Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807364 | Digital information recording-reproducing apparatus | Takao Arai, Takaharu Noguchi, Hiroo Okamoto, Shigeru Yamazaki | 2004-10-19 |
| 6763174 | Image recording and reproducing apparatus | Yasunori Ohara, Akira Saitou, Takeo Ohkouchi, Hiroo Okamoto | 2004-07-13 |
| 6731451 | Information management apparatus | Hiroaki Ono, Kiyoshi Kano, Hideo Nishijima, Takao Arai, Takaharu Noguchi +5 more | 2004-05-04 |