Inventor

Shigenao Maruyama

Inventor

Miyagi, JP

Overview

1990–2020

Patent span

Mechanical engineering

Primary field (CPC F)

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%

F01MLubricating of machines or engines in general11%

F01PCooling of machines or engines in general11%

F02FCylinders, pistons or casings, for combustion engines11%

F25BRefrigeration machines, plants or systems11%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact11%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application11%

H05KPrinted circuits11%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1011%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1990–2013Based in Miyagi, JP· patent location history

2013Patents assigned to KOMIYA ATSUKI (2)· patent assignee history

2013Patents assigned to MARUYAMA SHIGENAO (2)· patent assignee history

2013–2020Patents assigned to UNIV TOHOKU (2)· patent assignee history

2013Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history

2013Patents assigned to KAWAMURA YASUHIRO (1)· patent assignee history

2020Based in Sendai, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Miyagi, JP	3	1990–2013
Sendai, JP	1	2020