Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5751828 | Magnetic circuit unit for loud-speaker and method of manufacturing the same | Hiroshi Ueda, Shizuo Furuyama, Kiyoshi Kojima, Masayuki Wakamiya | 1998-05-12 |
KO
Kazuhiro Ohyama
Overall (All Time): #3,683,977 of 4,157,543Top 90%
1
Patents All Time