Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7729209 | Recording and playback apparatus using harddrive for ripping digital audio data | — | 2010-06-01 |
| 7657335 | Digital audio signal reproducing apparatus | Toshifumi Oba | 2010-02-02 |
| 7656755 | Method and apparatus for recording digital audio to compact disc from a mass storage device | — | 2010-02-02 |
| 7575773 | Optical compensatory sheet producing method and apparatus, thermal treating method and apparatus, and dust removing method and apparatus | Seiji Ishizuka, Munehiro Ura, Kenji Nakajima, Kazuhiko Fujiwara, Naoyuki Kawanishi | 2009-08-18 |
| 7515978 | Digital-audio-signal recording apparatus | — | 2009-04-07 |
| 7435910 | Multilayer printed circuit board | Hajime Sakamoto, Dongdong Wang, Takashi Kariya | 2008-10-14 |
| 7415842 | Optical glass element and manufacturing method thereof | Tadafumi Sakata | 2008-08-26 |
| 7142795 | Process unit | — | 2006-11-28 |
| 7092331 | Reproduction of audio data from recording medium | Kazunobu Fujiwara, Sadayuki Narusawa | 2006-08-15 |
| 7061837 | Digital-audio-signal recording apparatus | — | 2006-06-13 |
| 6909054 | Multilayer printed wiring board and method for producing multilayer printed wiring board | Hajime Sakamoto, Dongdong Wang, Takashi Kariya | 2005-06-21 |
| 6812982 | Optical compensatory sheet producing method and apparatus, thermal treating method and apparatus, and dust removing method and apparatus | Seiji Ishizuka, Munehiro Ura, Kenji Nakajima, Kazuhiko Fujiwara, Naoyuki Kawanishi | 2004-11-02 |
| 6492255 | Semiconductor chip and method manufacturing the same | Ryo Enomoto, Hideo Yabashi, Kenzo Hatada | 2002-12-10 |
| D451125 | Image forming cartridge | Seizi Sugimura | 2001-11-27 |
| 6271674 | Probe card | Yoshiei Hasegawa, Yukihiro Hirai, Takahiko Tandai, Norie Yamaguchi, Satoshi Narita | 2001-08-07 |
| 6137047 | Electronic apparatus with online reconfiguration of PLD components | — | 2000-10-24 |
| 5941711 | Karaoke apparatus with a personal data reading function | Toshiya Iida, Keizyu Anada | 1999-08-24 |
| 5701563 | Developing apparatus and image-forming apparatus using the same | Yoshiyuki Fukuda, Katsura Kojima | 1997-12-23 |
| 5583446 | Electro-optically controlled measurement probe system | Koichiro Takeuchi, Yukio Kasahara, Akira Miura, Hideto Iwaoka | 1996-12-10 |
| 5121272 | Apparatus for centering the magnetic disc in a magnetic disc drive | Nobuyoshi Maekawa, Hideya Yokouchi, Tomoe Aruga | 1992-06-09 |
| 5050988 | Measuring device using optical beam | Akira Ohte | 1991-09-24 |
| 4974680 | Sheet-feeding mechanism | Hideaki Nishida, Chihiro Kosaka, Takeshi Hiyoshi | 1990-12-04 |
| 4903155 | Disc drive | Nobuyoshi Maekawa, Hideya Yokouchi, Tomoe Aruga | 1990-02-20 |
| 4825314 | Disc drive | Nobuyoshi Maekawa, Hideya Yokouchi, Tomoe Aruga | 1989-04-25 |
| 4757409 | Carriage movement device for a magnetic memory device | Tomoe Aruga, Hideya Yokouchi, Nozomu Inoue, Kaneo Yoda | 1988-07-12 |