Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8192030 | Laser illuminating device and image display device | Tetsuro Mizushima, Tatsuo Itoh, Shinichi Shikii | 2012-06-05 |
| 8189632 | Laser emission device and image display device using the same | Tetsuro Mizushima, Akihiro Morikawa, Kazuhisa Yamamoto, Hiroyuki Furuya, Shinichi Kadowaki | 2012-05-29 |
| 8064115 | Hologram recording/reproducing apparatus | Tomoya Sugita | 2011-11-22 |
| 8029141 | Image display apparatus that controls luminance of a partial area of each pixel to be below threefold of an average luminance value of the entire pixel | Tetsuro Mizushima, Tatsuo Itoh, Kazuhisa Yamamoto | 2011-10-04 |
| 8016428 | 2-dimensional image display device or illumination device for obtaining uniform illumination and suppressing speckle noise | Yasuo Kitaoka, Kiminori Mizuuchi, Kazuhisa Yamamoto | 2011-09-13 |
| 8010975 | Disc cartridge and photon mode optical information recording/reproducing apparatus | Tomoya Sugita, Tetsuro Mizushima, Kazuhisa Yamamoto, Shinichi Kadowaki, Teruyuki Takizawa | 2011-08-30 |
| 7988305 | Projection type display device and light source device | Tatsuo Itoh, Tetsuro Mizushima, Kazuhisa Yamamoto | 2011-08-02 |
| 7967452 | Projection type display apparatus | Tatsuo Itoh, Kazuhisa Yamamoto, Kiminori Mizuuchi | 2011-06-28 |
| 7948579 | Planar lighting device and liquid crystal display device using the same | Tatsuo Itoh, Tetsuro Mizushima, Kazuhisa Yamamoto, Shinichi Kadowaki | 2011-05-24 |
| 7911919 | Information recording/reproducing device and hologram recording/reproducing method | Tomoya Sugita | 2011-03-22 |
| 7903310 | Hologram recording/reproducing apparatus, hologram multiplex recording method, and hologram recording medium utilizing reaction rate information and a recording interval time based on the reaction rate information | Tomoya Sugita | 2011-03-08 |
| 7859972 | Holographic optical information recording/reproducing device and holographic optical information recording/reproducing method | Tomoya Sugita, Tetsuro Mizushima, Kazuhisa Yamamoto, Shinichi Kadowaki | 2010-12-28 |
| 7859610 | Planar lighting and LCD device with a laser light source emitting a linearly-polarized laser beam, optical member to parallelize the beam and a plate-shaped light guide for emitting part of the beam | Tetsuro Mizushima, Tatsuo Itoh, Kazuhisa Yamamoto, Shinichi Kadowaki | 2010-12-28 |
| 7852731 | Optical storage medium and optical information apparatus | Shinichi Kadowaki, Kazuhisa Yamamoto, Tetsuro Mizushima, Tomoya Sugita | 2010-12-14 |
| 7792160 | Coherent light source and recording and reproduction device using the same | Kazuhisa Yamamoto, Tomoya Sugita, Tetsuro Mizushima, Shinichi Kadowaki | 2010-09-07 |
| 7773486 | Two-dimensional photoreceptor array, holographic optical information playback device, and holographic optical information recording device | Kiminori Mizuuchi, Kazuhisa Yamamoto | 2010-08-10 |
| 7738162 | Short wavelength light source | Kiminori Mizuuchi, Hiroyuki Furuya, Koichi Kusukame, Kazuhisa Yamamoto | 2010-06-15 |
| 7646518 | Two dimensional image forming device | — | 2010-01-12 |
| 7399084 | Laser image display apparatus | Akihiro Morikawa, Kiminori Mizuuchi | 2008-07-15 |
| 6549346 | Assembled lens, optical head and optical recordable player with them | Hidenori Wada, Keiichi Matsuzaki, Seiji Nishino, Tetsuo Saimi, Masanari Mohri | 2003-04-15 |
| 6501868 | Optical waveguide device, coherent light source, integrated unit, and optical pickup | Yasuo Kitaoka, Kiminori Mizuuchi, Kazuhisa Yamamoto | 2002-12-31 |
| 6185168 | Super-resolution optical head apparatus | Makoto Kato, Shin-ichi Kadowaki, Hiroaki Yamamoto, Kazuhisa Yamamoto | 2001-02-06 |
| 6115345 | Super-resolution optical head apparatus | Makoto Kato, Shin-ichi Kadowaki, Hiroaki Yamamoto, Kazuhisa Yamamoto | 2000-09-05 |
| 5978109 | Superresolution scanning optical device | Makoto Kato | 1999-11-02 |
| 5625613 | Super-resolution scanning optical system by incoherently superimposing two beams | Makoto Kato | 1997-04-29 |