Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9036112 | Optical sheet, optical sheet production method, surface-emitting apparatus, and liquid crystal display apparatus | Noriyuki Hirai, Akihiro Horii, Hiroshi Mizuno, Akiko Kakibe, Shunichi Kajiya | 2015-05-19 |
| 8018557 | Retardation compensating plate to compensate residual retardation of a liquid crystal panel, a compensator, a liquid crystal display device, and a projection image display apparatus having the same | Yutaka Muramoto, Satoshi Sekino, Hideki Terashima, Tatsuya Harima, Sachie Shoji +1 more | 2011-09-13 |
| 6702920 | Production method of and production apparatus for optical recording disc | Kokichi Kohinata, Shoji Akiyama, Yoshinori Itaba | 2004-03-09 |
| 6478908 | Production method of and production apparatus for optical recording disc | Kokichi Kohinata, Shoji Akiyama, Yoshinori Itaba | 2002-11-12 |