Inventor · disambiguated record
Masaaki Ishikawa
Also filed as: ISHIKAWA MASAAKI
60 granted patents·9 pending applications·1,902 citations·filing 1981–2021
99Inventor score
Top patents by PatentIndex Score
69 records- 0199US5426294AGlare sensor for a vehicleKOITO MFG CO LTD·Filed 1993·Granted Jun 20, 1995·667 cites·35 claims
- 0297US5143442APortable projection deviceTAMAPACK KK·Filed 1991·Granted Sep 1, 1992·87 cites·10 claims
- 0395US9661257B2Projection system, image processing device, and projection methodISHIKAWA MASAAKI·Filed 2014·Granted May 23, 2017·19 cites·15 claims
- 0494US5594415ADisplay device for a vehicleTAMAPACK KK·Filed 1995·Granted Jan 14, 1997·122 cites·9 claims
- 0594US5488462AElectrophotographic apparatus having developing device with seals for preventing toner leakageTOSHIBA KK·Filed 1994·Granted Jan 30, 1996·52 cites·10 claims
- 0694US5339226AProjection head lamp for carsKOITO MFG CO LTD·Filed 1993·Granted Aug 16, 1994·98 cites·8 claims
- 0794US4953196AImage transmission systemRICOH KK·Filed 1988·Granted Aug 28, 1990·111 cites·18 claims
- 0892US4457507ASheet feeding apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Jul 3, 1984·39 cites·7 claims
- 0991US5379196AProjection headlamp for vehiclesKOITO MFG CO LTD·Filed 1993·Granted Jan 3, 1995·71 cites·8 claims
- 1090US10602102B2Projection system, image processing apparatus, projection methodRICOH CO LTD·Filed 2018·Granted Mar 24, 2020·7 cites·14 claims
- 1190US9818377B2Projection system, image processing apparatus, and correction methodISHIKAWA MASAAKI·Filed 2015·Granted Nov 14, 2017·6 cites·18 claims
- 1289US9781395B2Projection system, image processing apparatus, and computer-readable storage mediumRICOH CO LTD·Filed 2016·Granted Oct 3, 2017·7 cites·7 claims
- 1388US10091475B2Projection system, image processing apparatus, and calibration methodISHIKAWA MASAAKI·Filed 2016·Granted Oct 2, 2018·6 cites·15 claims
- 1487US5463370ADisplay device for a vehicleTAMAPACK KK·Filed 1993·Granted Oct 31, 1995·48 cites·24 claims
- 1586US6627544B2Method of making a metal film patternSHARP KK·Filed 2002·Granted Sep 30, 2003·37 cites·17 claims
- 1685US7609851B2Embedding data into document and extracting embedded data from documentRICOH KK·Filed 2006·Granted Oct 27, 2009·9 cites·17 claims
- 1785US5655178AElectrophotographic apparatus having cleaning device and developing device configured to prevent toner leakageTOSHIBA KK·Filed 1995·Granted Aug 5, 1997·35 cites·5 claims
- 1884US8208179B2Apparatus, system, and method for image processingISHIKAWA MASAAKI·Filed 2009·Granted Jun 26, 2012·8 cites·17 claims
- 1984US7548340B2Method, program, and apparatus for prohibiting a reproduction of an anti-copy document, and a medium storing the programRICOH KK·Filed 2004·Granted Jun 16, 2009·25 cites·56 claims
- 2083US4667244APaper feeding apparatusTOSHIBA KK·Filed 1984·Granted May 19, 1987·27 cites·15 claims
- 2182US9532018B2Projection system, device and method for the output of calibration projection scenesISHIKAWA MASAAKI·Filed 2014·Granted Dec 27, 2016·10 cites·11 claims
- 2282US5373424AAutomotive projection headlampKOITO MFG CO LTD·Filed 1993·Granted Dec 13, 1994·47 cites·15 claims
- 2379US9348212B2Image projection system and image projection methodISHIKAWA MASAAKI·Filed 2014·Granted May 24, 2016·3 cites·8 claims
- 2479US6516424B2System for providing reliable and effective disaster reliefHITACHI LTD·Filed 2001·Granted Feb 4, 2003·17 cites·14 claims
- 2579US4447959AInstrument for measuring internal dimensionsMITUTOYO MFG CO LTD·Filed 1982·Granted May 15, 1984·27 cites·12 claims
- 2677US5343371AVehicular projection-type headlampKOITO MFG CO LTD·Filed 1993·Granted Aug 30, 1994·37 cites·15 claims
- 2776US5412543AVariable light distribution type headlampKOITO MFG CO LTD·Filed 1993·Granted May 2, 1995·34 cites·5 claims
