Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500477 | Polyacetal molding materials having high impact resistance, a process for their preparation, and their use | Gerhard Reuschel, Dietrich Fleischer, Kaoru Yamamoto | 1996-03-19 |
| 4956445 | Process for the preparation of acetal polymer or copolymer | Kaoru Yamamoto, Hiroyuki Sano | 1990-09-11 |
| 4861814 | Polyoxymethylene compositions and method of manufacturing the same | Nozomu Nakagawa, Masaru Kubota | 1989-08-29 |
| 4727132 | Method of continuous manufacturing of polymers or copolymers of trioxane | Tsuyoshi Minamisawa, Noboru Goto, Masaaki Nakamura | 1988-02-23 |
| 4661570 | Method of continuous polymerization | Masami Yamawaki, Tsuyoshi Minamisawa, Masaaki Nakamura | 1987-04-28 |