Inventor

Takeshi Yatsuka

Inventor

Ohtsu, JP

Overview

1989–2018

Patent span

Chemistry

Primary field (CPC C)

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds15%

Y10TTechnical subjects covered by former us classification15%

G11BInformation storage based on relative movement between record carrier and transducer11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

C08LCompositions of macromolecular compounds10%

C09DCoating compositions, e.g. paints, varnishes or lacquers8%

F16FSprings5%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%

C09JAdhesives3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–2018Patents assigned to TOYO BOSEKI (13)· patent assignee history

1990–1994Patents assigned to NIPPON STEEL CORP (3)· patent assignee history

1990Based in Osaka, JP· patent location history

1991–2004Based in Ohtsu, JP· patent location history

1993Based in Shiga, JP· patent location history

1994–2003Based in Otsu, JP· patent location history

2015–2018Patents assigned to ITO CHIHO (2)· patent assignee history

2015–2018Patents assigned to KAKIHARA YASUO (2)· patent assignee history

2015–2018Patents assigned to TODA KOGYO CORP (2)· patent assignee history

2015–2018Based in Otake, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations