Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719214 | Polyester-grafted starch-polymer alloy | Hideyuki Tanaka, Isamu Utsue, Yasuhito Okumura, Hiroshi Tanaka | 1998-02-17 |
| 5714540 | Esterified, polyvinyl ester-grafted starch | Hideyuki Tanaka, Isamu Utsue, Yasuhito Okumura, Hiroshi Tanaka | 1998-02-03 |
| 5693786 | Esterfied, polyester-grafted starch | Hideyuki Tanaka, Yasuhito Okumura, Hiroshi Tanaka | 1997-12-02 |