Inventor

Takumi Tatsumi

Inventor

Hyogo, JP

Overview

22→

Patents

1985–1999

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 22 as inventor

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

F16Hprimary

F16HGearing43%

B60WConjoint control of vehicle sub-units of different type or different function33%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles11%

F16DCouplings for transmitting rotation4%

B62DMotor vehicles2%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure2%

G05DSystems for controlling or regulating non-electric variables2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

5,999,870'Motor-driven power steering system for a vehicle and a method for controlling same'1999 5,114,383'Apparatus for controlling continuous variable transmission'1992 5,074,166'Continuous speed variable transmission control method'1991 5,069,086'Belt ratio controller for a continuously vaiable transmission'1991 5,069,083'Continuous speed variable transmission control apparatus'1991 5,060,768'Creep control for a continuously variable transmission'1991 5,060,770'Method of controlling rotational speed of continuous variable transmission'1991 5,050,455'Method of controlling continuous variable transmission'1991 5,042,323'Hydraulic control method for continuously variable speed change gear mechanism for a vehicle and a drive control method for a pressure valve thereof'1991 5,024,310'Clutch pressure control device for continuously variable transmission'1991 5,022,287'Method of controlling clutch of continuously variable transmission system'1991 5,012,697'Revolution controller for a continuously variable transmission'1991 4,989,149'Constant-speed running apparatus for vehicle'1991 4,964,317'Hydraulic control method for continuously variable speed change gear mechanism for a vehicle and a drive control method for a pressure valve thereof'1990 4,962,678'Hydraulic control method for continuously variable speed change gear mechanism for a vehicle and a drive control method for a pressure valve thereof'1990 4,958,538'Method and apparatus for controlling line pressure of continuously variable transmission system'1990 4,926,716'Method of controlling continuously variable transmission system'1990 4,856,380'Method of controlling clutch pressure of continuously variable transmission system'1989 4,635,508'Safety control device for automatic transmission'1987 4,524,645'Speed change control unit of automatic transmission for automobiles utilizing fluid flow rate'1985 4,520,680'Torque measuring apparatus'1985 4,501,175'Speed change control unit of automatic transmission for automobiles'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1999Patents assigned to MITSUBISHI ELECTRIC CORP (21)· patent assignee history

1985–1999Based in Himeji, JP· patent location history

1987–1992Based in Hyogo, JP· patent location history

1989–1992Patents assigned to SUZUKI MOTOR CO (16)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	21	1985–1999
SUZUKI MOTOR CO	16	1989–1992

Locations

Location	Patents	Span
Hyogo, JP	14	1987–1992
Himeji, JP	8	1985–1999