Inventor · disambiguated record
Hidefumi Masuzaki
Also filed as: MASUZAKI HIDEFUMI
35 granted patents·1,752 citations·filing 1984–2006
98Inventor score
Files withHITACHI LTD35
Top patents by PatentIndex Score
35 records- 0196US5189404ADisplay apparatus with rotatable display screenHITACHI LTD·Filed 1991·Granted Feb 23, 1993·194 cites·5 claims
- 0295US4831368ADisplay apparatus with rotatable display screenHITACHI LTD·Filed 1987·Granted May 16, 1989·103 cites·10 claims
- 0393US5819054AStorage system realizing scalability and fault toleranceHITACHI LTD·Filed 1997·Granted Oct 6, 1998·159 cites·27 claims
- 0493US5590317ADocument information compression and retrieval system and document information registration and retrieval methodHITACHI LTD·Filed 1993·Granted Dec 31, 1996·121 cites·16 claims
- 0592US5125045AImage processing systemHITACHI LTD·Filed 1988·Granted Jun 23, 1992·99 cites·41 claims
- 0685US5179649AMethod for generating title information entry format and method for filing images in image filing deviceHITACHI LTD·Filed 1989·Granted Jan 12, 1993·84 cites·30 claims
- 0784US5029112AImage information display system for displaying a plurality of image information pieces with a directed display stateHITACHI LTD·Filed 1988·Granted Jul 2, 1991·44 cites·6 claims
- 0881US6012119AStorage systemHITACHI LTD·Filed 1998·Granted Jan 4, 2000·31 cites·1 claims
- 0981US5625810AData file apparatus for registering and retrieving data files in accordance with attribute information thereofHITACHI LTD·Filed 1994·Granted Apr 29, 1997·51 cites·13 claims
- 1079US5181260AMethod for determining the amount of skew of image, method for correcting the same, and image data processing systemHITACHI LTD·Filed 1990·Granted Jan 19, 1993·87 cites·11 claims
- 1179US5140644ACharacter string retrieving system and methodHITACHI LTD·Filed 1991·Granted Aug 18, 1992·88 cites·12 claims
- 1278US6094647APresearch type document search method and apparatusHITACHI LTD·Filed 1997·Granted Jul 25, 2000·66 cites·10 claims
- 1378US4975977ARotation processing method of image and system thereforHITACHI LTD·Filed 1989·Granted Dec 4, 1990·56 cites·16 claims
- 1477US5539843AImage processing systemHITACHI LTD·Filed 1992·Granted Jul 23, 1996·36 cites·5 claims
- 1577US5519857AHierarchical 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
- 1676US5128748AImage processing system and apparatus for processing color documentsHITACHI LTD·Filed 1990·Granted Jul 7, 1992·42 cites·39 claims
- 1775US7444467B2Storage system having a semiconductor memory device which stores data and parity data permanentlyHITACHI LTD·Filed 2006·Granted Oct 28, 2008·4 cites·13 claims
- 1875US5471549AMethod 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
- 1974US5150458AElectronic image information filing apparatus displaying editing correctionsHITACHI LTD·Filed 1988·Granted Sep 22, 1992·49 cites·7 claims
- 2069US7120738B2Storage system having data format conversion functionHITACHI LTD·Filed 2001·Granted Oct 10, 2006·9 cites·30 claims
- 2168US5231482AImage filing apparatus and method for thereby encoding and storing various documentsHITACHI LTD·Filed 1990·Granted Jul 27, 1993·28 cites·44 claims
- 2267US6581128B2Storage systemHITACHI LTD·Filed 2001·Granted Jun 17, 2003·8 cites·2 claims
- 2367US5168533AHierarchical 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
- 2464US5235681AImage filing system for protecting partial regions of image data of a documentHITACHI LTD·Filed 1991·Granted Aug 10, 1993·42 cites·10 claims
- 2564US5030944ADisplay apparatus with rotatable display screenHITACHI LTD·Filed 1989·Granted Jul 9, 1991·19 cites·16 claims
- 2661US5369742AImage file and retrieving apparatus and methodHITACHI LTD·Filed 1991·Granted Nov 29, 1994·39 cites·12 claims
- 2761US5048101AElectronic filing deviceHITACHI LTD·Filed 1989·Granted Sep 10, 1991·16 cites·22 claims
- 2859US5081449AMethod and apparatus for displaying image informationHITACHI LTD·Filed 1989·Granted Jan 14, 1992·17 cites·30 claims
- 2953US6578100B1Storage system having plural busesHITACHI LTD·Filed 1999·Granted Jun 10, 2003·16 cites·31 claims
- 3053US4860114AMethod and apparatus for expanding two-dimensional compressional codeHITACHI LTD·Filed 1987·Granted Aug 22, 1989·16 cites·10 claims
- 3152US5335084ADocument image filing system having input color mode selecting capabilityHITACHI LTD·Filed 1992·Granted Aug 2, 1994·13 cites·4 claims
- 3249US5388167ADocument image processing system and document image processing methodHITACHI LTD·Filed 1992·Granted Feb 7, 1995·23 cites·4 claims
- 3339US5179683ARetrieval apparatus including a plurality of retrieval unitsHITACHI LTD·Filed 1989·Granted Jan 12, 1993·9 cites·11 claims
- 3437US5109272AMethod of superimposing color images and color image processing apparatusHITACHI LTD·Filed 1990·Granted Apr 28, 1992·6 cites·9 claims
- 3537US4692944AImage data processing systemHITACHI LTD·Filed 1984·Granted Sep 8, 1987·12 cites·19 claims
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