Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506446 | Anti-fog coating material and method of preparing an anti-fog article | Tohru Yamamoto, Shigeo Yoshida, Keiji Ikemori, Keiji Ohtaka, Hideo Ukuda | 2003-01-14 |
| 6306932 | Anti-fogging coating material, anti-fogging coating film and anti-fogging article | Tohru Yamamoto, Shigeo Yoshida, Keiji Ikemori, Keiji Ohtaka, Hideo Ukuda | 2001-10-23 |
| 5976680 | Non-fogging antireflection film and optical member, and production process thereof | Keiji Ikemori, Shoichi Shimura, Tohru Yamamoto, Shigeo Yoshida | 1999-11-02 |
| 5854341 | Anti-fogging coating composition, anti-fogging coated article and method for producing same | Tohru Yamamoto, Shigeo Yoshida | 1998-12-29 |