Inventor

Yasuhiko Yamashita

Inventor

Hashima, JP

Overview

1979–1999

Patent span

Chemistry

Primary field (CPC C)

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

C21Dprimary

C21DModifying the physical structure of ferrous metals20%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1020%

A23BPreservation of foods, foodstuffs or non-alcoholic beverages10%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%

C22CAlloys10%

Y02PClimate change mitigation technologies in the production or processing of goods10%

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

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to ASAHI CHEMICAL IND (1)· patent assignee history

1979Patents assigned to DAIKIN IND LTD (1)· patent assignee history

1979Based in Nobeoka, JP· patent location history

1979Based in Toyonaka, JP· patent location history

1987–1996Patents assigned to NIPPON STEEL CORP (2)· patent assignee history

1987Based in Kitakyushu, JP· patent location history

1996Patents assigned to JAPAN CASTING FORGING CORP (1)· patent assignee history

1996Based in Kitakyusyu, JP· patent location history

1997–1999Patents assigned to SANYO ELECTRIC CO (2)· patent assignee history

1997–1999Based in Hashima, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations