Inventor

Yoshio Nakazato

Inventor

Chiba, JP

Overview

1977–2006

Patent span

Chemistry

Primary field (CPC C)

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

B21Bprimary

B21BRolling of metal12%

C01GCompounds containing metals not covered by subclasses c01d or c01f12%

C21DModifying the physical structure of ferrous metals12%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%

B01DSeparation6%

C01BNon-metallic elements6%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals6%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds6%

C22BProduction and refining of metals6%

C22CAlloys6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977–1989Patents assigned to KAWASAKI STEEL CO (6)· patent assignee history

1977–1988Based in Chiba, JP· patent location history

1986Patents assigned to RESEARCH DEV CORP (1)· patent assignee history

1986Patents assigned to SOLEX RES CORP JAPAN (1)· patent assignee history

1986–1989Based in Tokyo, JP· patent location history

2006Patents assigned to NEC MICROWAVE TUBE LTD (1)· patent assignee history

2006Based in Kanagawa, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations