Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4392025 | Condenser microphone | Junichi Tamamura, Mamoru Yasuda, Shinichi Saeki | 1983-07-05 |
| 4382659 | Liquid crystal display device | Shigeo Aoki, Shuzo Isogami, Yasuhiro Ukai, Tatsuo Nagayoshi | 1983-05-10 |