi Ogasawara, Shozo Saegusa | 1997-03-25 |
| 4779255 | Optical reading/reproducing apparatus | Hideo Suenaga | 1988-10-18 |
| 4744069 | Optical disc apparatus with access system having object lens control | Hideo Suenaga | 1988-05-10 |
| 4547871 | Two dimensional actuator for moving optical medium of scanning device | Yoshio Yamane | 1985-10-15 |
| 4532619 | Method and apparatus for reducing semiconductor laser optical noise | Hideo Suenaga | 1985-07-30 |
| 4525823 | Optical tracking system | Hideo Suenaga, Yukio Fukui | 1985-06-25 |
| 4411500 | Optical system for reproducing information | Seiji Yonezawa | 1983-10-25 |
| 4352981 | Photoelectric focus and tracking apparatus | Takeshi Maeda | 1982-10-05 |
| 4333173 | Optical information processor with prismatic correction of laser beam shape | Seiji Yonezawa, Masahiro Ojima | 1982-06-01 |
| 4242608 | Motor using Hall effect elements | Yasuhiro Ishigaki | 1980-12-30 |