Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669014 | Magnetic tape cassette storage case | Kiyoo Morita, Kazuo Hiraguchi | 2003-12-30 |
| 6643096 | Magnetic tape cassette having improved positioning | Teruo Ashikawa, Hiroyuki Naito, Kiyoo Morita, Katsuki Asano, Masayoshi Moriwaki | 2003-11-04 |
| 6622863 | Magnetic tape cassette storage case | Kazuo Hiraguchi, Kiyoo Morita | 2003-09-23 |
| 6622952 | Magnetic tape cassette | Kazuo Hiraguchi | 2003-09-23 |
| 6589469 | Cassette half molding method therefor | Kazuo Hiraguchi | 2003-07-08 |
| 6550614 | Magnetic tape cassette holding case | Kazuo Hiraguchi, Kiyoo Morita | 2003-04-22 |