Inventor

Shigeya Ishigaki

Inventor

Gunma, JP

Overview

1998–2009

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 systems39%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications18%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids9%

F25DRefrigerators9%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact6%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application6%

B41KStamps3%

F04DNon-positive-displacement pumps3%

F24DDomestic- or space-heating systems, e.g. central heating systems3%

F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1998–2009Patents assigned to SANYO ELECTRIC CO (15)· patent assignee history

1998Based in Ohramachi, JP· patent location history

2000–2006Based in Ora, JP· patent location history

2003Patents assigned to SANYO ELECTRIC AIR CONDITION (1)· patent assignee history

2003–2009Based in Gunma, JP· patent location history

2006–2007Based in Ora-gun, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SANYO ELECTRIC CO	15	1998–2009
SANYO ELECTRIC AIR CONDITION	1	2003

Locations