Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4229330 | Process for producing phenolic resins | Susumu Konii, Yukio Yoshimura, Ken Nanaumi, Takeshi Yoshida, Toyotaro Shinko | 1980-10-21 |
| 4209429 | Process for producing internally plasticized phenolic resins | Susumu Konii, Yukio Yoshimura, Ken Nanaumi, Takeshi Yoshida, Toyotaro Shinko | 1980-06-24 |