P

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 patents
US5581242ADec 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 patents

JAPAN SYNTHETIC RUBBER CO LTD

3 patents

NISSAN MOTOR

2 patents

ITO TETSUO

2 patents

KINUGAWA RUBBER IND

1 patent

PANASONIC CORP

1 patent

TOSHIBA KK

1 patent

TOYODA AUTOMATIC LOOM WORKS

1 patent

TOKIN CORP

1 patent

Showing the top 50 of 68 patents by PatentIndex Score.