Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700560 | Gas barrier resin composition and its film and process for producing the same | Kozo Kotani, Toshio Kawakita, Taiichi Sakaya | 1997-12-23 |
| 5631755 | Layered inorganic compound-containing phase retarder | Taiichi Sakaya, Koji Higashi, Tadashi Shindo, Akiko Shimizu | 1997-05-20 |