Inventor

Michitaka Takeshita

Inventor

Tokyo, JP

Overview

1982–2002

Patent span

Chemistry

Primary field (CPC C)

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

C08Kprimary

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients26%

B60CVehicle tyres11%

C08JWorking-up11%

Y10TTechnical subjects covered by former us classification11%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%

B44CProducing decorative effects5%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds5%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties5%

C09DCoating compositions, e.g. paints, varnishes or lacquers5%

C23FNon-mechanical removal of metallic material from surface5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to BRIDGESTONE TIRE CO LTD (1)· patent assignee history

1982Based in Mitaka, JP· patent location history

1986–2002Patents assigned to BRIDGESTONE CORP (6)· patent assignee history

1986–2002Based in Tokyo, JP· patent location history

1988–1989Based in Koganei, JP· patent location history

1990Based in Koganein, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BRIDGESTONE CORP	6	1986–2002
BRIDGESTONE TIRE CO LTD	1	1982

Locations