Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831073 | Polyacetal composition and method of preparation thereof | Eitaro Ikegami, Seiichi Higashiyama, Hiroyuki Miyaji | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831073 | Polyacetal composition and method of preparation thereof | Eitaro Ikegami, Seiichi Higashiyama, Hiroyuki Miyaji | 1989-05-16 |