Inventor
SUGIYAMA MASAHIKO
JP47 patents
⚠️ This page may combine multiple inventors who share the name “SUGIYAMA MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
10 patentsUS5483795AJan 16, 1996
Exhaust purification device of internal combustion engine
TOYOTA MOTOR CO LTD138 citations98
US6221805B1Apr 24, 2001
Catalyst support and catalyst and process for producing the same
TOYOTA MOTOR CO LTD36 citations92
US4506593AMar 26, 1985
Piston head structure
TOYOTA MOTOR CO LTD13 citations74
US4144627AMar 20, 1979
Integrated catalyst component for exhaust gas purification and method of assembling it
TOYOTA MOTOR CO LTD19 citations74
US4270691AJun 2, 1981
Method of joining ceramic members and its application to oxygen sensor element manufacture
TOYOTA MOTOR CO LTD9 citations73
US6481217B1Nov 19, 2002
Gas storage method and system, and gas occluding material
TOYOTA MOTOR CO LTD10 citations72
US4327820AMay 4, 1982
Disc brake and method of manufacturing the same
TOYOTA MOTOR CO LTD10 citations71
US4533579AAug 6, 1985
Vibration-resistant, heat-insulating casting and method of making
TOYOTA MOTOR CO LTD3 citations62
US7101411B2Sep 5, 2006
Apparatus for generating hydrogen gas
TOYOTA MOTOR CO LTD3 citations58
US5906959AMay 25, 1999
Catalyst for purifying exhaust gas
TOYOTA MOTOR CO LTD5 citations57
TOKYO ELECTRON LTD
7 patentsUS7332918B2Feb 19, 2008
Prober and probe testing method for temperature-controlling object to be tested
TOKYO ELECTRON LTD66 citations98
US5198752AMar 30, 1993
Electric probing-test machine having a cooling system
TOKYO ELECTRON LTD231 citations98
US5084671AJan 28, 1992
Electric probing-test machine having a cooling system
TOKYO ELECTRON LTD372 citations98
US6992500B2Jan 31, 2006
Prober and probe testing method for temperature-controlling object to be tested
TOKYO ELECTRON LTD18 citations93
US6118290ASep 12, 2000
Prober and method for cleaning probes provided therein
TOKYO ELECTRON LTD52 citations92
US8349652B2Jan 8, 2013
Method and apparatus for manufacturing three-dimensional integrated circuit
TOKYO ELECTRON LTD4 citations63
USD383683SSep 16, 1997
Wafer prober
TOKYO ELECTRON LTD1 citations50
VICTOR COMPANY OF JAPAN
6 patentsUS7515357B2Apr 7, 2009
Microlens array sheet and method of producing the same
VICTOR COMPANY OF JAPAN17 citations91
US7864450B2Jan 4, 2011
Microlens array sheet and method of producing the same
VICTOR COMPANY OF JAPAN10 citations83
US7359596B2Apr 15, 2008
Micro lens array and a method of manufacturing a replication mold for the same
VICTOR COMPANY OF JAPAN7 citations72
US6855416B2Feb 15, 2005
Thin film magnetic recording medium
VICTOR COMPANY OF JAPAN4 citations62
US7819543B2Oct 26, 2010
Optical unit, backlight device, liquid crystal module and liquid crystal display apparatus
VICTOR COMPANY OF JAPAN3 citations61
US7110643B2Sep 19, 2006
Micro lens array and a method of manufacturing a replication mold for the same
VICTOR COMPANY OF JAPAN4 citations61
HITACHI LTD
5 patentsUS4561829ADec 31, 1985
Rotary compressor with tapered valve ports for lubricating pump
HITACHI LTD29 citations91
US4626180ADec 2, 1986
Rotary compressor with spiral oil grooves for crankshaft
HITACHI LTD35 citations90
US4636154AJan 13, 1987
Horizontal type rotary compressor
HITACHI LTD19 citations77
US4544338AOct 1, 1985
Oil feeder means for use in a horizontal type rotary compressor
HITACHI LTD15 citations73
US4748535AMay 31, 1988
Method of magnetizing rotor of motor
HITACHI LTD15 citations68
NGK INSULATORS LTD
4 patentsUS5663695ASep 2, 1997
Surface acoustic wave filter device and transducer therefor
NGK INSULATORS LTD27 citations92
US6127904AOct 3, 2000
Surface acoustic wave filter having unidirectional and bidirectional transducers
NGK INSULATORS LTD15 citations82
US5909157AJun 1, 1999
Surface acoustic wave filter device and transducer therefor having unidirectional and bidirectional structures
NGK INSULATORS LTD7 citations74
US5710529AJan 20, 1998
Surface acoustic wave filer device having a cascade filter structure and a piezoelectric substrate having mirror-polished surfaces
NGK INSULATORS LTD11 citations72