Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376021 | Process for producing a water-soluble vinyl polymer | Jiro Okamoto, Isao Ishigaki, Hironobu Fukuzaki, Kiyoaki Yoshikawa | 1983-03-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376021 | Process for producing a water-soluble vinyl polymer | Jiro Okamoto, Isao Ishigaki, Hironobu Fukuzaki, Kiyoaki Yoshikawa | 1983-03-08 |