Inventor
ITO TETSUO
JP68 patents
⚠️ This page may combine multiple inventors who share the name “ITO TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
31 patentsUS5581242ADec 3, 1996
Automatic alarm display processing system in plant
HITACHI LTD111 citations97
US5701394ADec 23, 1997
Information processing apparatus having a neural network and an expert system
HITACHI LTD122 citations96
US4775967AOct 4, 1988
Beam spot control device using a thin micro lens with an actuator
HITACHI LTD55 citations96
US4651172AMar 17, 1987
Information recording medium
HITACHI LTD78 citations95
US5777896AJul 7, 1998
Plant operating and monitoring apparatus
HITACHI LTD52 citations94
US5287264AFeb 15, 1994
Multicontroller apparatus, multicontroller system, nuclear reactor protection system, inverter control system and diagnostic device
HITACHI LTD27 citations93
US4045767AAug 30, 1977
Method of ultrasonic data communication and apparatus for carrying out the method
HITACHI LTD45 citations93
US6530141B2Mar 11, 2003
Method of forming thin film magnetic recording head with narrow track width performing high density recording at high driving frequency
HITACHI LTD24 citations92
US6091582AJul 18, 2000
Thin film magnetic recording head with very narrow track width performing high density recording at high driving frequency
HITACHI LTD31 citations92
US4879087ANov 7, 1989
Nuclear power plant
HITACHI LTD34 citations92
US4811328AMar 7, 1989
Optical recording and reproducing device
HITACHI LTD30 citations92
US4773060ASep 20, 1988
Optical information recording device
HITACHI LTD44 citations92
US4673974AJun 16, 1987
Image transmission system
HITACHI LTD54 citations92
US4542479ASep 17, 1985
Distributed control system
HITACHI LTD34 citations92
US5748495AMay 5, 1998
Plant operating and monitoring apparatus
HITACHI LTD45 citations91
US4654590AMar 31, 1987
Method and apparatus for detecting the position of a movable object utilizing the magnetostrictive effect to generate ultrasonic waves
HITACHI LTD37 citations91
US4718053AJan 5, 1988
Optical information apparatus and method of recording and erasing information
HITACHI LTD23 citations81
US4742575AMay 3, 1988
Light signal transmission/reception system
HITACHI LTD7 citations74
US4520483AMay 28, 1985
Signal diagnostic method and apparatus for multiple transmission system
HITACHI LTD12 citations74
US4440715AApr 3, 1984
Method of controlling nuclear power plant
HITACHI LTD16 citations74
US4432048AFeb 14, 1984
Multiple digital controller system
HITACHI LTD7 citations74
US4400059AAug 23, 1983
Liquid crystal display device
HITACHI LTD11 citations74
US4348110ASep 7, 1982
Charging current integrating type photodetectors
HITACHI LTD10 citations74
US4020449AApr 26, 1977
Signal transmitting and receiving device
HITACHI LTD8 citations74
US3990071ANov 2, 1976
Data transmission system using frequency permutation codes
HITACHI LTD11 citations74
US6496451B2Dec 17, 2002
Objective lens driving device and optical disc apparatus
HITACHI LTD11 citations73
US5095418AMar 10, 1992
Multiplex control system
HITACHI LTD10 citations73
US4989129AJan 29, 1991
Multiplex control system
HITACHI LTD10 citations73
US4184086AJan 15, 1980
Semiconductor switch
HITACHI LTD7 citations72
US4738910AApr 19, 1988
Method of applying a resist
HITACHI LTD10 citations71
US4644346AFeb 17, 1987
Multiplex transmission system
HITACHI LTD5 citations63
BROTHER IND LTD
7 patentsUS10737896B2Aug 11, 2020
Image reading apparatus
BROTHER IND LTD8 citations84
US10865065B2Dec 15, 2020
Image reading device
BROTHER IND LTD2 citations73
US9884737B2Feb 6, 2018
Sheet separating apparatus
BROTHER IND LTD2 citations73
US11820126B2Nov 21, 2023
Liquid discharge device
BROTHER IND LTD0 citations63
US11623837B2Apr 11, 2023
Image reading apparatus
BROTHER IND LTD0 citations63
US11491798B2Nov 8, 2022
Liquid discharge device
BROTHER IND LTD0 citations63
US11092924B2Aug 17, 2021
Image forming apparatus having a drive unit including a torsion spring
BROTHER IND LTD0 citations63
JAPAN SYNTHETIC RUBBER CO LTD
3 patentsUS4494954AJan 22, 1985
Process for producing colored contact lens
JAPAN SYNTHETIC RUBBER CO LTD31 citations90
US4211682AJul 8, 1980
Dental hydraulic investment
JAPAN SYNTHETIC RUBBER CO LTD7 citations73
US4550001AOct 29, 1985
Process for producing shaped articles having improved surfaces
JAPAN SYNTHETIC RUBBER CO LTD16 citations71
NISSAN MOTOR
2 patentsITO TETSUO
2 patentsKINUGAWA RUBBER IND
1 patentPANASONIC CORP
1 patentTOSHIBA KK
1 patentTOYODA AUTOMATIC LOOM WORKS
1 patentTOKIN CORP
1 patentShowing the top 50 of 68 patents by PatentIndex Score.