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Toshio Enokida
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Tsukuba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light-emitting material for organo-electroluminescence device and f...
Patent number
6,280,859
Issue date
Aug 28, 2001
Toyo Ink Manufacturing Co., Ltd.
Toshikazu Onikubo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Light-emitting material for organic electroluminescence device, and...
Patent number
6,251,531
Issue date
Jun 26, 2001
Toyo Ink Manufacturing Co., Ltd.
Toshio Enokida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Material for organoelectroluminescence device and use thereof
Patent number
6,245,449
Issue date
Jun 12, 2001
Toyo Ink Manufacturing Co., Ltd.
Michiko Tamano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thiobacillus thiooxidansgrowth inhibitor, cement composition, and c...
Patent number
6,224,658
Issue date
May 1, 2001
Hazama Corporation
Terunobu Maeda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Deterioration preventive for concrete or mortar and method for prev...
Patent number
6,159,281
Issue date
Dec 12, 2000
Toyo Ink Manufacturing Co., Ltd.
Hiromi Uchida
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Material for organoelectro-luminescence device and use thereof
Patent number
6,150,042
Issue date
Nov 21, 2000
Toyo Ink Manufacturing Co., Ltd.
Michiko Tamano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organoelectroluminescence device material and organoelectroluminesc...
Patent number
6,001,284
Issue date
Dec 14, 1999
Toyo Ink Manufacturing Co., Ltd.
Toshio Enokida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hole-transporting material and use thereof
Patent number
5,968,675
Issue date
Oct 19, 1999
Toyo Ink Manufacturing Co., Ltd.
Michiko Tamano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Material for organoelectroluminescence device and organoelectrolumi...
Patent number
5,948,941
Issue date
Sep 7, 1999
Toyo Ink Manufacturing Co., Ltd.
Michiko Tamano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Light-emitting material for organo-electroluminescence device and o...
Patent number
5,811,834
Issue date
Sep 22, 1998
Toyo Ink Manufacturing Co., Ltd.
Michiko Tamano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Light-emitting material for organic electroluminescence device, and...
Patent number
5,759,444
Issue date
Jun 2, 1998
Toyo Ink Manufacturing Co., Ltd.
Toshio Enokida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hole-transport material
Patent number
5,698,740
Issue date
Dec 16, 1997
Toyo Ink Manufacturing Co., Ltd.
Toshio Enokida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hole-transporting material and use thereof
Patent number
5,681,664
Issue date
Oct 28, 1997
Toyo Ink Manufacturing Co., Ltd.
Michiko Tamano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hole-transporting material and its use
Patent number
5,585,213
Issue date
Dec 17, 1996
Toyo Ink Manufacturing Co., Ltd.
Michiko Tamano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Titanium phthalocyanine optical semiconductor material and electrop...
Patent number
4,882,427
Issue date
Nov 21, 1989
Toyo Ink Manufacturing Co., Ltd.
Toshio Enokida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
LIGHT-EMITTING MATERIAL FOR ORGANO-ELECTROLUMINESCENCE DEVICE AND F...
Publication number
20010033944
Publication date
Oct 25, 2001
TOSHIKAZU ONIKUBO
C07 - ORGANIC CHEMISTRY