Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7616880 | Adapter ring for rotation of photographing lens barrel | Shinichi Watanabe | 2009-11-10 |
| 4722016 | Tape cassette for cleaning use | Kazuhide Ishikawa | 1988-01-26 |
| 4607306 | Tape cassette with liner sheet insert | — | 1986-08-19 |
| 4563718 | Tape cassette liner | — | 1986-01-07 |
| 4561033 | Pad apparatus for magnetic tape cassette | — | 1985-12-24 |
| 4523680 | Tape cassette storage box coupling accessory | Shoichi Saito | 1985-06-18 |
| 4516181 | Tape cassette liner sheet arrangement | — | 1985-05-07 |
| 4492417 | Tape cassette storage box | Shoichi Saito | 1985-01-08 |
| 4479580 | Casing for receiving cassette | — | 1984-10-30 |
| 4463996 | Tape cassette storage box | Shoichi Saito | 1984-08-07 |
| 4431237 | Tape cassette storage box | Shoichi Saito | 1984-02-14 |
| 4428479 | Accessory for tape-cassette storage box | Shoichi Saito | 1984-01-31 |
| D271064 | Case for a magnetic tape | — | 1983-10-25 |
| 4410087 | Tape cassette storage box | — | 1983-10-18 |
| D269825 | Coupling adaptor for a magnetic tape cassette accommodating case | Shoichi Saito, Terumasa Wada, Koki Yamamoto | 1983-07-26 |
| 4368497 | Tape cassette | — | 1983-01-11 |
| 4293885 | Pad spring for a tape cassette | Shoichi Saito | 1981-10-06 |