Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345043 | Vinyl chloride resin composition | Masanori Oota, Haruki Isaka | 1982-08-17 |
| 4337324 | Vinyl chloride resin composition | Yo Iizuka, Humio Akutsu | 1982-06-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345043 | Vinyl chloride resin composition | Masanori Oota, Haruki Isaka | 1982-08-17 |
| 4337324 | Vinyl chloride resin composition | Yo Iizuka, Humio Akutsu | 1982-06-29 |