Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5559187 | Thermoplastic copolymer, method for production thereof, and thermoplastic resin composition containing the copolymer | Akihiro Watanabe, Hajime Nishihara | 1996-09-24 |
| 5310831 | Process for producing a vinyl terpolymer using reactors arranged in series | Akihiro Watanabe, Hajime Nishihara | 1994-05-10 |
| 5278212 | Flow modifier for thermoplastic resin and thermoplastic resin composition containing the same | Hajime Nishihara, Hiroaki Ishikawa, Hiroshi Mikami | 1994-01-11 |
| 5137979 | Multi-layer structure polymer and resin composition | Hajime Nishihara, Junji Seki | 1992-08-11 |