Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885490 | Continuous sheet having optical functions | Osamu Kawaguchi, Tsuneo Ando, Shuzo Ohara | 1999-03-23 |
| 5844720 | Prism sheet | Shuzo Ohara, Osamu Kawaguchi, Tetsuro Taen, Kenji Kawashima, Yu Tsuyama | 1998-12-01 |
| 4515915 | Polyamide acid composition for preparing polyimide | Junji Uda, Tsuneo Yamamoto | 1985-05-07 |
| 4454276 | Polyamide acid composition for preparing polyimide and process for preparing polyimide from the same | Junji Uda, Tsuneo Yamamoto | 1984-06-12 |
| 4220734 | Impact and weather resistant composite of polyvinylchloride and acrylic modifier | Shigeki Yasunaga, Yutaka Tanaka, Yoshihiko Hashimoto | 1980-09-02 |