Inventor

Eiichiro Ohata

Inventor

Kasama, JP

Overview

2010–2021

Patent span

Mechanical engineering

Primary field (CPC F)

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

F02Dprimary

F02DControlling combustion engines31%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof23%

Y02TClimate change mitigation technologies related to transportation23%

F02BInternal-combustion piston engines8%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure8%

G01MTesting static or dynamic balance of machines or structures8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2010–2011Patents assigned to HITACHI LTD (2)· patent assignee history

2010–2013Based in Kasama, JP· patent location history

2013–2021Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (2)· patent assignee history

2013Patents assigned to OHATA EIICHIRO (1)· patent assignee history

2021Patents assigned to HITACHI AUTOMOVIE SYSTEMS LTD (1)· patent assignee history

2021Based in Ibaraki, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI AUTOMOTIVE SYSTEMS LTD	2	2013–2021
HITACHI LTD	2	2010–2011
HITACHI AUTOMOVIE SYSTEMS LTD	1	2021
OHATA EIICHIROself	1	2013

Locations

Location	Patents	Span
Kasama, JP	3	2010–2013
Ibaraki, JP	1	2021