Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D314762 | Tape player | Masayoshi Tsuchiya | 1991-02-19 |
| D284665 | Magnetic disc jacket | Etsuro Saito, Tsuneo Nemoto, Shinichiro Takahashi | 1986-07-15 |
| D277859 | Magnetic disc | Etsuro Saito | 1985-03-05 |