Inventor

Satoshi Ohkuma

Inventor

Tokyo, JP

Overview

5→

Patents

2010–2012

Patent span

Physics

Primary field (CPC G)

Patents· 5 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus31%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein31%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments13%

C07DHeterocyclic compounds6%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties6%

C09KMaterials for miscellaneous applications, not provided for elsewhere6%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%

PatentTitleYear

8,269,921'Liquid crystal display device and color filter for liquid crystal display device'2012 8,237,894'Color filter and liquid crystal display device'2012 8,212,974'Blue color composition containing dye, color filter and liquid crystal display device and organic EL display provided with the color filter'2012 7,965,353'Color filter with perpendicular optical retardation and liquid crystal display device'2011 7,763,672'Red colored film, red colored composition, color filter and liquid crystal display device'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2012Patents assigned to TOPPAN PRINTING CO LTD (5)· patent assignee history

2010–2012Patents assigned to TOYO INK MFG CO (2)· patent assignee history

2010–2012Based in Tokyo, JP· patent location history

2012Patents assigned to OHKUMA SATOSHI (3)· patent assignee history

2012Patents assigned to ASAHI NORIKO (2)· patent assignee history

2012Patents assigned to YAMAUCHI TAKASHI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOPPAN PRINTING CO LTD	5	2010–2012
OHKUMA SATOSHIself	3	2012
ASAHI NORIKO	2	2012
TOYO INK MFG CO	2	2010–2012
YAMAUCHI TAKASHI	2	2012

Locations

Location	Patents	Span
Tokyo, JP	5	2010–2012