Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758428 | Tape reel for use in magnetic tape cassette | Kazuo Hiraguchi, Hiroyuki Naito, Katsuki Asano, Hideki Uchikura, Akihiro Hashimoto | 2004-07-06 |
| 6742739 | Magnetic tape cassette, guide roller, and a method of manufacturing a guide roller | Katsuki Asano, Masayoshi Moriwaki | 2004-06-01 |