Inventor

Akiharu Abe

Inventor

Toyota, JP

Overview

29→

Patents

1991–2012

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 29 as inventor

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

F16Hprimary

F16HGearing67%

Y10TTechnical subjects covered by former us classification10%

A01GHorticulture5%

A63HToys, e.g. tops, dolls, hoops or building blocks5%

F16DCouplings for transmitting rotation5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

F01PCooling of machines or engines in general2%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids2%

PatentTitleYear

8,191,794'Flow channel switching device'2012 7,582,042'Hydraulic control apparatus for automatic transmission'2009 7,559,867'Connection structure for automatic transmission'2009 7,524,267'Control apparatus for vehicular automatic transmission'2009 7,517,297'Multistage transmission'2009 7,488,269'Automatic transmission'2009 7,462,130'Control apparatus and control method of an automatic transmission'2008 7,419,452'Control apparatus of vehicular automatic transmission'2008 7,402,119'Multi-speed transmission for vehicle'2008 7,393,299'Hydraulic control apparatus and hydraulic control method for automatic transmission'2008 7,384,361'Planetary gear type multistage transmission for vehicle'2008 7,377,373'Hydraulic control apparatus for hydraulic power transmission with lock-up clutch'2008 7,337,051'Shift control apparatus for step-variable automatic transmission'2008 7,276,011'Automatic transmission'2007 7,267,630'Multistage transmission'2007 7,232,022'Clutch-purpose hydraulic servo'2007 7,186,203'Planetary gear type multistage transmission for vehicle'2007 7,172,527'Planetary-gear-type multiple-step transmission for vehicle'2007 7,118,509'Multiple-step transmission'2006 7,101,305'Planetary-gear-type multiple-step transmission for vehicle'2006 7,076,355'Shift control apparatus for vehicle step-variable automatic transmission'2006 6,055,879'Hydraulic control system for automatic transmission of multiple clutch type which prevents two clutches from being simultaneously engaged'2000 5,851,164'Hydraulic control system for automatic transmission of multiple clutch type'1998 5,176,592'Speed changing gear device having two independent gear assemblies'1993 5,122,103'Speed changing gear device having two independent gear assemblies'1992 5,098,357'Automatic planetary gear transmission'1992 5,090,881'Variable-displacement vane-pump'1992 5,057,063'Automatic transmission'1991 4,985,011'Automatic transmission'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2012Patents assigned to TOYOTA MOTOR CO LTD (28)· patent assignee history

1991–1993Based in Susono, JP· patent location history

1998–2012Based in Toyota, JP· patent location history

2009Patents assigned to AISIN AW CO (2)· patent assignee history

2012Patents assigned to ABE AKIHARU (1)· patent assignee history

2012Patents assigned to HASEGAWA MANABU (1)· patent assignee history

2012Patents assigned to SASAKI KAZUMICHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYOTA MOTOR CO LTD	28	1991–2012
AISIN AW CO	2	2009
ABE AKIHARUself	1	2012
HASEGAWA MANABU	1	2012
SASAKI KAZUMICHI	1	2012

Locations

Location	Patents	Span
Toyota, JP	23	1998–2012
Susono, JP	6	1991–1993