Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804084 | Magnetic tape cassette having reduced friction against tape reels | Teruo Ashikawa, Hiroyuki Naito, Kiyoo Morita, Shozo Onmori, Katsuki Asano | 2004-10-12 |
| 6742739 | Magnetic tape cassette, guide roller, and a method of manufacturing a guide roller | Katsuki Asano, Shigeru Nishiyama | 2004-06-01 |