Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5889074 | Method for improving mechanical strength of glass articles | Yutaka Hashimoto, Masanobu Yumoto, Yutaka Kamada, Shigeo Kawaguchi | 1999-03-30 |
| 5717004 | Active energy ray-curable composition and applicable method | Yutaka Hashimoto, Masanobu Yumoto, Yutaka Kamada, Shigeo Kawaguchi | 1998-02-10 |
| 5684079 | Curing composition | Masanobu Yumoto, Tsutomu Imai, Torao Higuchi, Yutaka Hashimoto, Masayuki Kamei | 1997-11-04 |