Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5892743 | Information reproducing method and apparatus with servo characteristic change for sound reproduction | Kouji Okada, Tsutomu Egashira, Akihiro Nishiyama, Fuminobu Furukawa | 1999-04-06 |