Inventor

Hakaru Nakato

Inventor

Chiba, JP

Overview

1985–2000

Patent span

Performing operations

Primary field (CPC B)

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

B22Dprimary

B22DCasting of metals53%

C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel13%

F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace13%

C21DModifying the physical structure of ferrous metals7%

C22CAlloys7%

Y02PClimate change mitigation technologies in the production or processing of goods7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1985–2000Patents assigned to KAWASAKI STEEL CO (9)· patent assignee history

1985–1989Patents assigned to SAKAI CHEMICAL INDUSTRY CO (2)· patent assignee history

1985–1990Based in Chiba, JP· patent location history

1987Patents assigned to HITACHI LTD (2)· patent assignee history

1999Based in Okayama, JP· patent location history

2000Based in Kurashiki, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations