Inventor

Eisuke Wayama

Inventor

Hitachinaka, JP

Overview

2000–2008

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.

F02Dprimary

F02DControlling combustion engines52%

F16KValves20%

F16NLubricating12%

G01DMeasuring not specially adapted for a specific variable12%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof2%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines2%

PatentTitleYear

7,367,315'Throttle valve control apparatus of internal combustion engine and automobile using the same'2008 7,243,635'Throttle valve opening and closing device'2007 7,235,963'Electronic control type throttle valve apparatus, non-contact type rotation angle detecting apparatus used in electronic control type throttle valve apparatus etc. and signal processing apparatus for hall element'2007 7,231,903'Throttle apparatus for an internal combustion engine'2007 7,174,877'Throttle valve opening and closing device'2007 7,152,581'Throttle valve control apparatus of internal combustion engine and automobile using the same'2006 7,121,259'Throttle device for internal-combustion engine'2006 7,093,581'Throttle valve control apparatus of internal combustion engine and automobile using the same'2006 7,040,283'Throttle valve opening and closing device'2006 6,973,916'ELECTRONIC CONTROL TYPE THROTTLE VALVE APPARATUS, NON-CONTACT TYPE ROTATION ANGLE DETECTING APPARATUS USED IN ELECTRONIC CONTROL TYPE THROTTLE VALVE APPARATUS ETC. AND SIGNAL PROCESSING APPARATUS FOR HALL ELEMENT'2005 6,966,297'Throttle device for internal-combustion engine'2005 6,945,228'Throttle device for internal-combustion engine'2005 6,932,051'Throttle valve opening and closing device'2005 6,912,993'Throttle system'2005 6,701,892'Throttle valve control apparatus of internal combustion engine and automobile using the same'2004 6,694,947'Throttle apparatus for an internal combustion engine'2004 6,691,678'Throttle assembly for internal combustion engine, and throttle sensor'2004 6,691,681'Throttle apparatus for an internal combustion engine'2004 6,626,143'Throttle device of internal combustion engine'2003 6,591,809'Throttle device for internal-combustion engine'2003 6,488,010'Throttle device for internal-combustion engine'2002 6,418,908'Throttle apparatus for an internal combustion engine'2002 6,390,062'Throttle device of internal combustion engine'2002 6,382,180'Throttle apparatus for an internal combustion engine'2002 6,382,181'Throttle apparatus for an internal combustion engine'2002 6,371,080'Throttle device for internal-combustion engine'2002 6,047,680'Electronically controlled throttle apparatus for an engine'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2008Patents assigned to HITACHI LTD (21)· patent assignee history

2000–2008Patents assigned to HITACHI CAR ENG CO LTD (20)· patent assignee history

2000–2007Based in Hitachinaka, JP· patent location history

2005–2007Based in Chiyoda-ku, JP· patent location history

2006–2008Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	21	2000–2008
HITACHI CAR ENG CO LTD	20	2000–2008

Locations

Location	Patents	Span
Hitachinaka, JP	23	2000–2007
Tokyo, JP	2	2006–2008
Chiyoda-ku, JP	2	2005–2007