Inventor · disambiguated record
Hiromichi Fujisawa
Also filed as: FUJISAWA HIROMICHI
55 granted patents·4 pending applications·4,216 citations·filing 1977–2019
99Inventor score
Top patents by PatentIndex Score
59 records- 0197US9969590B2Horizontal-pull coating film transferring toolTOMBOW PENCIL·Filed 2017·Granted May 15, 2018·10 cites·20 claims
- 0297US6477239B1Sign language telephone deviceHITACHI LTD·Filed 2000·Granted Nov 5, 2002·217 cites·10 claims
- 0397US5404506AKnowledge based information retrieval systemHITACHI LTD·Filed 1992·Granted Apr 4, 1995·274 cites·16 claims
- 0496US5555408AKnowledge based information retrieval systemHITACHI LTD·Filed 1993·Granted Sep 10, 1996·177 cites·38 claims
- 0596US4985863ADocument storage and retrieval systemHITACHI LTD·Filed 1990·Granted Jan 15, 1991·313 cites·9 claims
- 0695US4153897AMethod and device for detecting the similarity between standard and unknown patternsHITACHI LTD·Filed 1977·Granted May 8, 1979·89 cites·11 claims
- 0793US5696916AInformation storage and retrieval system and display method thereforHITACHI LTD·Filed 1992·Granted Dec 9, 1997·157 cites·41 claims
- 0893US5051886ASystem for character stream search using finite state automaton techniqueHITACHI LTD·Filed 1988·Granted Sep 24, 1991·89 cites·14 claims
- 0993US4893188ADocument image entry systemHITACHI LTD·Filed 1988·Granted Jan 9, 1990·101 cites·16 claims
- 1092US5125045AImage processing systemHITACHI LTD·Filed 1988·Granted Jun 23, 1992·99 cites·41 claims
- 1191US6470091B2Address reader, sorting machine such as a mail thing and character string recognition methodHITACHI LTD·Filed 2001·Granted Oct 22, 2002·99 cites·30 claims
- 1291US5452451ASystem for plural-string search with a parallel collation of a first partition of each string followed by finite automata matching of second partitionsHITACHI LTD·Filed 1994·Granted Sep 19, 1995·93 cites·31 claims
- 1391US5218599AMethod of recording and reproduction of information using a recording medium available for information overlap recording, a recording medium and a recording and reproducing apparatus using the methodHITACHI LTD·Filed 1989·Granted Jun 8, 1993·46 cites·18 claims
- 1490US4868733ADocument filing system with knowledge-base network of concept interconnected by generic, subsumption, and superclass relationsHITACHI LTD·Filed 1986·Granted Sep 19, 1989·215 cites·8 claims
- 1589US6181778B1Chronological telephone systemHITACHI LTD·Filed 1995·Granted Jan 30, 2001·162 cites·33 claims
- 1689US5553226ASystem for displaying concept networksHITACHI LTD·Filed 1989·Granted Sep 3, 1996·99 cites·22 claims
- 1788US6182062B1Knowledge based information retrieval systemHITACHI LTD·Filed 1996·Granted Jan 30, 2001·158 cites·15 claims
- 1887US5021989ADocument browsing apparatus with concurrent processing and retrievelHITACHI LTD·Filed 1990·Granted Jun 4, 1991·135 cites·12 claims
- 1986US5469354ADocument data processing method and apparatus for document retrievalHITACHI LTD·Filed 1992·Granted Nov 21, 1995·148 cites·50 claims
- 2083US4937681APicture coding system for document imageHITACHI LTD·Filed 1989·Granted Jun 26, 1990·43 cites·13 claims
- 2182US7761347B2Method and system for identifying and managing radio frequency identification (RF-ID) attached objectsHITACHI LTD·Filed 2003·Granted Jul 20, 2010·25 cites·10 claims
- 2280US6246794B1Method of reading characters and method of reading postal addressesHITACHI LTD·Filed 1996·Granted Jun 12, 2001·134 cites·13 claims
- 2380US5628003ADocument storage and retrieval system for storing and retrieving document image and full text dataHITACHI LTD·Filed 1993·Granted May 6, 1997·75 cites·11 claims
