Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7230598 | Electric dimming device and its driving method | Toru Udaka, Toshiharu Yanagida, Toshifumi Takaoka, Kazuhiro Tanaka | 2007-06-12 |
| 7057683 | Guest-host liquid crystal element with removable polarizer | Toru Udaka, Keiichi Nito, Toshiharu Yanagida | 2006-06-06 |
| 6876412 | Guest-host liquid crystal element with removable polarizer | Toru Udaka, Keiichi Nito, Toshiharu Yanagida | 2005-04-05 |
| 6791657 | Liquid crystal display having liquid crystal cell gap variation | Toshiharu Yanagida, Toru Udaka | 2004-09-14 |
| 6720742 | Light control device, method for driving same and pickup device using the light control device | Toshiharu Yanagida, Toru Udaka, Kazuhiro Tanaka | 2004-04-13 |
| 6219173 | Optical device and its manufacturing method | Tooru Udaka, Hideharu Miyagaki, Shinichiro Yamada, Hiroshi Imoto | 2001-04-17 |
| 6134061 | Digital signal recording and reproducing apparatus and digital signal recording and reproducing method collectively recording inspecton codes and forming a gap therebetween during post-scoring | Tohru Inoue, Ken Onishi | 2000-10-17 |
| 5400186 | Apparatus and method for recording and reproducing digital signals by error-correcting-encoding of video and audio signals collectively | Tohru Inoue, Ken Onishi | 1995-03-21 |
| 5198138 | Spherical ferrite particles and ferrite resin composite for bonded magnetic core | Shigehisa Yamamoto | 1993-03-30 |
| 5099364 | Video recorder with reduced power consumption | — | 1992-03-24 |
| 4562491 | Multichannel digital magnetic recording apparatus | Teruo Furukawa, Michiyasu Ishibashi | 1985-12-31 |