Inventor

Toshihiro Sugiwaki

Inventor
Yamaguchi, JP

Overview

4→
Patents
1983–1998
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C04Bprimary
C04BLime, magnesia33%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments17%
C08HDerivatives of natural macromolecular compounds8%
C08LCompositions of macromolecular compounds8%
C09KMaterials for miscellaneous applications, not provided for elsewhere8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1993Patents assigned to SANYO KOKUSAKU PULP CO (3)· patent assignee history
1983–1998Based in Yamaguchi, JP· patent location history
1992Based in Kuga-gun, JP· patent location history
1998Patents assigned to JUJO PAPER CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANYO KOKUSAKU PULP CO31983–1993
JUJO PAPER CO LTD11998
Locations
LocationPatentsSpan
Yamaguchi, JP31983–1998
Kuga-gun, JP11992