Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302827 | Ink ribbon cartridge | — | 1989-08-15 |
| 4798844 | Chemotherapeutant composition | Yoshiya Iwasaki, Hiroko Yabe | 1989-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302827 | Ink ribbon cartridge | — | 1989-08-15 |
| 4798844 | Chemotherapeutant composition | Yoshiya Iwasaki, Hiroko Yabe | 1989-01-17 |