Inventor

Hajime Nakashima

Inventor

Hiroshima, JP

Overview

1986–2020

Patent span

Performing operations

Primary field (CPC B)

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

E02Fprimary

E02FDredging24%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles12%

F01PCooling of machines or engines in general12%

B60YIndexing scheme relating to aspects cross-cutting vehicle technology9%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%

Y02TClimate change mitigation technologies related to transportation6%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%

B66BElevators3%

E02DFoundations3%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1986–1987Patents assigned to HITACHI LTD (2)· patent assignee history

1986–1987Based in Hitachi, JP· patent location history

2003Based in Omiya, JP· patent location history

2006–2010Patents assigned to KOBELCO CONSTR MACHINERY LTD (3)· patent assignee history

2006–2020Based in Hiroshima, JP· patent location history

2014–2020Patents assigned to KOBELCO CONSTR MACH CO LTD (5)· patent assignee history

2014–2016Patents assigned to NAKASHIMA HAJIME (4)· patent assignee history

2015–2016Patents assigned to KIMURA YASUMASA (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOBELCO CONSTR MACH CO LTD	5	2014–2020
NAKASHIMA HAJIMEself	4	2014–2016
KOBELCO CONSTR MACHINERY LTD	3	2006–2010
HITACHI LTD	2	1986–1987
KIMURA YASUMASA	2	2015–2016

Locations