Inventor

Osamu Tsuda

Inventor

Tosu, JP

Overview

1977–2010

Patent span

Chemistry

Primary field (CPC C)

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

B21Cprimary

B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling10%

C01BNon-metallic elements10%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds10%

C21DModifying the physical structure of ferrous metals10%

C30BSingle-crystal growth10%

F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general10%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact10%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application10%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to KOBE STEEL LTD (1)· patent assignee history

1977Based in Kobe, JP· patent location history

2009Patents assigned to TOKYO ELECTRON LTD (2)· patent assignee history

2009Based in Tosu, JP· patent location history

2010Patents assigned to NAT INST FOR MATERIALS SCIENCE (1)· patent assignee history

2010Based in Tsukuba, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOKYO ELECTRON LTD	2	2009
KOBE STEEL LTD	1	1977
NAT INST FOR MATERIALS SCIENCE	1	2010

Locations