Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355542 | Scavenging pump | Yoshio Tsutsumi | 1982-10-26 |
| 4310091 | Film-packet to be adaptable for picture stand | Yoshio Hara, Yukihiro Sugimoto | 1982-01-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355542 | Scavenging pump | Yoshio Tsutsumi | 1982-10-26 |
| 4310091 | Film-packet to be adaptable for picture stand | Yoshio Hara, Yukihiro Sugimoto | 1982-01-12 |