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Inventor

Keiji Shimotani

Inventor
Yokohama, JP

Overview

3→
Patents
2002–2013
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F02Dprimary
F02DControlling combustion engines25%
Y02TClimate change mitigation technologies related to transportation25%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general13%
F02BInternal-combustion piston engines13%
F02FCylinders, pistons or casings, for combustion engines13%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%
PatentTitleYear
8,437,946'Intake system control device and method'20136,997,144'Cylinder head structure for an internal combustion engine'20066,460,329'Exhaust gas purifying facility with nitrogen oxides absorption-reduction catalyst'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2006Patents assigned to ISUZU MOTORS LTD (2)· patent assignee history
2002Based in Fujisawa, JP· patent location history
2006Based in Kanagawa, JP· patent location history
2013Patents assigned to SASAKI JUN (1)· patent assignee history
2013Patents assigned to SHIMOTANI KEIJI (1)· patent assignee history
2013Patents assigned to TRANSTRON INC (1)· patent assignee history
2013Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ISUZU MOTORS LTD22002–2006
SASAKI JUN12013
SHIMOTANI KEIJIself12013
TRANSTRON INC12013
Locations
LocationPatentsSpan
Yokohama, JP12013
Kanagawa, JP12006
Fujisawa, JP12002