Inventor

Kenichi Yoshimoto

Inventor

Hitachi, JP

Overview

1981–2005

Patent span

Human necessities

Primary field (CPC A)

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

B21Bprimary

B21BRolling of metal18%

A61KPreparations for medical, dental or toiletry purposes9%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations9%

C21DModifying the physical structure of ferrous metals9%

E04DRoof coverings9%

F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace9%

F27MIndexing scheme relating to aspects of the charges or furnaces, kilns, ovens or retorts9%

LOC089%

Y02PClimate change mitigation technologies in the production or processing of goods9%

Y10TTechnical subjects covered by former us classification9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to TANABE SEIYAKU CO (1)· patent assignee history

1981Based in Nishinomiya, JP· patent location history

1987–1995Patents assigned to HITACHI LTD (2)· patent assignee history

1987Patents assigned to NIPPON STEEL CORP (1)· patent assignee history

1987–1995Based in Hitachi, JP· patent location history

1994Patents assigned to DAIKEN TRADE & INDUSTRY (1)· patent assignee history

1994Based in Kako-gun, JP· patent location history

2005Patents assigned to KYOEI IND (1)· patent assignee history

2005Based in Osaka, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations