Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35329 | Electronic blackboard and accessories such as writing tools | Azuma Murakami, Kazuo Aoki, Yoshiaki Tomofuji, Takeshi Tanaka, Satoshi Inashima +3 more | 1996-09-17 |
| 5466896 | Position detector | Azuma Murakami, Takahiko Funahashi | 1995-11-14 |
| 5444190 | Sensing unit for a position detecting apparatus and its manufacturing method | Toshihide Chikami | 1995-08-22 |
| RE34187 | Coordinates input system | Toshiaki Senda, Azuma Murakami | 1993-03-02 |
| 5134689 | Coordinate input system and input implement used in the system | Azuma Murakami, Takahiko Funahashi, Toshiaki Senda, Toshihide Chikami | 1992-07-28 |
| 5134388 | Electronic blackboard system marker and eraser therefor | Azuma Murakami, Toshiaki Senda, Yoshiaki Tomofuji, Satoshi Inashima, Hiroshi Mizuno | 1992-07-28 |
| RE33805 | Coordinates input apparatus | Toshiaki Senda, Azuma Murakami | 1992-01-28 |
| RE33740 | Position detecting device | Yoshinori Taguchi | 1991-11-12 |
| 5028745 | Position detecting apparatus | Takahiko Funahashi, Toshiaki Senda | 1991-07-02 |
| 5023408 | Electronic blackboard and accessories such as writing tools | Azuma Murakami, Kazuo Aoki, Yoshiaki Tomofuji, Takeshi Tanaka, Satoshi Inashima +3 more | 1991-06-11 |
| 4988837 | Position detecting device | Azuma Murakami, Takahiko Funahashi, Toshiaki Senda, Kazuo Aoki, Keiichi Siguyama +3 more | 1991-01-29 |
| 4948926 | Position detecting apparatus | Azuma Murakami, Takahiko Funahashi, Toshiaki Senda | 1990-08-14 |
| 4902858 | Coordinates input apparatus | Toshiaki Senda | 1990-02-20 |
| 4890096 | Coordinate input device with display | Yoshinori Taguchi | 1989-12-26 |
| 4878553 | Position detecting apparatus | Takahiko Funahashi, Toshiaki Senda | 1989-11-07 |
| 4845478 | Coordinate input device with display | Yoshinori Taguchi | 1989-07-04 |
| 4786765 | Coordinates input system | Toshiaki Senda, Azuma Murakami | 1988-11-22 |
| 4704501 | Position detecting device | Yoshinori Taguchi | 1987-11-03 |
| 4697244 | Coordinate input device with display and printer | Azuma Murakami, Yoshinori Taguchi | 1987-09-29 |
| 4678870 | Position detecting device | Yoshinori Taguchi | 1987-07-07 |
| 4631356 | Coordinate input device with display | Yoshinori Taguchi | 1986-12-23 |
| 4617515 | Position detecting apparatus | Yoshinori Taguchi | 1986-10-14 |
| 4609776 | Coordinate input device with display | Azuma Murakami, Yoshinori Taguchi | 1986-09-02 |