Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8073312 | Recorder equipped with dubbing function | Takashi Yoshimaru, Hiroaki Ono, Katsuyuki Watanabe, Kyuichirou Nagai, Hidekazu Takeda | 2011-12-06 |
| 6895393 | Electronic book distributing system by use of purchase certificate and devices therefor | Toru Numata, Tadashi Kuwabara, Hiroshi Shimizu, Misuzu Mochizuki, Yukinobu Tada +6 more | 2005-05-17 |
| 5808704 | Rear projection type image display apparatus | Hiroki Yoshikawa, Takahiko Yoshida, Kiyoshi Wada, Shigeru Mori, Tetsu Ohishi +12 more | 1998-09-15 |