Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365326 | Record player | Mitsuo Ohsawa | 1982-12-21 |
| 4335423 | Transformer | Akio Koizumi, Akira Endo | 1982-06-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365326 | Record player | Mitsuo Ohsawa | 1982-12-21 |
| 4335423 | Transformer | Akio Koizumi, Akira Endo | 1982-06-15 |