Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698308 | Polyester film for use of a laminate with a metal plate | Iwao Tanaka, Kunio Shibatsuji, Hirokazu Kurome, Seiya Sugiura, Wataru Ooe | 1997-12-16 |
| 5668078 | Water-absorbent resin particles and the production thereof | Masanori Koike, Kenji Tanaka | 1997-09-16 |
| 5591518 | Polyester film for use of a laminate with a metal plate | Iwao Tanaka, Kunio Shibatsuji, Hirokazu Kurome, Seiya Sugiura, Wataru Ooe | 1997-01-07 |