Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6553177 | Information recording and reproducing system | Yuji Shimizu, Takayoshi Noguchi, Takashi Irisawa, Hidehiro Ishii, Eiji Muramatsu | 2003-04-22 |
| 6507541 | Information recording apparatus | Shinji Suzuki, Masayoshi Yoshida, Hiroshi Suzuki | 2003-01-14 |