Inventor · disambiguated record
Masahisa Tamura
Also filed as: TAMURA MASAHISA
100 granted patents·22 pending applications·494 citations·filing 1991–2025
99Inventor score
Top patents by PatentIndex Score
122 records- 0196US11994788B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2022·Granted May 28, 2024·2 cites·57 claims
- 0296US11126067B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2020·Granted Sep 21, 2021·5 cites·25 claims
- 0395US11143939B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2020·Granted Oct 12, 2021·4 cites·18 claims
- 0495US11143841B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2020·Granted Oct 12, 2021·4 cites·39 claims
- 0595US10620510B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2018·Granted Apr 14, 2020·8 cites·23 claims
- 0694US7734598B2Computer-readable recording medium having recorded hash-value generation program, computer-readable recording medium having recorded storage management program, and storage systemFUJITSU LTD·Filed 2006·Granted Jun 8, 2010·32 cites·12 claims
- 0793US11537028B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2021·Granted Dec 27, 2022·2 cites·51 claims
- 0893US10627704B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2018·Granted Apr 21, 2020·6 cites·28 claims
- 0993US8156381B2Storage management apparatus and storage systemTAMURA MASAHISA·Filed 2008·Granted Apr 10, 2012·37 cites·7 claims
- 1090US10775585B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2018·Granted Sep 15, 2020·5 cites·49 claims
- 1187USD899486SInterchangeable lens for cameraCANON KK·Filed 2019·Granted Oct 20, 2020·24 cites·1 claims
- 1287US10782598B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2018·Granted Sep 22, 2020·4 cites·32 claims
- 1386US10852625B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2020·Granted Dec 1, 2020·2 cites·52 claims
- 1486USD900194SInterchangeable lens for cameraCANON KK·Filed 2019·Granted Oct 27, 2020·23 cites·1 claims
- 1586USD900193SInterchangeable lens for cameraCANON KK·Filed 2019·Granted Oct 27, 2020·23 cites·1 claims
- 1684US12276900B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2024·Granted Apr 15, 2025·0 cites·53 claims
- 1784US11500270B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2021·Granted Nov 15, 2022·1 cites·24 claims
- 1883US7913042B2Virtual storage system control apparatus, virtual storage system control program and virtual storage system control methodFUJITSU LTD·Filed 2006·Granted Mar 22, 2011·14 cites·12 claims
- 1983US7085485B2Intermediate adapter and camera systemCANON KK·Filed 2004·Granted Aug 1, 2006·18 cites·9 claims
- 2082US8832113B2Data management apparatus and systemTAMURA MASAHISA·Filed 2012·Granted Sep 9, 2014·7 cites·20 claims
- 2182US8458425B2Computer program, apparatus, and method for managing dataTAMURA MASAHISA·Filed 2010·Granted Jun 4, 2013·7 cites·16 claims
- 2282US8234467B2Storage management device, storage system control device, storage medium storing storage management program, and storage systemNOGUCHI YASUO·Filed 2008·Granted Jul 31, 2012·12 cites·16 claims
- 2382US2025208489A1Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2025·Application pending·0 cites
- 2481US8230191B2Recording medium storing allocation control program, allocation control apparatus, and allocation control methodNOGUCHI YASUO·Filed 2010·Granted Jul 24, 2012·7 cites·9 claims
- 2579US9391622B2Oscillator circuit and frequency synthesizerSONY CORP·Filed 2015·Granted Jul 12, 2016·3 cites·10 claims
- 2678US8443138B2Recording medium storing management program, management device and management methodKUMANO TATSUO·Filed 2010·Granted May 14, 2013·6 cites·9 claims
- 2778US7483318B2Storage management process, storage management apparatus, and computer-readable medium storing storage management programFUJITSU LTD·Filed 2007·Granted Jan 27, 2009·9 cites·19 claims
