Issued Patents All Time
Showing 1–25 of 162 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12396368 | Piezoelectric element | Yusuke Kagawa, Teruo Ashikawa | 2025-08-19 |
| 12075211 | Laminated piezoelectric element and electroacoustic transducer | Teruo Ashikawa, Yusuke Kagawa, Tetsu Miyoshi | 2024-08-27 |
| 11895463 | Piezoelectric element | Yusuke Kagawa, Teruo Ashikawa | 2024-02-06 |
| 9336822 | Recording tape cartridge and brake member provided thereto | — | 2016-05-10 |
| 9070404 | Recording tape cartridge | Kenji Takenoshita | 2015-06-30 |
| 8955782 | Tape guiding member | — | 2015-02-17 |
| 8910893 | Drive device | — | 2014-12-16 |
| 8123158 | Reel and recording tape cartridge | Ren Ishikawa, Yosuke Sumiya, Shigeru Nishiyama | 2012-02-28 |
| 7997519 | Recording tape cartridge | Kiyoo Morita, Kenji Takenoshita | 2011-08-16 |
| 7913946 | Insert body, reel, and recording tape cartridge | Ren Ishikawa, Yasuhiro Mori | 2011-03-29 |
| 7841554 | Recording tape cartridge | Kenji Takenoshita | 2010-11-30 |
| 7770834 | Recording tape cartridge | Shigeru Nishiyama | 2010-08-10 |
| 7690594 | Recording tape cartridge | Kenji Takenoshita, Kiyoo Morita | 2010-04-06 |
| 7677488 | Recording tape cartridge | — | 2010-03-16 |
| 7562839 | Recording tape cartridge | Kenji Takenoshita, Kiyoo Morita | 2009-07-21 |
| 7559500 | Recording tape cartridge | — | 2009-07-14 |
| 7530518 | Recording tape cartridge | — | 2009-05-12 |
| 7520462 | Recording tape cartridge | Kenji Takenoshita, Kiyoo Morita | 2009-04-21 |
| 7483241 | Recording tape cartridge | — | 2009-01-27 |
| 7475839 | Recording tape cartridge | Kiyoo Morita, Kenji Takenoshita | 2009-01-13 |
| 7471487 | Recording medium cartridge | Shozo Onmori, Makoto Sato | 2008-12-30 |
| 7438249 | Recording medium cartridge and fabrication method thereof | — | 2008-10-21 |
| 7426094 | Magnetic tape cassettes and processes for producing them | — | 2008-09-16 |
| 7419115 | Magnetic tape cassettes and processes for producing them | — | 2008-09-02 |
| 7416148 | Recording tape cartridge | — | 2008-08-26 |