Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7515370 | Recorder and cassette containing recording medium | Tatsuo Tsujibayashi, Mitsuru Harada, Mutsuko Ochiai | 2009-04-07 |
| 7113368 | Recording and reproducing apparatus for preventing erroneous erasure | Takahiro Fukutani, Minoru Ootsuka, Katsuya Kamada | 2006-09-26 |