Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5274059 | Maleimide copolymer and process for preparing same | Kenji Kato, Yasumi Koinuma, Kazunori Doiuchi, Seigo Kinoshita | 1993-12-28 |
| 5179162 | N-substituted maleimide polymer composition | Kenji Kato, Yasumi Koinuma, Kazunori Doiuchi, Seigo Kinoshita | 1993-01-12 |
| 5164451 | Maleimide copolymer, maleimide block copolymer and method for producing maleimide block copolymer | Kenji Kato, Kazunori Doiuchi, Yasumi Koinuma, Kazuyoshi Aoshima | 1992-11-17 |
| 5140083 | Maleimide copolymer and process for preparing same | Kenji Kato, Yasumi Koinuma, Kazunori Doiuchi, Seigo Kinoshita | 1992-08-18 |
| 5023339 | Stabilized maleimide composition and process for preparing same | Kenji Kato, Nariyoshi Koga | 1991-06-11 |