Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5256711 | Starch-containing biodegradable plastic and method of producing same | Yutaka Tokiwa, Masatoshi Koyama | 1993-10-26 |
| 5231923 | Press apparatus used for manufacturing a liquid crystal panel | Kazuhiro Ohta, Shoji Uchimura, Kyoji Furukawa | 1993-08-03 |