Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953952 | Color liquid crystal displaying panels | Toyokazu Okada, Hitoshi Kikui, Kazuo Nakata | 1990-09-04 |
| 4895677 | Light-polarizing film | Toyokazu Okada, Hitoshi Kikui | 1990-01-23 |
| 4883717 | Vibration-damping material | Shuji Kitamura, Yoshio Tadokoro, Hiroo Toya, Yoshiaki Togawa, Toshitsugu Kikuchi +5 more | 1989-11-28 |
| 4859039 | Light-polarizing film | Toyokazu Okada, Hitoshi Kikui | 1989-08-22 |
| 4803014 | Light-polarizing film | Toyokazu Okada, Hitoshi Kikui | 1989-02-07 |
| 4626304 | Method of making a light-polarizing plate | Masataka Yanase, Hitoshi Kikui | 1986-12-02 |
| 4564545 | Light-polarizing plate having excellent durability and production of the same | Masataka Yanase, Hitoshi Kikui | 1986-01-14 |
| 4522955 | Highly foamed polypropylene product and an extrusion process for forming the product | Nobuo Fukushima, Yoshihiko Kitagawa, Kazuaki Sakakura | 1985-06-11 |