- 2875US8180102B2Image processing device, image processing method, program, and recording mediumABE YASUSHI·Filed 2008·Granted May 15, 2012·4 cites·15 claims
- 2975US8009305B2Method, program, and apparatus for detecting a copy-prohibited document and prohibiting a reproduction of the detected copy prohibited documentRICOH CO LTD·Filed 2004·Granted Aug 30, 2011·13 cites·20 claims
- 3073US4851926AElectrophotographic recording apparatus for a facsimile deviceTOSHIBA KK·Filed 1988·Granted Jul 25, 1989·18 cites·16 claims
- 3172US8549021B2Apparatus, method, and system of controlling setting information for confidential documentISHIKAWA MASAAKI·Filed 2009·Granted Oct 1, 2013·3 cites·14 claims
- 3271US6289131B1Method for encoding wavelet coefficientsRICOH KK·Filed 1998·Granted Sep 11, 2001·40 cites·7 claims
- 3369US9737573B2Preventive and/or ameliorative agent for diseases, stamina enhancement agent, anti-fatigue agent, and pharmaceutical and food and drink using themTFK CO LTD·Filed 2014·Granted Aug 22, 2017·2 cites·1 claims
- 3469US6798032B2Metal film pattern and manufacturing method thereofSHARP KK·Filed 2003·Granted Sep 28, 2004·12 cites·20 claims
- 3568US7599081B2Detecting and protecting a copy guarded documentRICOH KK·Filed 2005·Granted Oct 6, 2009·2 cites·26 claims
- 3667US9200773B2Inclination sensor device and vehicle lamp system using the sameKOITO MFG CO LTD·Filed 2013·Granted Dec 1, 2015·1 cites·9 claims
- 3766US8325361B2Apparatus, system, and method for image processing for generating and/or managing a confidential documentSHIMURA HIROSHI·Filed 2008·Granted Dec 4, 2012·2 cites·16 claims
- 3865US7720290B2Method, program, and apparatus for detecting specific information included in image data of original image, and computer-readable storing medium storing the programRICOH KK·Filed 2004·Granted May 18, 2010·6 cites·56 claims
- 3964US6513958B2Vehicle lamp systemKOITO MFG CO LTD·Filed 2001·Granted Feb 4, 2003·10 cites·11 claims
- 4063US5038202AImage transmission systemRICOH KK·Filed 1989·Granted Aug 6, 1991·16 cites·11 claims
- 4161US5993033ALevelling apparatus for vehicle lampKOITO MFG CO LTD·Filed 1998·Granted Nov 30, 1999·20 cites·10 claims
- 4261US5188057ADeveloping apparatusTOSHIBA KK·Filed 1990·Granted Feb 23, 1993·15 cites·18 claims
- 4360US7684637B2Method, computer program, and apparatus for detecting specific information included in image data of original image with accuracy, and computer readable storing medium storing the programRICOH KK·Filed 2004·Granted Mar 23, 2010·7 cites·39 claims
- 4453US8339678B2Apparatus, system, and method of process control based on the determination of embedded informationISHIKAWA MASAAKI·Filed 2009·Granted Dec 25, 2012·0 cites·19 claims
- 4553US8228551B2Image processing method and image processing apparatusISHIKAWA MASAAKI·Filed 2009·Granted Jul 24, 2012·0 cites·5 claims
- 4652US8553927B2Image processing device and method for determining image data processes based on additional informationISHIKAWA MASAAKI·Filed 2008·Granted Oct 8, 2013·0 cites·14 claims
- 4752US8259991B2Image processing apparatus and image processing methodISHIKAWA MASAAKI·Filed 2007·Granted Sep 4, 2012·0 cites·17 claims
- 4852US8238599B2Image processing device and image processing method for identifying a selected one or more embedding methods used for embedding target informationISHIKAWA MASAAKI·Filed 2007·Granted Aug 7, 2012·0 cites·6 claims
- 4952US8107121B2Image processing device, image processing method, and recording method for managing log of output image dataSHIMURA HIROSHI·Filed 2008·Granted Jan 31, 2012·0 cites·10 claims
- 5051US8325970B2Apparatus, method, and computer product for image processingISHIKAWA MASAAKI·Filed 2008·Granted Dec 4, 2012·0 cites·8 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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