Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331439 | Process for preventing color migration in colored moldings of polyoxymethylene resins | Minoru Hamada, Hisaya Sakurai, Takeo Yoshida, Hiroshi Hazawa | 1982-05-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331439 | Process for preventing color migration in colored moldings of polyoxymethylene resins | Minoru Hamada, Hisaya Sakurai, Takeo Yoshida, Hiroshi Hazawa | 1982-05-25 |