Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745202 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Noriyuki Yamasaki | 2004-06-01 |
| 6724477 | Inspection method for lens products, and apparatus for the same | Masatoshi Kitamura | 2004-04-20 |
| 6535875 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Noriyuki Yamasaki | 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, Katsumi Tada, Noriyuki Yamasaki | 2003-01-21 |
| 6434551 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Noriyuki Yamasaki | 2002-08-13 |
| 6389413 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Noriyuki Yamasaki | 2002-05-14 |
| 6377946 | Document search method and apparatus and portable medium used therefor | Takuya Okamoto, Toru Takahashi, Katsumi Tada, Noriyuki Yamasaki | 2002-04-23 |
| 6226632 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Noriyuki Yamasaki | 2001-05-01 |
| 6105022 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Noriyuki Yamasaki | 2000-08-15 |
| 6094647 | Presearch type document search method and apparatus | Kanji Kato, Hiromichi Fujisawa, Mitsuo Ooyama, Atsushi Hatakeyama, Noriyuki Kaneoka +4 more | 2000-07-25 |
| 5970485 | News clipping method and system | Natsuko Sugaya, Noriyuki Yamasaki | 1999-10-19 |
| 5757983 | Document retrieval method and system | Mitsuru Akizawa, Kanji Kato, Atsushi Hatakeyama, Hiromichi Fujisawa | 1998-05-26 |
| 5748953 | Document search method wherein stored documents and search queries comprise segmented text data of spaced, nonconsecutive text elements and words segmented by predetermined symbols | Natsuko Mizutani, Atsushi Hatakeyama, Katsumi Tada, Kanji Kato, Satoshi Asakawa | 1998-05-05 |
| 5745745 | Text search method and apparatus for structured documents | Katsumi Tada, Atsushi Hatakeyama, Natsuko Mizutani, Kanji Kato, Satoshi Asakawa | 1998-04-28 |
| 5548724 | File server system and file access control method of the same | Mitsuru Akizawa, Hirofumi Yamashita, Katsumi Tada, Kanji Kato, Akira Kito +1 more | 1996-08-20 |
| 5519857 | Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus | Kanji Kato, Hiromichi Fujisawa, Mitsuo Ooyama, Atsushi Hatakeyama, Noriyuki Kaneoka +4 more | 1996-05-21 |
| 5471610 | Method for character string collation with filtering function and apparatus | Katsumi Tada, Kanji Kato, Masatsugu Shinozaki | 1995-11-28 |
| 5469354 | Document data processing method and apparatus for document retrieval | Atsushi Hatakeyama, Hiromichi Fujisawa, Kanji Kato, Naoki Minegishi, Katsumi Tada +1 more | 1995-11-21 |
| 5454105 | Document information search method and system | Atsushi Hatakeyama, Kanji Kato, Satoshi Asakawa | 1995-09-26 |
| 5452451 | System for plural-string search with a parallel collation of a first partition of each string followed by finite automata matching of second partitions | Mitsuru Akizawa, Kanji Kato, Atsushi Hatakeyama, Kouki Noguchi, Hiromichi Fujisawa | 1995-09-19 |
| 5278981 | Character stream search apparatus using a finite state automation | Kanji Kato, Hiromichi Fujisawa, Masaaki Fujinawa, Atsushi Hatakeyama | 1994-01-11 |
| 5220625 | Information search terminal and system | Atsushi Hatakeyama, Hiroe Ando, Kanji Kato, Satoshi Asakawa | 1993-06-15 |
| 5168533 | Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus | Kanji Kato, Hiromichi Fujisawa, Mitsuo Ooyama, Atsushi Hatakeyama, Noriyuki Kaneoka +4 more | 1992-12-01 |
| 5140644 | Character string retrieving system and method | Kanji Kato, Atsushi Hatakeyama, Hiromichi Fujisawa, Masaaki Fujinawa, Masaharu Murakami +1 more | 1992-08-18 |
| 5138669 | Range-conditional character string retrieving method and system | Takanori Shimura, Kanji Kato, Atsushi Hatakeyama, Mitsuru Akizawa | 1992-08-11 |