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Inventor

Toshinori Yasutomi

Inventor
Ibaraki, JP

Overview

4→
Patents
2013–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

F02Bprimary
F02BInternal-combustion piston engines33%
Y02TClimate change mitigation technologies related to transportation22%
B25CHand-held nailing or stapling tools11%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general11%
F02FCylinders, pistons or casings, for combustion engines11%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof11%
PatentTitleYear
10,843,317Driver20209,200,558'Muffler and engine-driven work machine'20158,499,730'Two cycle engine and two cycle engine tool'20138,439,005'Two cycle engine and tool'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2020Patents assigned to HITACHI KOKI KK (4)· patent assignee history
2013–2015Patents assigned to YASUTOMI TOSHINORI (3)· patent assignee history
2013Patents assigned to KAMIMURA JUNICHI (2)· patent assignee history
2013Patents assigned to OHTSU SHINKI (2)· patent assignee history
2013Patents assigned to ISHIDA SHIGETOSHI (1)· patent assignee history
2013–2020Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI KOKI KK42013–2020
YASUTOMI TOSHINORIself32013–2015
KAMIMURA JUNICHI22013
OHTSU SHINKI22013
ISHIDA SHIGETOSHI12013
Locations
LocationPatentsSpan
Ibaraki, JP42013–2020