Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071084 | Reel for magnetic tape | Seizi Tsuyuki | 1991-12-10 |
| 4995199 | Magnetic tape cassette having improved guide pole structure | Takahito Miyoshi, Minoru Kanazawa, Tsutomu Sugisaki, Yasutoshi Okuzawa | 1991-02-26 |
| 4993197 | Magnetic tape cassette having improved guide pole structure | Takahito Miyoshi, Minoru Kanazawa, Tsutomu Sugisaki, Yasutoshi Okuzawa | 1991-02-19 |
| 4930032 | Magnetic tape cassette having improved guide pole structure | Takahito Miyoshi, Minoru Kanazawa, Tsutomu Sugisaki, Yasutoshi Okuzawa | 1990-05-29 |
| 4664328 | Magnetic tape reel | — | 1987-05-12 |