Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7813391 | Method of controlling semiconductor laser | Hirokazu Tanaka, Toyotoshi Machida | 2010-10-12 |
| 7656927 | Optical semiconductor element and optical semiconductor device | Takuya Fujii | 2010-02-02 |
| 7515779 | Optical semiconductor device | — | 2009-04-07 |
| 7474684 | Optical semiconductor element and optical semiconductor device | Takuya Fujii | 2009-01-06 |
| 7362782 | Optical semiconductor device and controlling method of the same | Takuya Fujii | 2008-04-22 |
| 7196347 | Semiconductor light emitting device | — | 2007-03-27 |
| 6925103 | Gain-coupled DFB laser diode | Hirohiko Kobayashi, Norihiko Sekine, Hajime Shoij | 2005-08-02 |
| 6850550 | Complex coupling MQW semiconductor laser | Hirohiko Kobayashi, Hajime Shoji | 2005-02-01 |
| 6771112 | Semiconductor integrated circuit having pads with less input signal attenuation | Hiroshi Kojima | 2004-08-03 |
| 6606174 | Optical semiconductor device | Satoru Sekiguchi, Hiroshi Kobori, Kiyokazu Kamado, Hideo Kunio, Isao Ochiai +2 more | 2003-08-12 |
| 6560266 | Distributed feedback semiconductor laser | Hajime Shoji, Hirohiko Kobayashi | 2003-05-06 |
| 6426515 | Semiconductor light-emitting device | Hirohiko Kobayashi, Tsuyoshi Yamamoto, Hajime Shoji | 2002-07-30 |
| 6252252 | Optical semiconductor device and optical semiconductor module equipped with the same | Hideo Kunii, Toshiyuki Take, Hiroshi Inoguchi, Masashi Arai, Hiroshi Kobori +3 more | 2001-06-26 |
| 5850868 | Casting method with improved resin core removal step | Yuji Okada, Masamichi Okada, Takumi Yamamoto, Tatsuhiko Sawamura, Norio Hayashi +1 more | 1998-12-22 |
| RE35960 | Method and apparatus for automatically assembling side gears, pinions and pinion shaft within differential case | Manabu Ichiki, Masatoshi Kanazawa | 1998-11-17 |
| 5777955 | Signal processing circuit for an optical disk player including data decoding based on a regenerated bit clock | Osamu Ikeda, Naobumi Nagasawa, Akira Tsukihashi | 1998-07-07 |
| 5576709 | Delay circuit using a digital memory | Masato Onaya | 1996-11-19 |
| 5400506 | Method and apparatus for automatically assembling side gears, pinions and pinion shaft within differential case | Manabu Ichiki, Masatoshi Kanazawa | 1995-03-28 |
| 5165099 | Balance control circuit | Masato Onaya, Susumu Yamada | 1992-11-17 |
| 5136649 | FM stereophonic receiver | — | 1992-08-04 |
| 5077797 | FM stereo receiver | — | 1991-12-31 |
| 4987380 | Gain controlled amplifier circuit | — | 1991-01-22 |
| 4983858 | Level determining circuit generating output signal at first or second output terminal according to level of input signal | — | 1991-01-08 |
| 4980915 | Center mode control circuit | — | 1990-12-25 |
| 4953021 | Demodulator circuit for television multi-channel | Akira Kabashima, Hideo Imaizumi | 1990-08-28 |