Inventor

Tomoaki Seki

Inventor

Ichihara, JP

Overview

1983–2002

Patent span

Chemistry

Primary field (CPC C)

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

C08Cprimary

C08CTreatment or chemical modification of rubbers37%

B60CVehicle tyres16%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%

C08LCompositions of macromolecular compounds11%

B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general5%

F21SNon-portable lighting devices5%

Y02TClimate change mitigation technologies related to transportation5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Y10TTechnical subjects covered by former us classification5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1983–1993Patents assigned to SUMITOMO CHEMICAL CO (9)· patent assignee history

1983–1988Patents assigned to SUMITOMO RUBBER IND (3)· patent assignee history

1983–1993Based in Ichihara, JP· patent location history

1989Based in Chiba, JP· patent location history

2002Patents assigned to STANLEY ELECTRIC CO LTD (1)· patent assignee history

2002Based in Toichigi, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations