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Inventor

Yuzo Umeda

Inventor
Sakai, JP

Overview

10→
Patents
1992–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 10 as inventor

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

LOC15primary
LOC1525%
F02BInternal-combustion piston engines15%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof15%
F02DControlling combustion engines10%
F02FCylinders, pistons or casings, for combustion engines10%
Y02TClimate change mitigation technologies related to transportation10%
F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines5%
F01MLubricating of machines or engines in general5%
F01PCooling of machines or engines in general5%
PatentTitleYear
10,371,026Blow-by gas return structure2019D0719977'Internal combustion engine'2014D0649978'Internal combustion engine'2011D0529513'Portion of an internal combustion engine'20067,047,929'Engine and a method for producing the engine'2006D0499741'Selective portions of a internal combustion engine'2004D0494191'Internal combustion engine'20046,647,951'Direct-injection type diesel engine'20036,032,641'Fuel injection device for diesel engine'20005,148,789'Governor device of diesel engine'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2019Patents assigned to KUBOTA KK (10)· patent assignee history
1992–2019Based in Sakai, JP· patent location history
2004–2011Based in Osaka, JP· patent location history
2011–2014Patents assigned to AKETA MASAHIRO (2)· patent assignee history
2011–2014Patents assigned to ANAMI HIROYUKI (2)· patent assignee history
2011–2014Patents assigned to IWANAGA WATARU (2)· patent assignee history
2011–2014Patents assigned to UMEDA YUZO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KUBOTA KK101992–2019
AKETA MASAHIRO22011–2014
ANAMI HIROYUKI22011–2014
IWANAGA WATARU22011–2014
UMEDA YUZOself22011–2014
Locations
LocationPatentsSpan
Sakai, JP61992–2019
Osaka, JP42004–2011