Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5590208 | Speaker system | Shinji Koyano, Takashi Ohyaba, Makoto Sakakibara, Katsutoki Hanayama | 1996-12-31 |
KK
Koushirou Kogure
Overall (All Time): #3,760,866 of 4,157,543Top 95%
1
Patents All Time