Inventor · disambiguated record
Takehiro Fujita
Also filed as: FUJITA TAKEHIRO
54 granted patents·10 pending applications·1,964 citations·filing 1992–2024
99Inventor score
Top patents by PatentIndex Score
64 records- 0199US6741977B1Image recording/reproducing apparatus in monitor systemHITACHI LTD·Filed 2000·Granted May 25, 2004·309 cites·21 claims
- 0296US6750903B1Super high resolution cameraHITACHI LTD·Filed 1999·Granted Jun 15, 2004·252 cites·20 claims
- 0396US5513110ANavigation system and path search method using hierarchized road dataZANAVY INFORMATICS KK·Filed 1994·Granted Apr 30, 1996·184 cites·6 claims
- 0495US5602564AGraphic data processing systemHITACHI LTD·Filed 1992·Granted Feb 11, 1997·131 cites·9 claims
- 0594US6157744AMethod and apparatus for detecting a point of change in a moving imageHITACHI LTD·Filed 1996·Granted Dec 5, 2000·83 cites·44 claims
- 0694US5974219AControl method for detecting change points in motion picture images and for stopping reproduction thereof and control system for monitoring picture images utilizing the sameHITACHI LTD·Filed 1996·Granted Oct 26, 1999·78 cites·19 claims
- 0792US6321024B1Control method for detecting change points in motion picture images and for stopping reproduction thereof and control system for monitoring picture images utilizing the sameHITACHI LTD·Filed 1999·Granted Nov 20, 2001·64 cites·21 claims
- 0891US6600874B1Method and device for detecting starting and ending points of sound segment in videoHITACHI LTD·Filed 1997·Granted Jul 29, 2003·66 cites·26 claims
- 0990US5945976AGraphic data processing systemHITACHI LTD·Filed 1996·Granted Aug 31, 1999·150 cites·11 claims
- 1090US5377319AHelp guidance method utilizing an animated pictureHITACHI LTD·Filed 1993·Granted Dec 27, 1994·167 cites·16 claims
- 1185US10541749B2Optical wavelength multiplexing transmission apparatus and optical wavelength multiplexing transmission methodFUJITSU LTD·Filed 2019·Granted Jan 21, 2020·5 cites·10 claims
- 1284US7627244B2Optical transmission apparatus, continuity testing method therein, and optical transmission systemFUJITSU LTD·Filed 2005·Granted Dec 1, 2009·11 cites·15 claims
- 1382US7619813B2Wavelength division multiplexing device, an optical leakage prevention method, and a wavelength division multiplexing communication systemFUJITSU LTD·Filed 2005·Granted Nov 17, 2009·10 cites·8 claims
- 1482US7522839B2Method of upgrading optical node, and an optical node apparatusFUJITSU LTD·Filed 2005·Granted Apr 21, 2009·8 cites·11 claims
- 1581US8615167B2WDM optical transmission system and control method thereofSUGAYA YASUSHI·Filed 2011·Granted Dec 24, 2013·5 cites·11 claims
- 1681US5721692AMoving object detection apparatusHITACHI LTD·Filed 1996·Granted Feb 24, 1998·104 cites·20 claims
- 1779US5544052ADigital cartographic system for geographical information processingHITACHI LTD·Filed 1995·Granted Aug 6, 1996·76 cites·10 claims
- 1878US8693874B2Transmission system and method of correcting tilt of the transmission systemSUZUKI TOMOYUKI·Filed 2010·Granted Apr 8, 2014·6 cites·10 claims
- 1978US6256419B1Method and apparatus for detecting a point of change in a moving imageHITACHI LTD·Filed 2000·Granted Jul 3, 2001·22 cites·2 claims
- 2076US8306427B2WDM transmission apparatus, optical add-drop multiplexer and WDM transmission methodGOTO RYOSUKE·Filed 2009·Granted Nov 6, 2012·6 cites·14 claims
- 2174US7650072B2Method of upgrading optical node, and an optical node apparatusFUJITSU LTD·Filed 2009·Granted Jan 19, 2010·4 cites·16 claims
- 2273US7139347B2Parallel signal automatic phase adjusting circuitFUJITSU LTD·Filed 2001·Granted Nov 21, 2006·19 cites·21 claims
- 2372US11546627B2Moving picture decoding method and moving picture encoding methodMAXELL LTD·Filed 2021·Granted Jan 3, 2023·0 cites·1 claims
