Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8176538 | Information processing system, recording medium storing control program, and computer data signal embodied in a carrier wave | Kenichiro Kigo | 2012-05-08 |
| 6690794 | Electronic ticket system | Taro Terao, Mitsuhisa Kamei | 2004-02-10 |
| 6389536 | Device for verifying use qualifications | — | 2002-05-14 |
| 6108676 | Document processing apparatus, document type determining method, and hierarchical regular expression determining method | — | 2000-08-22 |
| 5926823 | Document generic logical information editing apparatus | Yo Okumura, Go Uchida | 1999-07-20 |
| 5875441 | Document database management system and document database retrieving method | — | 1999-02-23 |
| 5802529 | Apparatus and method for document database management of documents having a plurality of document structures | Masaki Kyojima, Yo Okumura | 1998-09-01 |
| 5765177 | Document processing method and apparatus for searching documents having a graph based document logic structure | Koji Kusumoto, Makoto Murata | 1998-06-09 |
| 5752021 | Document database management apparatus capable of conversion between retrieval formulae for different schemata | Yo Okumura, Go Uchida | 1998-05-12 |
| 5727195 | Document retrieving object instructing apparatus | — | 1998-03-10 |