Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684071 | Additive for thermpolastic resins and flame retardant resin composition | Masaaki Nakamura, Tadashi Koyama, Tomomi Nakashima, Akiyoshi Somemiya | 1997-11-04 |
| 5616812 | Method of producing a polyvinyl ether compound | Tatsuya Egawa, Yasuhiro Kawaguchi, Nobuaki Shimizu | 1997-04-01 |