Inventor

Hiroyuki Takamura

Inventor

Hitachinaka, JP

Overview

1993–2013

Patent span

Mechanical engineering

Primary field (CPC F)

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

D21Fprimary

D21FPaper-making machines15%

F02DControlling combustion engines15%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%

Y02TClimate change mitigation technologies related to transportation11%

Y10TTechnical subjects covered by former us classification7%

B22FWorking metallic powder4%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%

B60WConjoint control of vehicle sub-units of different type or different function4%

F01LCyclically operating valves for machines or engines4%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1993Based in Yokohama, JP· patent location history

2001–2006Patents assigned to HITACHI CAR ENG CO LTD (3)· patent assignee history

2001–2012Patents assigned to HITACHI LTD (3)· patent assignee history

2001–2013Based in Hitachinaka, JP· patent location history

2007–2012Based in Tokyo, JP· patent location history

2007Based in Tochigi, JP· patent location history

2009–2012Patents assigned to ICHIKAWA CO LTD (3)· patent assignee history

2012–2013Patents assigned to TAKAMURA HIROYUKI (4)· patent assignee history

2012–2013Patents assigned to ICHIHARA TAKANOBU (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations