Inventor · disambiguated record
Toshio Sugiyama
Also filed as: SUGIYAMA TOSHIO
24 granted patents·9 pending applications·418 citations·filing 1978–2021
96Inventor score
Top patents by PatentIndex Score
33 records- 0190US4532619AMethod and apparatus for reducing semiconductor laser optical noiseHITACHI LTD·Filed 1983·Granted Jul 30, 1985·37 cites·32 claims
- 0290US4333173AOptical information processor with prismatic correction of laser beam shapeHITACHI LTD·Filed 1980·Granted Jun 1, 1982·61 cites·29 claims
- 0389US4352981APhotoelectric focus and tracking apparatusHITACHI LTD·Filed 1980·Granted Oct 5, 1982·34 cites·14 claims
- 0485US6114801AAt-cut crystal resonatorTOYO COMMUNICATION EQUIP·Filed 1998·Granted Sep 5, 2000·39 cites·4 claims
- 0582US5615204AStructure for supporting optical pickupHITACHI LTD·Filed 1995·Granted Mar 25, 1997·34 cites·16 claims
- 0681US4744069AOptical disc apparatus with access system having object lens controlHITACHI LTD·Filed 1986·Granted May 10, 1988·27 cites·10 claims
- 0781US4411500AOptical system for reproducing informationHITACHI LTD·Filed 1980·Granted Oct 25, 1983·22 cites·11 claims
- 0879US9219415B2Switching power supply circuitASAHI KASEI MICRODEVICES CORP·Filed 2013·Granted Dec 22, 2015·5 cites·8 claims
- 0977US4242608AMotor using Hall effect elementsHITACHI LTD·Filed 1978·Granted Dec 30, 1980·33 cites·10 claims
- 1075US7965594B2Optical pickup and optical disc apparatusHITACHI MEDIA ELECTRON KK·Filed 2010·Granted Jun 21, 2011·3 cites·8 claims
- 1169US5699341AOptical disk apparatus and optical head thereofHITACHI LTD·Filed 1996·Granted Dec 16, 1997·19 cites·22 claims
- 1268US5933407AStructure for supporting optical pickupHITACHI LTD·Filed 1996·Granted Aug 3, 1999·17 cites·18 claims
- 1367US5872761AOptical disk apparatus and optical head thereofHITACHI LTD·Filed 1997·Granted Feb 16, 1999·17 cites·25 claims
- 1467US4547871ATwo dimensional actuator for moving optical medium of scanning deviceHITACHI LTD·Filed 1982·Granted Oct 15, 1985·14 cites·19 claims
- 1567US4525823AOptical tracking systemHITACHI LTD·Filed 1982·Granted Jun 25, 1985·13 cites·12 claims
- 1663US6388976B1Compact optical head including two light emitters having parallel optical axesHITACHI LTD·Filed 2000·Granted May 14, 2002·4 cites·23 claims
- 1760US8415938B2Switching regulatorMORI IBUKI·Filed 2009·Granted Apr 9, 2013·8 cites·10 claims
- 1859US12334787B2Stator for rotary electric machineAISIN CORP·Filed 2021·Granted Jun 17, 2025·0 cites·5 claims
- 1957US2008068972A1Optical pick-up apparatus and optical disc apparatus including the sameYABE AKIO·Filed 2007·Application pending·0 cites
- 2057US2008068971A1Optical pick-up apparatus and optical disc apparatus including the sameYABE AKIO·Filed 2007·Application pending·0 cites
- 2157US2008062849A1Optical pick-up apparatus and optical disc apparatus including the sameYABE AKIO·Filed 2007·Application pending·0 cites
- 2256US7400568B2Optical device, optical pickup and optical disk apparatusHITACHI LTD·Filed 2003·Granted Jul 15, 2008·8 cites·6 claims
- 2356US6629342B1Method for producing an AT-cut resonatorTOYO COMMUNICATION EQUIP·Filed 2000·Granted Oct 7, 2003·5 cites·16 claims
- 2456US2007242575A1Optical Pickup and Optical Disc ApparatusNAKAMURA TOSHITERU·Filed 2007·Application pending·0 cites
- 2555US2008056100A1Optical pick-up apparatus and optical disc apparatus including the sameYABE AKIO·Filed 2007·Application pending·0 cites
- 2653US2010238783A1Optical pickupKONUMA NOBUHIRO·Filed 2009·Application pending·0 cites
- 2752US6069862ACompact optical head including two light emitters having parallel optical axesHITACHI LTD·Filed 1997·Granted May 30, 2000·9 cites·15 claims
- 2851US7928981B2Signal generator display interface for instinctive operation of editing waveform parametersTEKTRONIX INT SALES GMBH·Filed 2006·Granted Apr 19, 2011·2 cites·18 claims
- 2948US4779255AOptical reading/reproducing apparatusHITACHI LTD·Filed 1986·Granted Oct 18, 1988·7 cites·3 claims
- 3042US7973457B2Crystal UnitNIHON DEMPA KOGYO CO·Filed 2010·Granted Jul 5, 2011·0 cites·3 claims
- 3137US2007135946A1Command and argument description display corresponding to user actions on an electronic instrumentSUGIYAMA TOSHIO·Filed 2006·Application pending·0 cites
- 3237US2007115257A1Sequence status display during output for signal generatorSUGIYAMA TOSHIO·Filed 2006·Application pending·0 cites
- 3336US2009256449A1Piezoelectric vibrating devices and methods for manufacturing sameNIHON DEMPA KOGYO CO·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →