Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12430496 | Iteratively updating a document structure to resolve disconnected text in element blocks | Daiki Tsuzuku, Shunsuke Ishikawa, Yasumasa Kajinaga, Keisuke Nitta, Tohru Hasegawa | 2025-09-30 |
| 11361030 | Positive/negative facet identification in similar documents to search context | Daiki Tsuzuku, Tohru Hasegawa, Shunsuke Ishikawa, Keisuke Nitta, Yasumasa Kajinaga | 2022-06-14 |
| 10585928 | Large scale facet counting on sliced counting lists | Takashi Fukuda, Hiroaki Kikuchi, Shimpei Yotsukura | 2020-03-10 |
| 10585929 | Large scale facet counting on sliced counting lists | Takashi Fukuda, Hiroaki Kikuchi, Shimpei Yotsukura | 2020-03-10 |
| 10552433 | Evaluating quality of annotation | Ken Kumagai, Takuma Murakami, Akihiro Nakayama | 2020-02-04 |
| 10545971 | Evaluating quality of annotation | Ken Kumagai, Takuma Murakami, Akihiro Nakayama | 2020-01-28 |
| 10282356 | Evaluating quality of annotation | Ken Kumagai, Takuma Murakami, Akihiro Nakayama | 2019-05-07 |
| 10282418 | Supporting interactive text mining process with natural language and dialog | Shunsuke Ishikawa, Hiroaki Kikuchi, Yutaka Moriya | 2019-05-07 |
| 10262043 | Evaluating quality of annotation | Ken Kumagai, Takuma Murakami, Akihiro Nakayama | 2019-04-16 |
| 9996527 | Supporting interactive text mining process with natural language and dialog | Shunsuke Ishikawa, Hiroaki Kikuchi, Yutaka Moriya | 2018-06-12 |
| 9164964 | Context-aware text document analysis | Hiroaki Kikuchi, Takuma Murakami, Fumihiko Terui | 2015-10-20 |
| 8930373 | Searching with exclusion tokens | Fumihiko Terui | 2015-01-06 |
| 8639707 | Retrieval device, retrieval system, retrieval method, and computer program for retrieving a document file stored in a storage device | Hirofumi Nishikawa, Fumihiko Terui | 2014-01-28 |
| 8229934 | System and program for collecting documents | Osamu Furusawa, Fumihiko Terui | 2012-07-24 |