Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8478759 | Information presentation apparatus and mobile terminal | Takayuki Akiyama, Masaaki Tanizaki, Kiyohiro Obara, Takashi Onoyama, Takashi Hashimoto | 2013-07-02 |
| 7707139 | Method and apparatus for searching and displaying structured document | Takuya Okamoto, Toru Takahashi, Yuki Aoyama, Eiko Murata | 2010-04-27 |
| 7107527 | Method and system for management of structured document and medium having processing program therefor | Toru Takahashi, Yoshifumi Sato | 2006-09-12 |
| 6745202 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Hisamitsu Kawaguchi | 2004-06-01 |
| 6535875 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Hisamitsu Kawaguchi | 2003-03-18 |
| 6510425 | Document search method for registering documents, generating a structure index with elements having position of occurrence in documents represented by meta-nodes | Takuya Okamoto, Toru Takahashi, Hisamitsu Kawaguchi, Katsumi Tada | 2003-01-21 |
| 6490583 | Information registration method and document information processing apparatus | Katsumi Tada, Kazuhiro Hashimoto, Shigeru Kameda, Akio Azuma | 2002-12-03 |
| 6434551 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Hisamitsu Kawaguchi | 2002-08-13 |
| 6389413 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Hisamitsu Kawaguchi | 2002-05-14 |
| 6377946 | Document search method and apparatus and portable medium used therefor | Takuya Okamoto, Toru Takahashi, Hisamitsu Kawaguchi, Katsumi Tada | 2002-04-23 |
| 6334130 | Information registration method and document information processing apparatus | Katsumi Tada, Kazuhiro Hashimoto, Shigeru Kameda, Akio Azuma | 2001-12-25 |
| 6226632 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Hisamitsu Kawaguchi | 2001-05-01 |
| 6178422 | Information registration method and document information processing apparatus | Katsumi Tada, Kazuhiro Hashimoto, Shigeru Kameda, Akio Azuma | 2001-01-23 |
| 6105022 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Hisamitsu Kawaguchi | 2000-08-15 |
| 5970485 | News clipping method and system | Natsuko Sugaya, Hisamitsu Kawaguchi | 1999-10-19 |
| 5887171 | Document management system integrating an environment for executing an agent and having means for changing an agent into an object | Katsumi Tada, Kazuhiro Hashimoto, Shigeru Kameda, Yoshiki Matsuda, Tetsuya Hashimoto +1 more | 1999-03-23 |
| 4980829 | Method and system for language translation | Atsushi Okajima, Fumiyuki Yamano, Eri Katagiri, Yuichi Inaba | 1990-12-25 |