Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10102267 | Method and apparatus for access control | Kazuhiko Inoue, Nozomi Minami | 2018-10-16 |
| RE35329 | Electronic blackboard and accessories such as writing tools | Azuma Murakami, Kazuo Aoki, Tsuguya Yamanami, Yoshiaki Tomofuji, Takeshi Tanaka +3 more | 1996-09-17 |
| RE34187 | Coordinates input system | Tsuguya Yamanami, Azuma Murakami | 1993-03-02 |
| 5134388 | Electronic blackboard system marker and eraser therefor | Azuma Murakami, Tsuguya Yamanami, Yoshiaki Tomofuji, Satoshi Inashima, Hiroshi Mizuno | 1992-07-28 |
| 5134689 | Coordinate input system and input implement used in the system | Azuma Murakami, Tsuguya Yamanami, Takahiko Funahashi, Toshihide Chikami | 1992-07-28 |
| RE33805 | Coordinates input apparatus | Tsuguya Yamanami, Azuma Murakami | 1992-01-28 |
| 5028745 | Position detecting apparatus | Tsuguya Yamanami, Takahiko Funahashi | 1991-07-02 |
| 5023408 | Electronic blackboard and accessories such as writing tools | Azuma Murakami, Kazuo Aoki, Tsuguya Yamanami, Yoshiaki Tomofuji, Takeshi Tanaka +3 more | 1991-06-11 |
| 4988837 | Position detecting device | Azuma Murakami, Tsuguya Yamanami, Takahiko Funahashi, Kazuo Aoki, Keiichi Siguyama +3 more | 1991-01-29 |
| 4948926 | Position detecting apparatus | Azuma Murakami, Tsuguya Yamanami, Takahiko Funahashi | 1990-08-14 |
| 4902858 | Coordinates input apparatus | Tsuguya Yamanami | 1990-02-20 |
| 4878553 | Position detecting apparatus | Tsuguya Yamanami, Takahiko Funahashi | 1989-11-07 |
| 4786765 | Coordinates input system | Tsuguya Yamanami, Azuma Murakami | 1988-11-22 |