Inventor

Norio Sawada

Inventor

Gunma, JP

Overview

1990–2017

Patent span

Mechanical engineering

Primary field (CPC F)

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

F25Bprimary

F25BRefrigeration machines, plants or systems37%

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%

Y02ATechnologies for adaptation to climate change11%

B25FCombination or multi-purpose tools not otherwise provided for5%

F16KValves5%

F24FAir-conditioning5%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%

Y02PClimate change mitigation technologies in the production or processing of goods5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1990–2007Patents assigned to SANYO ELECTRIC CO (8)· patent assignee history

1990–2006Based in Oizumi-machi, JP· patent location history

1997–2007Based in Gunma, JP· patent location history

1999Based in Suwa, JP· patent location history

1999Based in Ora-gun, JP· patent location history

2017Patents assigned to PANASONIC IP MAN CO LTD (1)· patent assignee history

2017Based in Mie, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SANYO ELECTRIC CO	8	1990–2007
PANASONIC IP MAN CO LTD	1	2017

Locations