Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5765934 | Projection type display | Shinji Okamori, Akira Daijogo, Hiroshi Kida, Shinsuke Shikama | 1998-06-16 |
| 5745297 | Retrofocus lens system | Toshihide Kaneko, Shinsuke Shikama | 1998-04-28 |
| 5739875 | Projection unit for projection type display apparatus | Naoki Kawamoto, Toshihide Kaneko, Kazuo Tsukagoshi | 1998-04-14 |
| 5642229 | Projection lens unit | Toshihide Kaneko | 1997-06-24 |
| 5607216 | Projection display apparatus | Toshihide Kaneko | 1997-03-04 |
| 5582473 | Projection display apparatus | Hidehiko Hori | 1996-12-10 |
| 5572364 | Projection lens system | Toshihide Kaneko | 1996-11-05 |
| 5570140 | Projection unit for projection type display apparatus | Kazuo Tsukagoshi | 1996-10-29 |
| 5537167 | Projection type display apparatus | Fusaaki Yamada, Shinsuke Shikama, Toshihide Kaneko, Kan Kawahara, Shigeru Takeuchi +1 more | 1996-07-16 |
| 5404246 | Projection lens system | Toshihide Kaneko, Naoki Kawamoto | 1995-04-04 |
| 5337093 | Projection television system including a plurality of display elements with corresponding optical axes incident to a screen at different points offset from the screen center | Toshihide Kaneko | 1994-08-09 |
| 5321789 | Projection display apparatus, and light guide tube/light valve for use in the same | Hiroshi Kida, Masahiro Usui, Shinsuke Shikama, Mitsushige Kondo | 1994-06-14 |
| 5248518 | Projection cathode ray tube | Shinsuke Shikama, Mitsushige Kondo | 1993-09-28 |
| 5216649 | Optical head with a tilt correction servo mechanism | Manabu Koike, Shinsuke Shikama, Toru Yoshihara, Takashi Saito | 1993-06-01 |
| 5210627 | Optical record and reproduction apparatus with liquid crystal panel that rotates light followed by a polarizer or birefringent plate | Toru Yoshihara | 1993-05-11 |
| 5148320 | Projection lens | — | 1992-09-15 |
| 5142387 | Projection-type display device having light source means including a first and second concave mirrors | Shinsuke Shikama, Masahiro Usui, Hiroshi Kida, Mitsushige Kondo | 1992-08-25 |
| 5138222 | Projection cathode ray tube having an interference filter | Shinsuke Shikama, Mitsushige Kondo | 1992-08-11 |
| 5135300 | Projection color display apparatus | Shinsuke Shikama, Mitsushige Kondo, Hiroshi Kida, Masahiro Usui | 1992-08-04 |
| 5130850 | Projection lens system | — | 1992-07-14 |
| 5123729 | Projection display device | Mitsushige Kondo, Shinsuke Shikama, Hiroshi Kida, Masahiro Usui | 1992-06-23 |
| 5066138 | Optical head apparatus | Shinsuke Shikama, Masayuki Kubota | 1991-11-19 |
| 4987566 | Optical head apparatus | Shinsuke Shikama, Mitsushige Kondou, Kazuo Iwata | 1991-01-22 |
| 4983002 | Optical head device | Shinsuke Shikama | 1991-01-08 |
| 4888760 | Optical head apparatus | Shinsuke Shikama, Mitsushige Kondou, Kazuo Iwata | 1989-12-19 |