Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9070404 | Recording tape cartridge | Kazuo Hiraguchi | 2015-06-30 |
| 7997519 | Recording tape cartridge | Kazuo Hiraguchi, Kiyoo Morita | 2011-08-16 |
| 7918412 | Recording tape cartridge | Shozo Onmori, Yosuke Sumiya | 2011-04-05 |
| 7857250 | Recording tape cartridge and rotation locking structure | Teruo Ashikawa | 2010-12-28 |
| 7841554 | Recording tape cartridge | Kazuo Hiraguchi | 2010-11-30 |
| 7815140 | Recording tape cartridge | Shozo Onmori | 2010-10-19 |
| 7780107 | Recording tape cartridge | Shozo Onmori, Yosuke Sumiya | 2010-08-24 |
| 7770835 | Recording tape cartridge | Yosuke Sumiya, Shozo Onmori | 2010-08-10 |
| 7690594 | Recording tape cartridge | Kiyoo Morita, Kazuo Hiraguchi | 2010-04-06 |
| 7562839 | Recording tape cartridge | Kiyoo Morita, Kazuo Hiraguchi | 2009-07-21 |
| 7520462 | Recording tape cartridge | Kiyoo Morita, Kazuo Hiraguchi | 2009-04-21 |
| 7475839 | Recording tape cartridge | Kazuo Hiraguchi, Kiyoo Morita | 2009-01-13 |