Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5467458 | Optical character reader with internal memory and data processor | Katsunori Takeda, Shinsuke Otsuka, Yoshiharu Takahashi, Kazuhiko Takata, Shoichi Maeda +1 more | 1995-11-14 |
| 4727502 | Programmable electronic calculator | Tsutomu Takahara, Yusuke Suzuoki, Junji Tanaka | 1988-02-23 |
| 4658270 | Recording apparatus | Keiji Yao, Kazuya Koyama | 1987-04-14 |