Inventor · disambiguated record
Masami Shimizu
Also filed as: AIZAWA HIROSHI · HASHIMOTO TEIJI · KOIKE TAKAAKI · MURAKAMI HIROYASHU
86 granted patents·4 pending applications·1,800 citations·filing 1973–2020
99Inventor score
Files withCANON KK53ISHIKAWAJIMA HARIMA HEAVY IND9OLYMPUS CORP7SANYO ELECTRIC CO5FUJI ELECTRIC CO LTD4
Top patents by PatentIndex Score
90 records- 0199US4286849ADigital cameraCANON KK·Filed 1979·Granted Sep 1, 1981·89 cites·68 claims
- 0298US4853725AConnector for a cameraCANON KK·Filed 1988·Granted Aug 1, 1989·91 cites·49 claims
- 0395US4223987ACamera having a sound-making elementCANON KK·Filed 1978·Granted Sep 23, 1980·25 cites·27 claims
- 0494US4647176AExternal display device for cameraCANON KK·Filed 1984·Granted Mar 3, 1987·35 cites·11 claims
- 0593US4741666AVariable displacement turbochargerISHIKAWAJIMA HARIMA HEAVY IND·Filed 1986·Granted May 3, 1988·77 cites·15 claims
- 0692US5917791AApparatus for discriminating optical recording media of different thicknesses from each other and reproducing information therefromSANYO ELECTRIC CO·Filed 1996·Granted Jun 29, 1999·71 cites·13 claims
- 0792US4227788APrinted circuit assemblyCANON KK·Filed 1979·Granted Oct 14, 1980·24 cites·28 claims
- 0891US4389052AOil seal system for shaft of turbochargerISHIKAWAJIMA HARIMA HEAVY IND·Filed 1980·Granted Jun 21, 1983·56 cites·4 claims
- 0990US4710008ACamera with operation switchCANON KK·Filed 1986·Granted Dec 1, 1987·26 cites·31 claims
- 1089US5520887AApparatus for generating and condensing ozoneISHIKAWAJIMA HARIMA HEAVY IND·Filed 1994·Granted May 28, 1996·66 cites·12 claims
- 1188US4811320AOptical type pickup apparatus with lens holder supported by frame wires each having an end inserted into a frame holeSANYO ELECTRIC CO·Filed 1987·Granted Mar 7, 1989·40 cites·3 claims
- 1287US6201777B1Apparatus for discriminating optical recording media of different thicknesses from each other and reproducing information therefromSANYO ELECTRIC CO·Filed 1999·Granted Mar 13, 2001·44 cites·5 claims
- 1387US4845699AElectric mechanical transducer and optical type pickup apparatus driven by a magnetic fieldSANYO ELECTRIC CO·Filed 1987·Granted Jul 4, 1989·38 cites·3 claims
- 1487US4387977APower supply device for cameraCANON KK·Filed 1979·Granted Jun 14, 1983·16 cites·4 claims
- 1586US7259786B2Image processing method and apparatus, and image sensing apparatusCANON KK·Filed 2003·Granted Aug 21, 2007·30 cites·29 claims
- 1686US4314705AOil seal deviceISHIKAWAJIMA HARIMA HEAVY IND·Filed 1980·Granted Feb 9, 1982·37 cites·6 claims
- 1786US4146322AVariable resistanceCANON KK·Filed 1977·Granted Mar 27, 1979·29 cites·8 claims
- 1886US4114173APhotographic camera with an operation mode display deviceCANON KK·Filed 1977·Granted Sep 12, 1978·13 cites·6 claims
- 1985US4198063AShaft sealing device for turbochargerISHIKAWAJIMA HARIMA HEAVY IND·Filed 1978·Granted Apr 15, 1980·37 cites·1 claims
- 2083US4656951ARotary table unitCITIZEN WATCH CO LTD·Filed 1985·Granted Apr 14, 1987·35 cites·9 claims
- 2182US7675558B2Image capturing apparatus and image capturing methodCANON KK·Filed 2006·Granted Mar 9, 2010·6 cites·6 claims
- 2282US4679926AMotor driven film rewind device for cameraCANON KK·Filed 1986·Granted Jul 14, 1987·19 cites·17 claims
- 2382US4317628AElectric circuit protection device for cameraCANON KK·Filed 1980·Granted Mar 2, 1982·16 cites·7 claims
- 2481US4538891ADevice for setting photographic information for cameraCANON KK·Filed 1984·Granted Sep 3, 1985·15 cites·9 claims
