Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5506738 | Tape cassette with tape guide support structure | Masafumi Tamura, Mitsuru Harada, Masato Tanaka | 1996-04-09 |
| D346597 | Magnetic tape cassette | Masato Tanaka | 1994-05-03 |
| 5276580 | Tape cassette including a spool locking member | Masato Tanaka | 1994-01-04 |
| D337112 | Magnetic tape cassette | Masato Tanaka | 1993-07-06 |
| D336642 | Magnetic tape cassette | Masato Tanaka | 1993-06-22 |
| 5218502 | Tape cassette | Masato Tanaka | 1993-06-08 |
| 5210670 | Reel brake operable from both sides of magnetic tape cassette | Masato Tanaka | 1993-05-11 |
| 5206781 | Magnetic tape cassette having a protective plug to avoid erroneous erasure | — | 1993-04-27 |
| D334186 | Magnetic tape cassette | Masato Tanaka | 1993-03-23 |
| 5195001 | Rotary head type tape recording and/or reproducing apparatus | Atsushi Murakami | 1993-03-16 |
| D333303 | Magnetic tape cassette | Masato Tanaka | 1993-02-16 |
| 5173830 | Tape cassette with tapered self-aligning reel hubs | Masato Tanaka | 1992-12-22 |
| D331581 | Magnetic tape cassette | Masato Tanaka, Fumitaka Kikutani | 1992-12-08 |
| D330372 | Magnetic tape cassette | Fumitaka Kikutani | 1992-10-20 |
| 5140487 | Magnetic tape cassette having dynamic tape guide | Masato Tanaka | 1992-08-18 |