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Inventor

Hiroshi Oohashi

Inventor
Osaka, JP

Overview

5→
Patents
2012–2017
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F02Dprimary
F02DControlling combustion engines31%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general25%
B01DSeparation19%
Y02TClimate change mitigation technologies related to transportation19%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%
PatentTitleYear
9,759,115'Exhaust gas purification system'20179,416,713'Exhaust gas purification system'20168,915,067'Diesel engine'20148,656,707'Diesel engine'20148,146,573'EGR device for engine'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2017Patents assigned to YANMAR CO LTD (5)· patent assignee history
2012–2016Patents assigned to OOHASHI HIROSHI (4)· patent assignee history
2012–2014Patents assigned to MASUDA HIROSHI (2)· patent assignee history
2012–2017Based in Osaka, JP· patent location history
2014–2016Patents assigned to FUKUDA TOMOHIRO (2)· patent assignee history
2014–2016Patents assigned to TOGASHI TAICHI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YANMAR CO LTD52012–2017
OOHASHI HIROSHIself42012–2016
FUKUDA TOMOHIRO22014–2016
MASUDA HIROSHI22012–2014
TOGASHI TAICHI22014–2016
Locations
LocationPatentsSpan
Osaka, JP52012–2017