Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4613967 | Disc player | Yuichiro Hamada, Kazuhiko Fujiie, Masanori Ohtawa, Chiaki Nonaka, Tadao Yoshida | 1986-09-23 |
| 4608676 | Apparatus for optically reproducing an information signal from a record disk | Tadao Yoshida | 1986-08-26 |