Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809095 | Recording and reproducing apparatus selectively using a plurality of kinds of recording mediums | — | 1989-02-28 |
| 4801830 | Brushless motor | Shigeru Ogino, Noritsugu Hirata | 1989-01-31 |