Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804084 | Magnetic tape cassette having reduced friction against tape reels | Teruo Ashikawa, Kiyoo Morita, Shozo Onmori, Katsuki Asano, Masayoshi Moriwaki | 2004-10-12 |
| 6758428 | Tape reel for use in magnetic tape cassette | Kazuo Hiraguchi, Katsuki Asano, Shigeru Nishiyama, Hideki Uchikura, Akihiro Hashimoto | 2004-07-06 |
| 6719232 | Magnetic tape cassette | Teruo Ashikawa, Shozo Onmori, Kazuo Hiraguchi | 2004-04-13 |