Inventor
SATO YOSHIO
JP102 patents
⚠️ This page may combine multiple inventors who share the name “SATO YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
23 patentsUS5533329AJul 9, 1996
Control apparatus for and control method of gas turbine
HITACHI LTD118 citations98
US4775967AOct 4, 1988
Beam spot control device using a thin micro lens with an actuator
HITACHI LTD55 citations96
US4319320AMar 9, 1982
System and method for adaptive control of process
HITACHI LTD67 citations96
US4622922ANov 18, 1986
Combustion control method
HITACHI LTD80 citations95
US4577270AMar 18, 1986
Plant control method
HITACHI LTD58 citations95
US5484686AJan 16, 1996
Optical recording media and information recording and reproducing units
HITACHI LTD21 citations92
US5475656ADec 12, 1995
Optical disk memory and information processing apparatus
HITACHI LTD25 citations92
US5371730ADec 6, 1994
Optical memory and information processing apparatus
HITACHI LTD23 citations92
US5317556AMay 31, 1994
Information processing apparatus and optical head incorporated therein
HITACHI LTD21 citations92
US5311494AMay 10, 1994
Optical disk apparatus and optical head
HITACHI LTD48 citations92
US5177717AJan 5, 1993
Optical memory medium and its information recording and erasing method and apparatus
HITACHI LTD32 citations92
US4978187ADec 18, 1990
Optical element, optical disc and rotary encoder with the optical element
HITACHI LTD41 citations92
US4937808AJun 26, 1990
Intergrated optical head with flexible substrate portion
HITACHI LTD40 citations92
US4841514AJun 20, 1989
Optical recording method and apparatus using two fight spots
HITACHI LTD35 citations92
US4811328AMar 7, 1989
Optical recording and reproducing device
HITACHI LTD30 citations92
US4773060ASep 20, 1988
Optical information recording device
HITACHI LTD44 citations92
US4528918AJul 16, 1985
Method of controlling combustion
HITACHI LTD48 citations92
US5572502ANov 5, 1996
Optical disk apparatus
HITACHI LTD38 citations91
US4912395AMar 27, 1990
Testable LSI device incorporating latch/shift registers and method of testing the same
HITACHI LTD26 citations90
US4228359AOct 14, 1980
Rotor-stress preestimating turbine control system
HITACHI LTD48 citations90
US4214301AJul 22, 1980
Diagnostic device for use with automatic control systems
HITACHI LTD50 citations89
US4718053AJan 5, 1988
Optical information apparatus and method of recording and erasing information
HITACHI LTD23 citations81
US4121424AOct 24, 1978
Method of starting up turbines
HITACHI LTD23 citations76
EBARA CORP
5 patentsUS5142173AAug 25, 1992
Bearing structure
EBARA CORP73 citations95
US4998033AMar 5, 1991
Gas dynamic bearing for spindle motor
EBARA CORP63 citations94
US5223758AJun 29, 1993
Spindle motor
EBARA CORP50 citations92
US5089732AFeb 18, 1992
Spindle motor
EBARA CORP43 citations92
US5198637AMar 30, 1993
Method of cutting grooves in hydrodynamic bearing made of ceramic material
EBARA CORP20 citations81
OBARA CORP
3 patentsAMP INC
2 patentsNIPPON ELECTRIC CO
2 patentsAGENCY IND SCIENCE TECHN
2 patentsDENGENSHA MFG CO LTD
2 patentsNIPPON KOKAN KK
2 patentsTAIYO YUDEN KK
2 patentsFURUKAWA ELECTRIC CO LTD
1 patentKURARAY CO
1 patentRICOH KK
1 patentFUJITSU MEDIA DEVICES LTD
1 patentSATO KK
1 patentSHARP KK
1 patentWHITAKER CORP
1 patentShowing the top 50 of 102 patents by PatentIndex Score.