Hiromasa Arai

Person

Chiba-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Orangic electroluminescence device
- Patent number 7,361,796
- Issue date Apr 22, 2008
- Idemitsu Kosan Co., Ltd.
- Hidetsugu Ikeda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Styryl compound and organic electroluminescence device
- Patent number 7,122,256
- Issue date Oct 17, 2006
- Idemitsu Kosan Co., Ltd.
- Masakazu Funahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted diphenylanthracene compounds for organic electrolumines...
- Patent number 7,053,255
- Issue date May 30, 2006
- Idemitsu Kosan Co., Ltd.
- Hidetsugu Ikeda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Organic electroluminescence device
- Patent number 6,951,693
- Issue date Oct 4, 2005
- Idemitsu Kosan Co., Ltd.
- Chishio Hosokawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Organic electroluminescent device
- Patent number 6,743,948
- Issue date Jun 1, 2004
- Idemitsu Kosan Co., Ltd.
- Chishio Hosokawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE
- Publication number 20120153815
- Publication date Jun 21, 2012
- Idemitsu Kosan Co., Ltd.
- Chishio Hosokawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ORGANIC ELECTROLUMESCENCE DEVICE
- Publication number 20110175521
- Publication date Jul 21, 2011
- Idemitsu Kosan Co., Ltd.
- Chishio Hosokawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ORGANIC ELECTROLUMESCENCE DEVICE
- Publication number 20100160687
- Publication date Jun 24, 2010
- Idemitsu Kosan Co., Ltd.
- Chishio Hosokawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE
- Publication number 20090243473
- Publication date Oct 1, 2009
- IDEMITSU KOSAN CO., LTD.
- Toshihiro Iwakuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Organic electroluminescence device
- Publication number 20080193799
- Publication date Aug 14, 2008
- IDEMITSU KOSAN CO., LTD.
- Hidetsugu Ikeda
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ORGANIC ELECTROLUMESCENCE DEVICE
- Publication number 20070142671
- Publication date Jun 21, 2007
- Idemitsu Kosan Co., Ltd.
- Chishio Hosokawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Organic electrolumescence device
- Publication number 20060189828
- Publication date Aug 24, 2006
- Idemitsu Kosan Co., Ltd.
- Chishio Hosokawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Organic electroluminescence device
- Publication number 20060083947
- Publication date Apr 20, 2006
- IDEMITSU KOSAN CO., LTD.
- Hidetsugu Ikeda
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Novel styryl compound and organic electroluminescence device
- Publication number 20050238912
- Publication date Oct 27, 2005
- IDEMITSU KOSAN CO., LTD.
- Masakazu Funahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Organic electrolumescence device
- Publication number 20050038296
- Publication date Feb 17, 2005
- Idemitsu Kosan Co., Ltd.
- Chishio Hosokawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Organic electroluminescence device
- Publication number 20040214035
- Publication date Oct 28, 2004
- IDEMITSU KOSAN CO., LTD.
- Hidetsugu Ikeda
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Organic electrolumescence device
- Publication number 20030072966
- Publication date Apr 17, 2003
- Idemitsu Kosan Co., Ltd.
- Chishio Hosokawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Novel styryl compound and organic electroluminescence device
- Publication number 20030044640
- Publication date Mar 6, 2003
- Masakazu Funahashi
- C07 - ORGANIC CHEMISTRY

Hiromasa Arai

Person

Patents Grantslast 30 patents

Orangic electroluminescence device

Styryl compound and organic electroluminescence device

Substituted diphenylanthracene compounds for organic electrolumines...

Organic electroluminescence device

Organic electroluminescent device

Patents Applicationslast 30 patents

ORGANIC ELECTROLUMINESCENCE DEVICE

ORGANIC ELECTROLUMESCENCE DEVICE

ORGANIC ELECTROLUMESCENCE DEVICE

ORGANIC ELECTROLUMINESCENCE DEVICE

Organic electroluminescence device

ORGANIC ELECTROLUMESCENCE DEVICE

Organic electrolumescence device

Organic electroluminescence device

Novel styryl compound and organic electroluminescence device

Organic electrolumescence device

Organic electroluminescence device

Organic electrolumescence device

Novel styryl compound and organic electroluminescence device