Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4961976 | Method of increasing the dynamical strength of glass container | Yutaka Hashimoto, Masanobu Yumoto, Yutaka Kamada, Tsutomu Matsubara, Sigeo Kawaguchi | 1990-10-09 |
| 4891241 | Method of increasing the dynamical strength of glass container | Yutaka Hashimoto, Masanobu Yumoto, Yutaka Kamada, Tsutomu Matsubara, Sigeo Kawaguchi | 1990-01-02 |
| 4884866 | Fluorine-containing resin composition having low refractive index | Yutaka Hashimoto, Masayuki Kamei | 1989-12-05 |
| 4822713 | Light-sensitive composition with fluorine containing acrylate or methacrylate copolymer surfactant | Akira Nishioka, Masayuki Kamei | 1989-04-18 |
| 4786658 | Fluorine-containing resin composition having low refractive index | Yutaka Hashimoto, Masayuki Kamei | 1988-11-22 |
| 4431595 | Fluorine-containing aminosulfonate | Yutaka Hashimoto, Masayuki Kamei, Tadashi Ito | 1984-02-14 |
| 4346012 | Powdery fire-extinguishing agent, and process for its preparation | Tadashi Ito | 1982-08-24 |