Inventor

Yoshiaki Kitagawa

Inventor

Osaka, JP

Overview

1986–2003

Patent span

Mechanical engineering

Primary field (CPC F)

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification19%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact14%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application14%

F04BPositive-displacement machines for liquids10%

F24DDomestic- or space-heating systems, e.g. central heating systems10%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications10%

C23CCoating metallic material5%

F16CShafts5%

F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general5%

H05BElectric heating5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1986–1987Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (3)· patent assignee history

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

2000–2003Patents assigned to TAIHO KOGYO CO LTD (3)· patent assignee history

2000Based in Aichi, JP· patent location history

2002–2003Based in Toyota, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC WORKS LTD	3	1986–1987
TAIHO KOGYO CO LTD	3	2000–2003

Locations