Inventor

Tatsuo Kyushima

Inventor

Toyota, JP

Overview

27→

Patents

1977–1995

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 27 as inventor

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

F16Hprimary

F16HGearing63%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

F16FSprings5%

Y10TTechnical subjects covered by former us classification5%

B01DSeparation3%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%

B60WConjoint control of vehicle sub-units of different type or different function3%

F01MLubricating of machines or engines in general3%

F16CShafts3%

G01PMeasuring linear or angular speed, acceleration, deceleration, or shock3%

PatentTitleYear

5,400,268'Vehicle speed determining device having means for accurate determination of zeroing of vehicle speed'1995 5,393,278'Shift control apparatus for shifting up transmission upon re-acceleration following deceleration of vehicle'1995 4,839,041'Magnetic oil strainer'1989 4,817,472'Transmission control system with protection against excessively high speed downshifting'1989 4,768,633'Torque converter lock up clutch rotary shock absorber with inner plate element location construction'1988 4,676,123'Automobile transmission with output shaft parallel to crank shaft and parking gear fixed to the output shaft'1987 4,480,499'Driving device for automobiles'1984 4,441,594'Fluid type torque converter apparatus'1984 4,440,276'Torque converter lock up clutch shock absorber with pressure transmitting hole through disk element'1984 4,437,358'Transmission with torque converter and lock up clutch with lubrication and pressurization system'1984 4,428,258'Transmission control system with modified back pressure accumulator'1984 4,428,259'Fail safe automatic transmission lock up clutch control system'1984 4,426,891'Radially outward return spring for transmission brake'1984 4,427,098'Torque transmission apparatus including direct coupling clutch and fluid-type torque converter'1984 4,406,181'Automatic transmission control system with holddown device'1983 4,406,179'Apparatus for preloading an antifriction bearing in an automatic transmission'1983 4,399,895'Torque converter lock up clutch rotary damper with reinforcing lips'1983 4,394,827'Transmission control system with modified friction engaging mechanism actuating pressure'1983 4,380,179'Engagement device in automatic transmission'1983 4,364,285'Automatic transmission'1982 4,356,742'Transmission control system providing overlapped shift line combinations'1982 4,315,443'Transmission for use in motor vehicle'1982 4,280,374'Transmission for use in motor vehicle'1981 4,263,823'Compact transmission for use in automobiles having means for counterbalancing internal thrusts'1981 4,258,586'Compact transmission for use in automobiles'1981 4,226,200'Automatic transmission casing'1980 4,058,193'Hydraulic control device for use in an automatic transmission'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1995Patents assigned to TOYOTA MOTOR CO LTD (27)· patent assignee history

1977–1989Based in Toyota, JP· patent location history

1989Patents assigned to AISIN WARNER (1)· patent assignee history

1989–1995Based in Okazaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYOTA MOTOR CO LTD	27	1977–1995
AISIN WARNER	1	1989

Locations

Location	Patents	Span
Toyota, JP	24	1977–1989
Okazaki, JP	3	1989–1995