Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643096 | Magnetic tape cassette having improved positioning | Teruo Ashikawa, Hiroyuki Naito, Kiyoo Morita, Shozo Onmori, Katsuki Asano | 2003-11-04 |
| 6595450 | Magnetic tape cassette, guide roller, and a method of manufacturing a guide roller | Katsuki Asano, Shigeru Nishiyama | 2003-07-22 |