Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39475 | Digitizer having flat tablet with magnetic shield plate | Yasuhiro Fukuzaki | 2007-01-23 |
| 6462733 | Digitizer, assisting apparatus for digitizer, and digitizer system | — | 2002-10-08 |
| 6362468 | Optical unit for detecting object and coordinate input apparatus using same | Yasuji Ogawa, Yasuhiro Fukuzaki | 2002-03-26 |
| 5706028 | Position indicator | Keiichi Sugiyama | 1998-01-06 |
| RE35329 | Electronic blackboard and accessories such as writing tools | Kazuo Aoki, Tsuguya Yamanami, Yoshiaki Tomofuji, Takeshi Tanaka, Satoshi Inashima +3 more | 1996-09-17 |
| 5466896 | Position detector | Tsuguya Yamanami, Takahiko Funahashi | 1995-11-14 |
| 5371835 | Inductively coupled neural network | Norio Akamatsu, Ryuichi Yamane, Yasuhiro Fukuzaki, Sadao Yamamoto | 1994-12-06 |
| 5325398 | Pulse count mode communication system | Hiroki MORII | 1994-06-28 |
| RE34187 | Coordinates input system | Tsuguya Yamanami, Toshiaki Senda | 1993-03-02 |
| 5148016 | Optical coordinate input apparatus and position indicator thereof | Norio Saito | 1992-09-15 |
| 5134689 | Coordinate input system and input implement used in the system | Tsuguya Yamanami, Takahiko Funahashi, Toshiaki Senda, Toshihide Chikami | 1992-07-28 |
| 5134388 | Electronic blackboard system marker and eraser therefor | Tsuguya Yamanami, Toshiaki Senda, Yoshiaki Tomofuji, Satoshi Inashima, Hiroshi Mizuno | 1992-07-28 |
| 5130500 | Digitizer having flat tablet with magnetic shield plate | Yasuhiro Fukuzaki | 1992-07-14 |
| RE33805 | Coordinates input apparatus | Tsuguya Yamanami, Toshiaki Senda | 1992-01-28 |
| 5059749 | Input/output apparatus and method therefor | Akio Kikuchi, Toshihide Chikami | 1991-10-22 |
| 5023408 | Electronic blackboard and accessories such as writing tools | Kazuo Aoki, Tsuguya Yamanami, Yoshiaki Tomofuji, Takeshi Tanaka, Satoshi Inashima +3 more | 1991-06-11 |
| 4999461 | Coordinates input apparatus | Teruyoshi Hagiwara, Yoichi Tuchida, Hideki Johno | 1991-03-12 |
| 4988837 | Position detecting device | Tsuguya Yamanami, Takahiko Funahashi, Toshiaki Senda, Kazuo Aoki, Keiichi Siguyama +3 more | 1991-01-29 |
| 4956526 | Digitizer having flat tablet with magnetic shield plate | Yasuhiro Fukuzaki | 1990-09-11 |
| 4948926 | Position detecting apparatus | Tsuguya Yamanami, Takahiko Funahashi, Toshiaki Senda | 1990-08-14 |
| 4848496 | Coordinates input apparatus | Teruyoshi Hagiwara, Yoichi Tuchida, Hideki Johno | 1989-07-18 |
| 4832144 | Position detector | Yoshinori Taguchi, Kenichi Takahashi, Takeshi Tanaka, Yoshiaki Tomofuji | 1989-05-23 |
| 4786765 | Coordinates input system | Tsuguya Yamanami, Toshiaki Senda | 1988-11-22 |
| 4709209 | Magnetostrictive vibration wave position detecting apparatus with variable threshold detecting valves | Yuji Katsurahira, Yoshinori Taguchi | 1987-11-24 |
| 4697244 | Coordinate input device with display and printer | Yoshinori Taguchi, Tsuguya Yamanami | 1987-09-29 |