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Inventor

Ryoko Aso

Inventor
Yokohama, JP

Overview

6→
Patents
1992–2016
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G03Gprimary
G03GElectrography33%
B01LChemical or physical laboratory apparatus for general use11%
C07CAcyclic or carbocyclic compounds11%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
LOC2411%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
9,372,133'Microchemical chip, producing method thereof and method for using the microchemical chip'2016D0678547'Micro flow channel chip'20135,338,633'Electrophotographic photoreceptor'19945,292,607'Electrophotographic photoreceptor containing polycarbonate resin as a binder and method for preparation thereof'19945,173,385'Photosensitive member for electrophotography with copolyamide interlayer'19925,124,431'Process for producing azo group-containing polymer having azo group in main chain'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1994Patents assigned to MITSUBISHI CHEM IND (4)· patent assignee history
1992–2013Based in Yokohama, JP· patent location history
1992–2016Based in Kanagawa, JP· patent location history
2013–2016Patents assigned to ASO RYOKO (2)· patent assignee history
2013–2016Patents assigned to METABOSCREEN CO LTD (2)· patent assignee history
2013–2016Patents assigned to SEKIZAWA RYUICHI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI CHEM IND41992–1994
ASO RYOKOself22013–2016
METABOSCREEN CO LTD22013–2016
SEKIZAWA RYUICHI22013–2016
Locations
LocationPatentsSpan
Yokohama, JP41992–2013
Kanagawa, JP21992–2016