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Shigeru Takarada
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical path switching signal transmission/reception apparatus and...
Patent number
8,798,465
Issue date
Aug 5, 2014
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Norio Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical-path-switching apparatus and light signal optical-path-swit...
Patent number
8,659,818
Issue date
Feb 25, 2014
National Institute of Advanced Industrial Science and Technology
Ichiro Ueno
G02 - OPTICS
Information
Patent Grant
Thermal lens forming element
Patent number
8,004,748
Issue date
Aug 23, 2011
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Norio Tanaka
G02 - OPTICS
Information
Patent Grant
Production process of colored fine particulate resins, colored fine...
Patent number
7,232,853
Issue date
Jun 19, 2007
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Michiei Nakamura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composite pigments, coloring compositions, and image recording subs...
Patent number
6,368,399
Issue date
Apr 9, 2002
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Masahiko Aoba
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and apparatus for controlling photointensity and/or luminous...
Patent number
6,265,708
Issue date
Jul 24, 2001
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Norio Tanaka
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL-PATH-SWITCHING APPARATUS AND LIGHT SIGNAL OPTICAL-PATH-SWIT...
Publication number
20130057945
Publication date
Mar 7, 2013
INTER ENERGY CO., LTD.
Ichiro Ueno
G02 - OPTICS
Information
Patent Application
OPTICAL PATH SWITCHING SIGNAL TRANSMISSION/RECEPTION APPARATUS AND...
Publication number
20120063777
Publication date
Mar 15, 2012
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Norio Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
THERMAL LENS FORMING ELEMENT
Publication number
20100265568
Publication date
Oct 21, 2010
DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD
Norio Tanaka
G02 - OPTICS
Information
Patent Application
Production process of colored fine particulate resins, colored fine...
Publication number
20020128356
Publication date
Sep 12, 2002
Dainichiseika Color & Chem. Mfg. Co.,Ltd.
Michiei Nakamura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL