Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5944405 | Flat light source using light-diffusing sheet with projections thereon | Michiko Takeuchi, Taiji Ishii | 1999-08-31 |
| 5914825 | Reflector for display | Hisanori Ishida | 1999-06-22 |
| 5908476 | Abrasive tape and method of producing the same | Hiroyuki Amemiya, Yasuo Nakai, Taiji Ishii, Masahisa Yamaguchi | 1999-06-01 |
| 5868806 | Abrasive tape and method of producing the same | Hiroyuki Amemiya, Yasuo Nakai, Taiji Ishii, Masahisa Yamaguchi | 1999-02-09 |
| 5841572 | Lens array sheet, surface light source, and transmission type display device | Rika Ando, Haruo Ono, Hisanori Ishida, Michiko Takeuchi, Nobu Masubuchi | 1998-11-24 |
| 5808784 | Lens array sheet surface light source, and transmission type display device | Rika Ando, Haruo Ono, Hisanori Ishida, Michiko Takeuchi, Nobu Masubuchi | 1998-09-15 |
| 5714218 | Ionizing radiation-curable resin composition for optical article, optical article, and surface light source | Hiroshi Kojima, Hisanori Ishida, Kazuko Etou, Hiroyuki Amemiya, Michiko Takeuchi +3 more | 1998-02-03 |
| 5709598 | Abrasive tape and method of producing the same | Hiroyuki Amemiya, Yasuo Nakai, Taiji Ishii, Masahisa Yamaguchi | 1998-01-20 |
| 5598280 | Film lens and a surface light source using the same | Michiko Takeuchi, Nobu Masubuchi | 1997-01-28 |
| 5592332 | Renticular lens, surface light source, and liquid crystal display apparatus | Yoshiyuki Yamashita, Hiroyuki Amemiya, Michiko Takeuchi, Nobu Masubuchi | 1997-01-07 |