Inventor

Shigeru Ura

Inventor

Nara, JP

Overview

1978–2009

Patent span

Chemistry

Primary field (CPC C)

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

D21Hprimary

D21HPulp compositions31%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds19%

Y10TTechnical subjects covered by former us classification19%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%

A61BDiagnosis4%

A61KPreparations for medical, dental or toiletry purposes4%

A61QSpecific use of cosmetics or similar toiletry preparations4%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms4%

G01NInvestigating or analysing materials by determining their chemical or physical properties4%

G03CPhotosensitive materials for photographic purposes4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1978–1992Patents assigned to SUMITOMO CHEMICAL CO (8)· patent assignee history

1978Based in Toyonaka, JP· patent location history

1981Based in Saitama, JP· patent location history

1984–1992Based in Nara, JP· patent location history

2009Patents assigned to AMTEC CO LTD (1)· patent assignee history

2009Based in Kitakatsuragi-gun, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO CHEMICAL CO	8	1978–1992
AMTEC CO LTD	1	2009

Locations