Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6560511 | Electronic pet system, network system, robot, and storage medium | Naohiro Yokoo, Masakazu Hattori, Masahiro Fujita, Naoyasu Hosonuma | 2003-05-06 |
| 6510412 | Method and apparatus for information processing, and medium for provision of information | Takashi Sasai, Masakazu Hattori | 2003-01-21 |