- 2480US5265242ADocument retrieval system for displaying document image data with inputted bibliographic items and character string selected from multiple character candidatesFUJISAWA HIROMICHI·Filed 1987·Granted Nov 23, 1993·67 cites·4 claims
- 2580US4933984ADocument analysis systemHITACHI LTD·Filed 1989·Granted Jun 12, 1990·72 cites·9 claims
- 2679US5140644ACharacter string retrieving system and methodHITACHI LTD·Filed 1991·Granted Aug 18, 1992·88 cites·12 claims
- 2778US6094647APresearch type document search method and apparatusHITACHI LTD·Filed 1997·Granted Jul 25, 2000·66 cites·10 claims
- 2878US4654873ASystem and method for segmentation and recognition of patternsHITACHI LTD·Filed 1985·Granted Mar 31, 1987·72 cites·15 claims
- 2977US5539843AImage processing systemHITACHI LTD·Filed 1992·Granted Jul 23, 1996·36 cites·5 claims
- 3077US5519857AHierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatusHITACHI LTD·Filed 1992·Granted May 21, 1996·59 cites·8 claims
- 3176US6291785B1Address reader, sorting machine such as a mail thing and character string recognition methodHITACHI LTD·Filed 1999·Granted Sep 18, 2001·50 cites·3 claims
- 3276US5128748AImage processing system and apparatus for processing color documentsHITACHI LTD·Filed 1990·Granted Jul 7, 1992·42 cites·39 claims
- 3376US4757302AImage display apparatusHITACHI LTD·Filed 1986·Granted Jul 12, 1988·52 cites·7 claims
- 3475US10981746B2Coating film transfer toolTOMBOW PENCIL·Filed 2018·Granted Apr 20, 2021·1 cites·20 claims
- 3575US5471549AMethod of detecting and correcting a direction of image data and document image filing system employing the sameHITACHI LTD·Filed 1994·Granted Nov 28, 1995·69 cites·14 claims
- 3674US5574881AHigh capacity data storage method and system using independently controlled heads and circuitry for monitoring access frequency of data recordsHITACHI LTD·Filed 1995·Granted Nov 12, 1996·28 cites·6 claims
- 3770US5757983ADocument retrieval method and systemHITACHI LTD·Filed 1995·Granted May 26, 1998·82 cites·39 claims
- 3869US5268771AImage restoration processing system and methodHITACHI LTD·Filed 1991·Granted Dec 7, 1993·29 cites·41 claims
- 3969US4907285AImage understanding systemHITACHI LTD·Filed 1988·Granted Mar 6, 1990·48 cites·12 claims
- 4068US5231482AImage filing apparatus and method for thereby encoding and storing various documentsHITACHI LTD·Filed 1990·Granted Jul 27, 1993·28 cites·44 claims
- 4167US5168533AHierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatusHITACHI LTD·Filed 1990·Granted Dec 1, 1992·37 cites·56 claims
- 4266US5129016ASystem for registration of documentsHITACHI LTD·Filed 1990·Granted Jul 7, 1992·45 cites·26 claims
- 4366US2010282269A1Makeup-Assisting Patch and Makeup Method Using the PatchUCHIDA KAZUKO·Filed 2008·Application pending·0 cites
- 4465US5278981ACharacter stream search apparatus using a finite state automationHITACHI LTD·Filed 1991·Granted Jan 11, 1994·39 cites·6 claims
- 4564US5235681AImage filing system for protecting partial regions of image data of a documentHITACHI LTD·Filed 1991·Granted Aug 10, 1993·42 cites·10 claims
- 4664US4476495AMultilevel signal compression methodHITACHI LTD·Filed 1982·Granted Oct 9, 1984·35 cites·2 claims
- 4760US5576849AImage data transformation apparatus and image entry apparatusHITACHI LTD·Filed 1995·Granted Nov 19, 1996·25 cites·37 claims
- 4859US5572699AVariable length data in a parallel disk arrayHITACHI LTD·Filed 1993·Granted Nov 5, 1996·33 cites·30 claims
- 4956US5235653ADocument analysis systemHITACHI LTD·Filed 1992·Granted Aug 10, 1993·32 cites·15 claims
- 5056US2010217171A1Patch MaterialNICHIBAN KK·Filed 2008·Application pending·0 cites
Showing the top 50 of 59 patent records by PatentIndex Score.
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