- 2876US8843672B2Access method, computer and recording mediumOE KAZUICHI·Filed 2012·Granted Sep 23, 2014·4 cites·13 claims
- 2975USD900196SInterchangeable lens for cameraCANON KK·Filed 2019·Granted Oct 27, 2020·11 cites·1 claims
- 3075US8429369B2Storage management program, storage management method, and storage management apparatusOGIHARA KAZUTAKA·Filed 2009·Granted Apr 23, 2013·7 cites·18 claims
- 3175US7075384B2Delta-sigma modulated fractional-N PLL frequency synthesizer and wireless communication apparatusSONY ERICSSON MOBILE COMMUNICA·Filed 2005·Granted Jul 11, 2006·10 cites·8 claims
- 3274US8621054B2Computer-readable recording medium storing software update command program, software update command method, and information processing deviceMARUYAMA TETSUTARO·Filed 2009·Granted Dec 31, 2013·9 cites·16 claims
- 3373US11720006B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2021·Granted Aug 8, 2023·0 cites·16 claims
- 3472US11714257B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2021·Granted Aug 1, 2023·0 cites·39 claims
- 3572US8214823B2Cluster system, process for updating software, service provision node, and computer-readable medium storing service provision programTSUCHIYA YOSHIHIRO·Filed 2009·Granted Jul 3, 2012·5 cites·8 claims
- 3671USD900197SInterchangeable lens for cameraCANON KK·Filed 2019·Granted Oct 27, 2020·11 cites·1 claims
- 3771US10725907B2Information processing apparatus for specifying data region of garbage collection, information processing system and information processing methodFUJITSU LTD·Filed 2017·Granted Jul 28, 2020·1 cites·18 claims
- 3871US9218276B2Storage pool-type storage system, method, and computer-readable storage medium for peak load storage managementFUJITSU LTD·Filed 2012·Granted Dec 22, 2015·3 cites·15 claims
- 3970US8521983B2Program, apparatus and method for managing data allocation of distributed storage system including storage nodesOGIHARA KAZUTAKA·Filed 2009·Granted Aug 27, 2013·5 cites·18 claims
- 4070US8214620B2Computer-readable recording medium storing data storage program, computer, and method thereofWATANABE TAKASHI·Filed 2009·Granted Jul 3, 2012·4 cites·12 claims
- 4169US12474625B2Accessory, image pickup apparatus on which same is mountable, and camera systemCANON KK·Filed 2022·Granted Nov 18, 2025·0 cites·25 claims
- 4269US8185753B2Storage medium for storing power consumption monitor program, power consumption monitor apparatus and power consumption monitor methodOE KAZUICHI·Filed 2008·Granted May 22, 2012·9 cites·16 claims
- 4369US8032784B2Duplication combination management program, duplication combination management apparatus, and duplication combination management methodFUJITSU LTD·Filed 2009·Granted Oct 4, 2011·4 cites·10 claims
- 4469US7469134B2Mobile communication terminal apparatus, a variable gain amplifier circuit and a gain control circuitSONY ERICSSON MOBILE COMM JP·Filed 2004·Granted Dec 23, 2008·11 cites·7 claims
- 4568US8825968B2Information processing apparatus and storage control methodTAMURA MASAHISA·Filed 2012·Granted Sep 2, 2014·2 cites·6 claims
- 4668US5335115ALens barrelCANON KK·Filed 1993·Granted Aug 2, 1994·29 cites·33 claims
- 4767US8276017B2Process, apparatus, and program for system managementTAMURA MASAHISA·Filed 2009·Granted Sep 25, 2012·1 cites·11 claims
- 4867US8218066B2Interchangeable lens, interchangeable lens system and camera systemTSUKATANI EIRI·Filed 2004·Granted Jul 10, 2012·10 cites·10 claims
- 4966US7118295B2Interchangeable lens, interchangeable lens system and camera systemCANON KK·Filed 2004·Granted Oct 10, 2006·7 cites·23 claims
- 5064USD958869SAdapter for camera lensCANON KK·Filed 2020·Granted Jul 26, 2022·3 cites·1 claims
Showing the top 50 of 122 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →