Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101308 | Tape reel for magnetic tape cassette | Kiyoshi Urayama | 1992-03-31 |
| 4846419 | Cassette reel having an indicator for tape volume with an upper flange | Kazuo Ozawa | 1989-07-11 |
| 4637851 | Method for the preparation of a laminate | Susumu Ueno, Kouiti Kuroda, Hirokazu Nomura | 1987-01-20 |