Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5490125 | Recording system for a singalong disc player | Shinichi Takada, Masaya Ogawa | 1996-02-06 |
HK
Haruhiko Kasuya
Overall (All Time): #3,735,881 of 4,157,543Top 90%
1
Patents All Time