Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804084 | Magnetic tape cassette having reduced friction against tape reels | Teruo Ashikawa, Hiroyuki Naito, Kiyoo Morita, Shozo Onmori, Masayoshi Moriwaki | 2004-10-12 |
| 6758428 | Tape reel for use in magnetic tape cassette | Kazuo Hiraguchi, Hiroyuki Naito, Shigeru Nishiyama, Hideki Uchikura, Akihiro Hashimoto | 2004-07-06 |
| 6755368 | Recording tape cassette | — | 2004-06-29 |
| 6742739 | Magnetic tape cassette, guide roller, and a method of manufacturing a guide roller | Masayoshi Moriwaki, Shigeru Nishiyama | 2004-06-01 |