Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972489 | Sound reproducing apparatus | Shinichi Oki, Toshihiko Ohashi, Fumiyasu Konno, Hiroshi Yagi | 1990-11-20 |
TN
Takahiro Nakauma
Overall (All Time): #3,915,693 of 4,157,543Top 95%
1
Patents All Time