Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7586680 | Projection screen having a plural number of light control layers | Seiji Muro | 2009-09-08 |
| 5310509 | Dye-containing light-polarizing film | Koji Higashi, Shinjiro Kawasaki, Yutaka Nishii | 1994-05-10 |
| 5285303 | Phase retarder and process for producing the same | Kazuaki Sakakura, Koji Higashi, Akiko Shimizu | 1994-02-08 |
| 5244713 | Optical film | Kimishige Nakamura, Kazuaki Sakakura | 1993-09-14 |
| 5082601 | Light-polarizing films | Koji Higashi, Satoshi Taguchi | 1992-01-21 |
| 5061042 | Phase retarder and liquid crystal display using the same | Kimishige Nakamura, Shuji Kitamura, Kazuaki Sakakura, Hitoshi Kikui, Koji Higashi +1 more | 1991-10-29 |
| 4953952 | Color liquid crystal displaying panels | Takuzo Okumura, Hitoshi Kikui, Kazuo Nakata | 1990-09-04 |
| 4895677 | Light-polarizing film | Takuzo Okumura, Hitoshi Kikui | 1990-01-23 |
| 4859039 | Light-polarizing film | Takuzo Okumura, Hitoshi Kikui | 1989-08-22 |
| 4802745 | Light-polarizing films | Koji Higashi, Satoshi Taguchi | 1989-02-07 |
| 4803014 | Light-polarizing film | Takuzo Okumura, Hitoshi Kikui | 1989-02-07 |