Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7375919 | Recording and reproducing apparatus | Takeharu Takasawa, Sunao Kushiro, Hiroshi Fujii, Takahiro Fukutani, Norio Ito | 2008-05-20 |
| 6819529 | Head drum device with carbon-containing synthetic resin upper drum and larger diameter intermediate drum | Tadashi Ooami, Junya Endo, Masanori Maehara, Masahiro Kiko, Tamami Mishiro | 2004-11-16 |