Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449518 | Storage medium, robot, information processing device and electronic pet system | Yasuhiko Kato, Masakazu Hattori, Masahiro Fujita, Hiroaki Kitano | 2002-09-10 |
| 6438457 | Storage medium, robot, information processing device and electronic pet system | Yasuhiko Kato, Masakazu Hattori, Masahiro Fujita, Hiroaki Kitano | 2002-08-20 |