- 2581US4247189ACamera with built-in electric wind-up mechanismCANON KK·Filed 1979·Granted Jan 27, 1981·11 cites·6 claims
- 2681US4176936AMotor drive unit for a cameraCANON KK·Filed 1977·Granted Dec 4, 1979·12 cites·17 claims
- 2779US11361917B2Operation switch and endoscopeOLYMPUS CORP·Filed 2020·Granted Jun 14, 2022·1 cites·10 claims
- 2878US4393305AMethod of tube wall thickness measurementFUJI ELECTRIC CO LTD·Filed 1980·Granted Jul 12, 1983·28 cites·10 claims
- 2976US4435741AElectrical circuit elements combinationCANON KK·Filed 1981·Granted Mar 6, 1984·30 cites·6 claims
- 3076US4392752AOil seal for bearings of turbochargerISHIKAWAJIMA HARIMA HEAVY IND·Filed 1981·Granted Jul 12, 1983·29 cites·1 claims
- 3176US4173620AExtraction method of tritiumDORYOKURO KAKUNENRYO·Filed 1977·Granted Nov 6, 1979·19 cites·8 claims
- 3275US4182557ASingle lens reflex camera capable of high speed continuous photographyCANON KK·Filed 1978·Granted Jan 8, 1980·9 cites·2 claims
- 3375US4171137ASlinger arrangement for use with bearing of superchargerISHIKAWAJIMA HARIMA HEAVY IND·Filed 1978·Granted Oct 16, 1979·42 cites·6 claims
- 3475US4165929ACamera with exposure control deviceCANON KK·Filed 1977·Granted Aug 28, 1979·9 cites·21 claims
- 3574US4359277ACamera with printed circuit boards comprising resistance-conductor laminated constructionsCANON KK·Filed 1980·Granted Nov 16, 1982·27 cites·21 claims
- 3674US4062024AControl system consisting of semi-conductor integrated circuits for a cameraCANON KK·Filed 1975·Granted Dec 6, 1977·10 cites·12 claims
- 3773US4767921AOptical pickup device wherein the astigmatic converged beam spot is aligned along the dividing lines of the four-division photo-detectorSANYO ELECTRIC CO·Filed 1987·Granted Aug 30, 1988·21 cites·4 claims
- 3872US4623234ACameraCANON KK·Filed 1985·Granted Nov 18, 1986·13 cites·10 claims
- 3972US4351595AMotor drive cameraCANON KK·Filed 1981·Granted Sep 28, 1982·10 cites·9 claims
- 4071US5448610ADigital X-ray photography deviceHITACHI MEDICAL CORP·Filed 1994·Granted Sep 5, 1995·191 cites·8 claims
- 4171US4970558AConnector for a cameraCANON KK·Filed 1988·Granted Nov 13, 1990·25 cites·10 claims
- 4271US4590658ATube wall thickness measurementFUJI ELECTRIC CO LTD·Filed 1983·Granted May 27, 1986·25 cites·2 claims
- 4371US4200374ACameras having a coordinated energy supply system for shutter releaseCANON KK·Filed 1978·Granted Apr 29, 1980·7 cites·3 claims
- 4470US4999656AInterchangeable lens with double-sided printed circuit boardCANON KK·Filed 1989·Granted Mar 12, 1991·28 cites·24 claims
- 4568US4481742AMachine tool elevating and guiding apparatusCITIZEN WATCH CO LTD·Filed 1983·Granted Nov 13, 1984·20 cites·2 claims
- 4666US11534050B2Turn fixing mechanism portion of endoscope apparatus and endoscope apparatusOLYMPUS CORP·Filed 2019·Granted Dec 27, 2022·1 cites·4 claims
- 4766US7505681B2Camera and control method thereforCANON KK·Filed 2006·Granted Mar 17, 2009·2 cites·10 claims
- 4865US11089942B2Portable endoscope having video display device offset relative to longitudinal axis of operation portionOLYMPUS CORP·Filed 2018·Granted Aug 17, 2021·1 cites·4 claims
- 4965US4536993AGrinding machineCITIZEN WATCH CO LTD·Filed 1983·Granted Aug 27, 1985·13 cites·2 claims
- 5065US4453837AThrust bearing for turbochargerISHIKAWAJIMA HARIMA HEAVY IND·Filed 1982·Granted Jun 12, 1984·34 cites·6 claims
Showing the top 50 of 90 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Masami Shimizu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →