Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6388951 | Audio apparatus | Ryuichiro Matsumoto, Dai Ishikawa, Hidekazu Yoshida, Michiaki Hamada | 2002-05-14 |
CA
Chiharu Akaishi
Overall (All Time): #3,544,610 of 4,157,543Top 90%
1
Patents All Time