Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302683 | Image information reading machine for electronic computer | Hiroyoshi Iwasaki | 1989-08-08 |
| 4796134 | Magnetic head with improved supporter for perpendicular magnetization recording | Yoshio Watanabe, Nobuaki Furuya, Hiroshi Miyama | 1989-01-03 |