Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8933998 | Three-dimensional image display device, method of manufacturing the same, and three-dimensional image display method | Katsuhisa Ito, Hiroki Kikuchi, Shinichiro Tajiri, Izushi Kobayashi, Hiroaki Yasunaga | 2015-01-13 |
| 8854439 | Stereoscopic picture display, method of manufacturing the same and stereoscopic picture display method | Katsuhisa Ito, Hiroki Kikuchi, Shinichiro Tajiri, Izushi Kobayashi, Hiroaki Yasunaga | 2014-10-07 |
| 8693099 | Antireflection film | Toshitaka Kawashima, Shigeo Kubota, Koichi Tatsuki, Junichi Ohsako | 2014-04-08 |
| 7364309 | Image projector and image projecting method | Yutaka Sugawara | 2008-04-29 |
| 7204593 | 3-D image display unit | Shigeo Kubota, Toshitaka Kawashima, Junichi Ohsako | 2007-04-17 |
| 6937754 | Inspection equipment | — | 2005-08-30 |
| 6780692 | Laser annealing apparatus and method of fabricating thin film transistor | Koichi Tatsuki, Koichi Tsukihara | 2004-08-24 |
| 6459493 | Apparatus for measuring surface form | Minako Sugiura, Shigeo Kubota | 2002-10-01 |
| RE37717 | Optical pickup device | Shigeo Kubota | 2002-05-28 |
| 6388744 | Disc-shaped recording medium inspection apparatus and method | Shigeo Kubota, Yutaka Imai | 2002-05-14 |
| 6220714 | Image display apparatus | — | 2001-04-24 |
| 5852508 | Lens device, ultraviolet-ray emitting device, and optical disc recording device | Shigeo Kubota | 1998-12-22 |
| 5742437 | Optical pickup device | Shigeo Kubota | 1998-04-21 |
| 5726436 | Apparatus and method for compensating coma aberration | Michio Oka, Hiroshi Suganuma | 1998-03-10 |
| 5473154 | Optical pickup apparatus employing nonpolarization beam splitter and quarter wavelength plate | Atsushi Fukumoto | 1995-12-05 |
| 5442615 | Optical plate for correcting comatic aberration | Kiyoshi Ohsato, Kamon Uemura | 1995-08-15 |
| 5418810 | Laser light beam generating apparatus using an electromagnetic actuator for reflector positioning | Michio Oka | 1995-05-23 |
| 5402407 | Optical pickup apparatus and method for adjusting optical axis thereof | Fumisada Maeda | 1995-03-28 |
| 5367531 | Laser light beam generating apparatus | Michio Oka | 1994-11-22 |
| 5347500 | Compact optical pickup head with tracking error signal generator | — | 1994-09-13 |
| 5339324 | Laser beam generator including automatic resonator length control | Michio Oka | 1994-08-16 |
| 5289479 | Laser light beam generating apparatus | Michio Oka | 1994-02-22 |
| 5255176 | Control circuit for an inverter operable in an individual mode and an interconnection mode | Yasunori Hatta | 1993-10-19 |
| 5157642 | Optical disc recording/reproduction apparatus with improved track seeking | Yoshihiro Tsukamura, Kimihiro Saitou, Shingeaki Wachi | 1992-10-20 |
| 5144605 | Optical disk apparatus and method for controlling movement of light spot thereof | Seiji Kobayashi, Norio Nishida, Shunji Yoshimura | 1992-09-01 |