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Inventor

Junko Shimizu

Inventor
Suwa, JP

Overview

5→
Patents
1994–2000
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers25%
A61KPreparations for medical, dental or toiletry purposes8%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%
C07CAcyclic or carbocyclic compounds8%
C07DHeterocyclic compounds8%
F02BInternal-combustion piston engines8%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%
H04WWireless communication networks8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
6,131,043'Local radio base station apparatus'20005,607,999'Water-based recording ink'19975,503,664'Ink compositions for ink jet printing'19965,460,896'Fuel cell'19955,324,349'Ink compositions for ink jet printing'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1997Patents assigned to SEIKO EPSON CORP (3)· patent assignee history
1994–1997Based in Suwa, JP· patent location history
1995Patents assigned to EQUOS RESEARCH KK (1)· patent assignee history
1995Based in Hokkaido, JP· patent location history
2000Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history
2000Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP31994–1997
EQUOS RESEARCH KK11995
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12000
Locations
LocationPatentsSpan
Suwa, JP31994–1997
Yokohama, JP12000
Hokkaido, JP11995