Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7636185 | Hologram recording device and hologram recording method | Kazushi Uno, Kouichi Tezuka, Yasumasa Iwamura, Yuzuru Yamakage | 2009-12-22 |
| 7616362 | Hologram recording and reproducing apparatus | Kouichi Tezuka, Kazushi Uno | 2009-11-10 |
| 7583171 | Magnetic field generator, photomagnetic information storing system, and photomagnetic information storing apparatus | Tsuyoshi Matsumoto, Tohru Fujimaki | 2009-09-01 |
| 7518974 | Recording and reproducing apparatus | Yuzuru Yamakage, Toshikazu Kanaoka, Akiyoshi Uchida, Kazushi Uno | 2009-04-14 |
| 7515521 | Hologram recording and reproducing apparatus | Kazushi Uno, Kouichi Tezuka | 2009-04-07 |
| 7466634 | Magnetic field generator and photomagnetic information storage apparatus | — | 2008-12-16 |
| 7342697 | Hologram recording medium | Kazushi Uno, Kouichi Tezuka | 2008-03-11 |
| 7201333 | Intermittent automatic irrigation system | Seiji Nakao | 2007-04-10 |
| 7127729 | Magneto-optical head and magneto-optical disk drive | Goro Kawasaki, Tsuyoshi Matsumoto, Nobuyuki Kanto, Tohru Fujimaki, Koichi Tezuka | 2006-10-24 |
| 7079274 | Communication terminal device | — | 2006-07-18 |
| 6778485 | Optical storage device having liquid crystal layers varying light in phase between 0 and &pgr; | Shin Hasegawa, Tatsuo Uchida | 2004-08-17 |
| 6704249 | Magnetic head having an irregular surface for heat dissipation | Goro Kawasaki, Tsuyoshi Matsumoto, Tohru Fujimaki | 2004-03-09 |
| 6697305 | Magnetic head with sectioned magnetic field regulator | — | 2004-02-24 |
| 6584058 | Optical storage device and liquid crystal device having separate liquid crystal layers with opposing electrodes | Shin Hasegawa, Tatsuo Uchida | 2003-06-24 |
| 6256114 | Communication terminal apparatus | — | 2001-07-03 |
| 6249356 | Communication terminal device | Taku Soneoka | 2001-06-19 |
| 6243334 | Information reading and writing device for optical disk | Shinya Hasegawa | 2001-06-05 |
| 6198548 | Communication terminal device having copying function | Taku Soneoka | 2001-03-06 |
| 5982402 | Apparatus for printing color image by combination of optical beam scanning units and photosensitive drums | Shin Hasegawa, Masato Nakashima, Fumio Yamagishi | 1999-11-09 |
| 5900955 | Optical scanning system including two hologram elements | Shinya Hasegawa, Satoshi Maeda, Shigeo Kayashima, Fumio Yamagishi | 1999-05-04 |
| 5754503 | Optical device with improved focused error detection and tracing error detection for optical disk drive | Satoshi Senba, Shinya Hasegawa, Fumihiro Tawa | 1998-05-19 |
| 5745265 | Optical element utilized for optical storage unit and optical device including the optical element | Shinya Hasegawa, Kohichi Tezuka | 1998-04-28 |
| 5696748 | Hologram optical system for optical pickup for optical disk drive | — | 1997-12-09 |
| 5291304 | Facsimile apparatus having invoice sentence preparation function | Masakuni Horii, Eiichi Morimoto | 1994-03-01 |