Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10344386 | Elastic cushion material and ion exchange membrane electrolytic cell utilizing same | Koji Kawanishi | 2019-07-09 |
| 9476130 | Electrolytic cell | Hiroki Suemoto, Fumio Sadahiro, Tsuyoshi Nomura, Kenji Sakamoto | 2016-10-25 |
| 8797257 | Display device having an image erasing circuit that is independent of the driving circuit and an image erasing method | — | 2014-08-05 |
| 8516559 | Content processing system, content processing method, computer program, recording medium, and portable terminal | Hideki Matsuda | 2013-08-20 |
| 8421744 | Information display having separate and detachable units | Fumio Koyama, Dai Tanaka | 2013-04-16 |
| 8032569 | Information management system, display system, management apparatus and program | Yasuo Oshita, Hidetsugu Obi, Hideki Matsuda, Junji Ajioka, James Dawson +3 more | 2011-10-04 |
| 7956852 | Information display system, information display apparatus, and position indicating apparatus | Junji Ajioka, Takeshi Ishikawa | 2011-06-07 |
| 7922879 | Ion exchange membrane electrolyzer | Shinichiro Yamamoto | 2011-04-12 |
| 7876312 | Writing device for color electronic paper | Kazunori Hiramatsu | 2011-01-25 |
| 7733324 | Display device and image erasing method | — | 2010-06-08 |
| 7598925 | Information display and information display system | Fumio Koyama, Tomohiro Mukai | 2009-10-06 |
| 7292231 | Writing device for color electronic paper | Kazunori Hiramatsu | 2007-11-06 |
| D523853 | Electronic display device | Takeshi Ishikawa, Kinko Okamura, Junji Ajioka | 2006-06-27 |
| 6710791 | Portable information gathering apparatus and information management method | Yoshiteru Uchiyama | 2004-03-23 |
| 6525715 | Portable information acquisition device | Yoshiteru Uchiyama | 2003-02-25 |
| 6417844 | Data processing apparatus and data processing method | — | 2002-07-09 |
| 6249275 | Portable information gathering apparatus and information gathering method performed thereby | — | 2001-06-19 |