Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5067159 | Structure of a speaker apparatus | Junichi Kasai, Wataru Yagihashi, Akira Yatsunami | 1991-11-19 |
| 4396242 | Plug connector assembly | Kunio Uchikawa, Toshiyuki Imagawa, Chuji Akasaka | 1983-08-02 |