Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6542308 | Projection display apparatus and projection lens device for use therein | Koji Hirata, Shigeru Mori, Naoyuki Ogura | 2003-04-01 |
| 6535267 | Liquid crystal display apparatus having liquid crystal display element immersed in cooling medium | Toru Numata, Mikio Shiraishi, Koji Hirata, Naoyuki Ogura, Shigeru Inaoka +3 more | 2003-03-18 |
| 6431710 | Optical apparatus | Kenji Fuse, Mikio Shiraishi, Nobuyuki Kaku, Hidehiro Ikeda | 2002-08-13 |
| 6411440 | Array lens, lighting optical system, optical unit and imaging apparatus | Satoshi Ohuchi, Masahiko Yatsu, Taro Imahase, Tomohiro Miyoshi, Takesuke Maruyama | 2002-06-25 |
| 6392809 | Array lens, lighting optical system, optical unit and imaging apparatus | Satoshi Ohuchi, Masahiko Yatsu, Taro Imahase, Tomohiro Miyoshi, Takesuke Maruyama | 2002-05-21 |
| 6299313 | Projection display apparatus and projection lens device for use therein | Koji Hirata, Shigeru Mori, Naoyuki Ogura | 2001-10-09 |
| 6290360 | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same | Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more | 2001-09-18 |
| 6280038 | Optical equipment | Kenji Fuse, Mikio Shiraishi, Nobuyuki Kaku, Hidehiro Ikeda | 2001-08-28 |
| 6256083 | Liquid crystal display apparatus and optical device for use therein | Toru Numata, Mikio Shiraishi, Koji Hirata, Naoyuki Ogura, Shigeru Inaoka +3 more | 2001-07-03 |
| 6231191 | Image display mechanism and image display device | Mikio Shiraishi, Toru Numata | 2001-05-15 |
| 6201645 | Array lens, lighting optical system, optical unit and imaging apparatus | Satoshi Ohuchi, Masahiko Yatsu, Taro Imahase, Tomohiro Miyoshi, Takesuke Maruyama | 2001-03-13 |
| 6124979 | Projection display apparatus and projection lens device for use therein | Koji Hirata, Shigeru Mori, Naoyuki Ogura | 2000-09-26 |
| 5859829 | Disc apparatus for accepting a disc having at least one portion for preventing misinsertion | Nobuhiro Katase, Tohru Sasaki | 1999-01-12 |
| 5831967 | Cartridge for preventing misinsertion | Nobuhiro Katase, Tohru Sasaki | 1998-11-03 |
| 5805312 | Thermographical image copier system with real time copying and variable read and record speeds | Naohiro Ozawa, Akihiko Asada, Toyota Honda, Mikio Shiraishi, Yasuyuki Kojima +3 more | 1998-09-08 |
| 5612940 | Disc cartridge for receiving a disk and mechanism for preventing an incorrect insertion of a cartridge | Nobuhiro Katase, Tohru Sasaki | 1997-03-18 |
| 5606547 | Optical disc cartridge and mechanism for preventing an incorrect insertion of a cartridge | Nobuhiro Katase, Tohru Sasaki | 1997-02-25 |
| 5548411 | Facsimile apparatus | Kazutaka Sato, Michihiro Watanabe, Masahisa Aoyagi, Taisaku Seino, Katsuo Ohki +7 more | 1996-08-20 |
| 5452098 | Facsimile apparatus | Kazutaka Sato, Michihiro Watanabe, Masahisa Aoyagi, Taisaku Seino, Katsuo Ohki +7 more | 1995-09-19 |
| 5297133 | Optical disc cartridge and mechanism for preventing an incorrect insertion of a cartridge | Nobuhiro Katase, Tohru Sasaki | 1994-03-22 |
| 4937801 | Magneto-optical recording and reproducing apparatus with magnetic field controller | Michio Miura, Kichizaemon Okazaki | 1990-06-26 |