Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7982141 | Coordinate detecting device, writing instrument, and coordinate inputting system | Sadao Takahashi, Satoshi Suga, Toshiyuki Furuta, Hirofumi Horikawa, Yuuta Hamada | 2011-07-19 |
| 7973960 | Document processing system | Toshiyuki Furuta, Naoki Kozuka, Satoshi Suga, Sadao Takahashi, Yasuhiro Sato +3 more | 2011-07-05 |
| 7787712 | Electronic document creating apparatus | Sadao Takahashi, Hirofumi Horikawa, Yuuta Hamada, Satoshi Suga, Toshiyuki Furuta | 2010-08-31 |
| 7712664 | 2-dimensional code pattern, 2-dimensional code pattern supporting medium, 2-dimensional code pattern generating method, and 2-dimensional code reading apparatus and method | Sadao Takahashi, Taiga Asano, Makoto Yamasaki, Toshiyuki Furuta, Nobuyuki Doi +1 more | 2010-05-11 |
| 7505160 | Paper identification information management system | Toshiyuki Furuta, Taiga Asano, Nobuyuki Doi, Hitoshi Hattori, Sadao Takahashi +1 more | 2009-03-17 |
| 7489415 | Document processing system | Toshiyuki Furuta, Naoki Kozuka, Satoshi Suga, Sadao Takahashi, Yasuhiro Sato +3 more | 2009-02-10 |
| 7098898 | Information recording medium and information processing apparatus | Hitoshi Hattori, Toshiyuki Furuta | 2006-08-29 |
| 6974917 | Information recording medium and information processing apparatus | Hitoshi Hattori, Toshiyuki Furuta | 2005-12-13 |
| 6959866 | 2-Dimensional code pattern, 2-dimensional code pattern supporting medium, 2-dimensional code pattern generating method, and 2-dimensional code reading apparatus and method | Sadao Takahashi, Taiga Asano, Makoto Yamasaki, Toshiyuki Furuta, Nobuyuki Doi +1 more | 2005-11-01 |
| D510090 | Bar code reader | Hiroshi Obara, Hitoshi Hattori, Toshiyuki Furuta | 2005-09-27 |
| 6935565 | Imaging method, imaging apparatus, and image information management system | Shigeaki Nimura, Hitoshi Hattori, Nobuyuki Doi, Toshiyuki Furuta, Taiga Asano +2 more | 2005-08-30 |
| 6677273 | Erasable recording material capable of inputting additional information written thereon and information recording system and information recording method using the recording material | Masafumi Torii, Hiroaki Matsui, Kyoji Tsutsui, Hitoshi Hattori, Toshiyuki Furuta | 2004-01-13 |
| 6651894 | Imaging method, imaging apparatus, and image information management system | Shigeaki Nimura, Hitoshi Hattori, Nobuyuki Doi, Toshiyuki Furuta, Taiga Asano +2 more | 2003-11-25 |
| 6518960 | Electronic blackboard system | Katsuyuki Omura, Kunikazu Tsuda, Makoto Tanaka, Takashi Kitaguchi, Toshiyuki Furuta +2 more | 2003-02-11 |
| 6432518 | Erasable recording material capable of inputting additional information written thereon and information recording system and information recording method using the recording material | Masafumi Torii, Hiroaki Matsui, Kyoji Tsutsui, Hitoshi Hattori, Toshiyuki Furuta | 2002-08-13 |