Inventor

Hideyuki Sumi

Inventor
Osaka, JP

Overview

12→
Patents
1988–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
C08LCompositions of macromolecular compounds14%
A01NPreservation of bodies of humans or animals or plants or parts thereof9%
A61KPreparations for medical, dental or toiletry purposes9%
A61QSpecific use of cosmetics or similar toiletry preparations9%
C08BPolysaccharides9%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
Y10TTechnical subjects covered by former us classification6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2018Patents assigned to DAI ICHI KOGYO SEIYAKU CO LTD (9)· patent assignee history
1988–1999Based in Osaka, JP· patent location history
1993Patents assigned to KAI ICHI KOGYO SEIYAKU CO LTD (1)· patent assignee history
2016Patents assigned to GOI YOUSUKE (1)· patent assignee history
2016Patents assigned to ISOGAI AKIRA (1)· patent assignee history
2016–2018Based in Kyoto, JP· patent location history
2017Patents assigned to DAI-ICHI KOGYO SEIYAKU CO LTD (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAI ICHI KOGYO SEIYAKU CO LTD91988–2018
DAI-ICHI KOGYO SEIYAKU CO LTD12017
GOI YOUSUKE12016
ISOGAI AKIRA12016
KAI ICHI KOGYO SEIYAKU CO LTD11993
Locations
LocationPatentsSpan
Osaka, JP81988–1999
Kyoto, JP32016–2018
Tokyo, JP12021