Inventor · disambiguated record
Hisao Mase
Also filed as: MASE HISAO
7 granted patents·463 citations·filing 1993–2000
90Inventor score
Files withHITACHI LTD7
Top patents by PatentIndex Score
7 records- 0190US6401073B1Method and system for managing workflowHITACHI LTD·Filed 2000·Granted Jun 4, 2002·66 cites·9 claims
- 0282US6807544B1Method and system for information retrieval based on parts of speech conditionsHITACHI LTD·Filed 2000·Granted Oct 19, 2004·50 cites·13 claims
- 0382US5978820AText summarizing method and systemHITACHI LTD·Filed 1996·Granted Nov 2, 1999·104 cites·18 claims
- 0466US5878398AMethod and system for managing workflow of electronic documentsHITACHI LTD·Filed 1996·Granted Mar 2, 1999·126 cites·9 claims
- 0558US5557789AText retrieval method and apparatus based on a handwritten keywordHITACHI LTD·Filed 1994·Granted Sep 17, 1996·36 cites·8 claims
- 0657US6038541AMethod and system for managing workflow of electronic documentsHITACHI LTD·Filed 1999·Granted Mar 14, 2000·75 cites·7 claims
- 0732US5551036AMethod and system for generating operation specification object informationHITACHI LTD·Filed 1993·Granted Aug 27, 1996·6 cites·21 claims
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