Inventor

Toshimitsu Sakai

Inventor

Kariya, JP

Overview

1976–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 40 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B62Dprimary

B62DMotor vehicles18%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure11%

F16HGearing9%

G01DMeasuring not specially adapted for a specific variable7%

F04BPositive-displacement machines for liquids6%

G06FElectric digital data processing5%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%

G01RMeasuring electric variables4%

H04LTransmission of digital information, e.g. telegraphic communication4%

B41LApparatus or devices for manifolding, duplicating or printing for office or other commercial purposes2%

PatentTitleYear

10,862,417Rotary electric device control device and electric power steering device2020 10,759,470Sensor device and electric power steering apparatus using same2020 10,668,945Motor control apparatus, motor drive system, and motor control method2020 10,654,518Motor control apparatus, motor drive system, and motor control method2020 10,486,735Rotation detecting apparatus2019 10,399,596Sensor device2019 10,384,712Sensor apparatus and electric power steering apparatus using the same2019 10,351,166Sensor device and electric power steering apparatus using same2019 10,343,714Sensor device2019 10,328,972Rotation detecting apparatus and electric power steering apparatus using the same2019 10,300,944Sensor device and electric power steering apparatus using same2019 10,232,879Communication system2019 10,173,720Sensor device and electric power steering device using same2019 10,077,069Sensor device and electric power steering device using same2018 9,878,736'Communication system'2018 9,774,442'Communication device'2017 9,689,713'Rotation angle detection apparatus'2017 7,748,515'Storage conveyor'2010 7,434,382'Skate for cable protection guide'2008 6,516,602'Flexible cable support and guide device'2003 6,318,254'Stencil printing machine having static electricity discharging members'2001 5,881,504'Temporary frame system for construction'1999 5,619,918'Stencil printing drum structure'1997 5,584,477'Paper delivery apparatus of printing machine'1996 4,167,860'Universal joint'1979 4,163,635'Vane type rotary fluid pumps or compressors'1979 4,068,543'Hydraulic transmission control device'1978 4,061,446'Rotary air pump or compressor with flexible end sealing plates'1977 4,056,991'Hydraulic control device for use with automatic speed change gear device'1977 4,050,861'Diaphragm pump'1977 4,034,628'Oil pressure control system for an automatic transmission system'1977 4,023,447'Fluid pressure control system for automatic power transmission'1977 4,021,712'Control system for automatic transmission for electric automobiles'1977 3,999,899'Diaphragm fluid pump'1976 3,979,972'Hydromechanical transmission'1976 3,969,958'Output split type hydrostatic transmission'1976 3,969,045'Diaphragm vacuum pump for vehicles'1976 3,954,352'Diaphragm vacuum pump'1976 3,950,946'Vacuum producing system'1976 3,943,799'Controls for four-forward-speed automatic transmissions'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2010Patents assigned to TOYOTA MOTOR CO LTD (14)· patent assignee history

1976–1977Based in Toyota, JP· patent location history

1977–1979Patents assigned to NIPPON PISTON RING CO LTD (2)· patent assignee history

1977–1979Based in Okazaki, JP· patent location history

1996–2001Patents assigned to RISO KAGAKU CORP (3)· patent assignee history

1997–2001Based in Ibaraki, JP· patent location history

2003–2010Patents assigned to TSUBAKIMOTO CHAIN CO (3)· patent assignee history

2003–2010Based in Osaka, JP· patent location history

2017–2020Patents assigned to DENSO CORP (17)· patent assignee history

2017–2020Based in Kariya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DENSO CORP	17	2017–2020
TOYOTA MOTOR CO LTD	14	1976–2010
RISO KAGAKU CORP	3	1996–2001
TSUBAKIMOTO CHAIN CO	3	2003–2010
NIPPON PISTON RING CO LTD	2	1977–1979

Locations

Location	Patents	Span
Kariya, JP	17	2017–2020
Toyota, JP	11	1976–1977
Okazaki, JP	5	1977–1979
Osaka, JP	3	2003–2010
Ibaraki, JP	2	1997–2001