Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804365 | Speaker and speaker system | Tatsuhiro Ohira, Yasuo Satoh, Hiroyuki Yoshii, Kaoru Shimamura, Yutaka Kobayashi | 2004-10-12 |
KK
Kunio Kosaka — 1 Patent
Overall (All Time): #3,492,703 of 4,157,543Top 85%
1
Patents All Time