Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6606385 | Data encrypting/decrypting conversion methods and apparatuses and data communication system adopting the same | Makoto Aikawa, Kazuo Takaragi, Hiroyuki Koreeda, Manabu Sasamoto, Hiroo Okamoto +2 more | 2003-08-12 |
| 6600870 | Input-output circuit, recording apparatus and reproduction apparatus for digital video signal | Hiroo Okamoto, Kyoichi Hosokawa, Hitoaki Owashi, Hiroaki Tachibana | 2003-07-29 |