- 2472US11148891B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceARAI DAISUKE·Filed 2018·Granted Oct 19, 2021·1 cites·19 claims
- 2572US6023520AMethod and apparatus for detecting and displaying a representative image of a shot of short duration in a moving imageHITACHI LTD·Filed 1996·Granted Feb 8, 2000·36 cites·6 claims
- 2669US7248804B2Optical transmission device using a wide input dynamic range optical amplifierFUJITSU LTD·Filed 2004·Granted Jul 24, 2007·10 cites·9 claims
- 2768US11134263B2Moving picture decoding method and moving picture encoding methodMAXELL LTD·Filed 2020·Granted Sep 28, 2021·0 cites·2 claims
- 2867US6925245B1Method and medium for recording video informationHITACHI LTD·Filed 2000·Granted Aug 2, 2005·16 cites·19 claims
- 2967US6005493AMethod of displaying moving object for enabling identification of its moving route display system using the same, and program recording medium thereforHITACHI LTD·Filed 1997·Granted Dec 21, 1999·39 cites·37 claims
- 3066US10764599B2Moving picture decoding method and moving picture encoding methodMAXELL LTD·Filed 2019·Granted Sep 1, 2020·0 cites·2 claims
- 3166US9287992B2Wavelength division multiplexing transmission deviceFUJITSU LTD·Filed 2012·Granted Mar 15, 2016·2 cites·10 claims
- 3265US11973185B2Method for producing sulfide solid electrolyteIDEMITSU KOSAN CO·Filed 2021·Granted Apr 30, 2024·0 cites·16 claims
- 3364US6341168B1Method and apparatus for detecting and displaying a representative image of a shot of short duration in a moving imageHITACHI LTD·Filed 1999·Granted Jan 22, 2002·14 cites·86 claims
- 3463US9647793B2Measuring device, measurement method, and transmission systemFUJITSU LTD·Filed 2015·Granted May 9, 2017·1 cites·6 claims
- 3563US8681420B2Optical transmission systemSUGAYA YASUSHI·Filed 2011·Granted Mar 25, 2014·1 cites·12 claims
- 3663US7364698B2Automatic analyzerHITACHI HIGH TECH CORP·Filed 2004·Granted Apr 29, 2008·4 cites·1 claims
- 3762US10382775B2Moving picture decoding method and moving picture encoding methodMAXELL LTD·Filed 2018·Granted Aug 13, 2019·0 cites·2 claims
- 3862US2024158574A1Polyetheretherketone and method for producing the sameIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 3961US9560368B2Moving picture decoding method and moving picture encoding methodTAKAHASHI MASASHI·Filed 2009·Granted Jan 31, 2017·0 cites·1 claims
- 4061US8682167B2Optical transmission deviceKOBAYASHI HIDEKI·Filed 2008·Granted Mar 25, 2014·2 cites·6 claims
- 4161US7689131B2WDM systemFUJITSU LTD·Filed 2003·Granted Mar 30, 2010·5 cites·17 claims
- 4261US2025240094A1Optical transmission path characteristic estimation deviceFUJITSU LTD·Filed 2024·Application pending·0 cites
- 4360US9906808B2Moving picture decoding method and moving picture encoding methodHITACHI MAXELL·Filed 2016·Granted Feb 27, 2018·0 cites·1 claims
- 4460US7489876B2Optical transmission system having noise-elimination functionFUJITSU LTD·Filed 2004·Granted Feb 10, 2009·5 cites·12 claims
- 4560US5862508AMoving object detection apparatusHITACHI LTD·Filed 1998·Granted Jan 19, 1999·37 cites·20 claims
- 4659US6798908B2Surveillance apparatus and recording medium recorded surveillance programHITACHI LTD·Filed 2000·Granted Sep 28, 2004·11 cites·17 claims
- 4759US2024315244A1Antiviral coating agent, antiviral agent, laminated body, and package or containerNAT INST MATERIALS SCIENCE·Filed 2022·Application pending·0 cites
- 4858US6798909B2Surveillance apparatus and recording medium recorded surveillance programHITACHI LTD·Filed 2001·Granted Sep 28, 2004·10 cites·10 claims
- 4958US2024026086A1Polyphenol derivative and polymer materialTOPPAN INC·Filed 2021·Application pending·0 cites
- 5056US12334979B2Optical wavelength multiplexing transmission device and optical wavelength multiplexing transmission methodFUJITSU LTD·Filed 2022·Granted Jun 17, 2025·0 cites·8 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →