Inventor

Takayoshi Kimura

Inventor

Niihama, JP

Overview

1986–2015

Patent span

Chemistry

Primary field (CPC C)

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

C22Bprimary

C22BProduction and refining of metals40%

A61KPreparations for medical, dental or toiletry purposes13%

F27BFurnaces, kilns, ovens or retorts in general13%

C07DHeterocyclic compounds7%

C08JWorking-up7%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%

C08LCompositions of macromolecular compounds7%

F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1986–1989Patents assigned to SUMITOMO METAL MINING CO (6)· patent assignee history

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

1993Patents assigned to TONEN CORP (1)· patent assignee history

1993Based in Saitama, JP· patent location history

1994–1999Patents assigned to TSUMURA & CO (2)· patent assignee history

1994Based in Ibaraki, JP· patent location history

1999Based in Amimachi, JP· patent location history

2015Patents assigned to TOYO TIRE & RUBBER CO (1)· patent assignee history

2015Based in Osaka, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations