Takatsugu Obata

Person

Nara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photoconductor and image forming apparatus usin...
- Patent number 8,546,049
- Issue date Oct 1, 2013
- Sharp Kabushiki Kaisha
- Akiko Kihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, image forming apparatus and proc...
- Patent number 8,354,211
- Issue date Jan 15, 2013
- Sharp Kabushiki Kaisha
- Akiko Kihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and image forming apparatus
- Patent number 8,206,881
- Issue date Jun 26, 2012
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and image-forming apparatus
- Patent number 8,003,287
- Issue date Aug 23, 2011
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aromatic polycarbonate, electrophotographic photoreceptor, and imag...
- Patent number 7,985,519
- Issue date Jul 26, 2011
- Sharp Kabushiki Kaisha
- Akiko Kihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor containing enamine compound, imag...
- Patent number 7,977,020
- Issue date Jul 12, 2011
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic photoreceptor and image forming apparatus inclu...
- Patent number 7,803,507
- Issue date Sep 28, 2010
- Sharp Kabushiki Kaisha
- Tatsuhiro Morita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Hydrazone compound, electrophotographic photoreceptor comprising th...
- Patent number 7,794,907
- Issue date Sep 14, 2010
- Sharp Kabushiki Kaisha
- Akihiro Kondoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for producing electrophotographic photoreceptor
- Patent number 7,781,137
- Issue date Aug 24, 2010
- Sharp Kabushiki Kaisha
- Mikio Kakui
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Electrophotoconductor and image forming apparatus
- Patent number 7,754,403
- Issue date Jul 13, 2010
- Sharp Kabushiki Kaisha
- Akihiro Kondoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, electrophotographic image formin...
- Patent number 7,727,693
- Issue date Jun 1, 2010
- Sharp Kabushiki Kaisha
- Kazuya Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Asymmetric bis-hydroxyenamine compound, electrophotographic photore...
- Patent number 7,625,681
- Issue date Dec 1, 2009
- Sharp Kabushiki Kaisha
- Akihiro Kondoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic photoconductor and image forming apparatus
- Patent number 7,615,326
- Issue date Nov 10, 2009
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and image forming apparatus provi...
- Patent number 7,588,871
- Issue date Sep 15, 2009
- Sharp Kabushiki Kaisha
- Akiko Kihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Amine compound, manufacturing method thereof, electrophotographic p...
- Patent number 7,563,548
- Issue date Jul 21, 2009
- Sharp Kabushiki Kaisha
- Akihiro Kondoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of forming electrophotographic photoreceptor and method of d...
- Patent number 7,560,217
- Issue date Jul 14, 2009
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Electrophotographic photoreceptor and image forming apparatus havin...
- Patent number 7,534,539
- Issue date May 19, 2009
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Image forming apparatus
- Patent number 7,457,565
- Issue date Nov 25, 2008
- Sharp Kabushiki Kaisha
- Ichiroh Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and image forming apparatus provi...
- Patent number 7,429,439
- Issue date Sep 30, 2008
- Sharp Kabushiki Kaisha
- Koichi Toriyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic photoconductive material electrophotographic photoreceptor...
- Patent number 7,416,824
- Issue date Aug 26, 2008
- Sharp Kabushiki Kaisha
- Akihiro Kondoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Apparatus and method for applying coating liquid to cylindrical sub...
- Patent number 7,402,209
- Issue date Jul 22, 2008
- Sharp Kabushiki Kaisha
- Kazuya Ishida
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method and apparatus for applying coating liquid to cylindrical sub...
- Patent number 7,393,415
- Issue date Jul 1, 2008
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Amine compound, electrophotographic photoreceptor using the amine c...
- Patent number 7,364,823
- Issue date Apr 29, 2008
- Sharp Kabushiki Kaisha
- Akihiro Kondoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic photoconductive material, electrophotographic photoreceptor...
- Patent number 7,175,956
- Issue date Feb 13, 2007
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and coating composition for charg...
- Patent number 6,291,120
- Issue date Sep 18, 2001
- Sharp Kabushiki Kaisha
- Satoshi Nishigaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Crystalline oxotitanylphthalocyanine and electrophotographic photor...
- Patent number 6,210,847
- Issue date Apr 3, 2001
- Sharp Kabushiki Kaisha
- Masato Miyauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoelectric material using organic photosensitising dyes and manu...
- Patent number 6,043,428
- Issue date Mar 28, 2000
- Sharp Kabushiki Kaisha
- Liyuan Han
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Photoreceptor for electrophotography, bishydrazone compound and int...
- Patent number 6,022,655
- Issue date Feb 8, 2000
- Sharp Kabushiki Kaisha
- Akihiro Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND IMAGE FORMING APPARATUS INCL...
- Publication number 20120156599
- Publication date Jun 21, 2012
- Takatsugu OBATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND IMAGE FORMING APPARATUS USIN...
- Publication number 20120156600
- Publication date Jun 21, 2012
- Akiko Kihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS
- Publication number 20100028047
- Publication date Feb 4, 2010
- Akihiro KONDOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS PROVI...
- Publication number 20090305155
- Publication date Dec 10, 2009
- Takatsugu OBATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROC...
- Publication number 20090175650
- Publication date Jul 9, 2009
- Sharp Kabushiki Kaisha
- Akiko KIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS
- Publication number 20090129817
- Publication date May 21, 2009
- Takatsugu Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR CONTAINING TRIAMINE COMPOUND AND...
- Publication number 20090097881
- Publication date Apr 16, 2009
- Akihiro Kondoh
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Electrophotographic photoreceptor containing enamine compound, imag...
- Publication number 20080286671
- Publication date Nov 20, 2008
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- C07 - ORGANIC CHEMISTRY
Information Patent Application
AROMATIC POLYCARBONATE, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND IMAG...
- Publication number 20080199215
- Publication date Aug 21, 2008
- Akiko KIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor and image-forming apparatus
- Publication number 20080166642
- Publication date Jul 10, 2008
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor and image forming apparatus
- Publication number 20070281229
- Publication date Dec 6, 2007
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotoconductor and image forming apparatus
- Publication number 20070207395
- Publication date Sep 6, 2007
- SHARP KABUSHIKI KAISHA
- Akihiro Kondoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor and image forming apparatus provi...
- Publication number 20070077506
- Publication date Apr 5, 2007
- Akiki Kihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatus and method for applying coating liquid to cylindrical sub...
- Publication number 20070054206
- Publication date Mar 8, 2007
- Kazuya Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor and image forming apparatus inclu...
- Publication number 20070026334
- Publication date Feb 1, 2007
- SHARP KABUSHIKI KAISHA
- Tatsuhiro Morita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Asymmetric bis-hydroxyenamine compound, electrophotographic photore...
- Publication number 20060275683
- Publication date Dec 7, 2006
- Sharp Kabushiki Kaisha
- Akihiro Kondoh
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Electrophotographic photoreceptor, electrophotographic image formin...
- Publication number 20060222979
- Publication date Oct 5, 2006
- Kazuya Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Photosensitive material for electrophotography and image forming de...
- Publication number 20060210895
- Publication date Sep 21, 2006
- Takatsugu Obata
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Organic photoconductive material and, using the same, electrophotog...
- Publication number 20060204871
- Publication date Sep 14, 2006
- Akihiro Kondoh
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method of forming electrophotographic photoreceptor and method of d...
- Publication number 20060127796
- Publication date Jun 15, 2006
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Hydrazone compound, electrophotographic photoreceptor comprising th...
- Publication number 20060057481
- Publication date Mar 16, 2006
- Akihiro Kondoh
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Amine compound, electrophotographic photoreceptor using the amine c...
- Publication number 20050238973
- Publication date Oct 27, 2005
- Sharp Kabushiki Kaisha
- Akihiro Kondoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Amine compound, manufacturing method thereof, electrophotographic p...
- Publication number 20050238972
- Publication date Oct 27, 2005
- Sharp Kabushiki Kaisha
- Akihiro Kondoh
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method and apparatus for producing electrophotographic photoreceptor
- Publication number 20050238989
- Publication date Oct 27, 2005
- Sharp Kabushiki Kaisha
- Mikio Kakui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20050232657
- Publication date Oct 20, 2005
- Sharp Kabushiki Kaisha
- Ichiroh Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor and image forming apparatus provi...
- Publication number 20050164107
- Publication date Jul 28, 2005
- Sharp Kabushiki Kaisha
- Koichi Toriyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for applying coating liquid to cylindrical sub...
- Publication number 20050112278
- Publication date May 26, 2005
- Takatsugu Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Organic photoconductive material, electrophotographic photoreceptor...
- Publication number 20040101770
- Publication date May 27, 2004
- Sharp Kabushiki Kaisha
- Takatsugu Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takatsugu Obata

Person

Patents Grantslast 30 patents

Electrophotographic photoconductor and image forming apparatus usin...

Electrophotographic photoreceptor, image forming apparatus and proc...

Electrophotographic photoreceptor and image forming apparatus

Electrophotographic photoconductor and image-forming apparatus

Aromatic polycarbonate, electrophotographic photoreceptor, and imag...

Electrophotographic photoreceptor containing enamine compound, imag...

Electrophotographic photoreceptor and image forming apparatus inclu...

Hydrazone compound, electrophotographic photoreceptor comprising th...

Method and apparatus for producing electrophotographic photoreceptor

Electrophotoconductor and image forming apparatus

Electrophotographic photoreceptor, electrophotographic image formin...

Asymmetric bis-hydroxyenamine compound, electrophotographic photore...

Electrophotographic photoconductor and image forming apparatus

Electrophotographic photoreceptor and image forming apparatus provi...

Amine compound, manufacturing method thereof, electrophotographic p...

Method of forming electrophotographic photoreceptor and method of d...

Electrophotographic photoreceptor and image forming apparatus havin...

Image forming apparatus

Electrophotographic photoreceptor and image forming apparatus provi...

Organic photoconductive material electrophotographic photoreceptor...

Apparatus and method for applying coating liquid to cylindrical sub...

Method and apparatus for applying coating liquid to cylindrical sub...

Amine compound, electrophotographic photoreceptor using the amine c...

Organic photoconductive material, electrophotographic photoreceptor...

Electrophotographic photoreceptor and coating composition for charg...

Crystalline oxotitanylphthalocyanine and electrophotographic photor...

Photoelectric material using organic photosensitising dyes and manu...

Photoreceptor for electrophotography, bishydrazone compound and int...

Patents Applicationslast 30 patents

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND IMAGE FORMING APPARATUS INCL...

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND IMAGE FORMING APPARATUS USIN...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS PROVI...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROC...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS

ELECTROPHOTOGRAPHIC PHOTORECEPTOR CONTAINING TRIAMINE COMPOUND AND...

Electrophotographic photoreceptor containing enamine compound, imag...

AROMATIC POLYCARBONATE, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND IMAG...

Electrophotographic photoconductor and image-forming apparatus

Electrophotographic photoconductor and image forming apparatus

Electrophotoconductor and image forming apparatus

Electrophotographic photoreceptor and image forming apparatus provi...

Apparatus and method for applying coating liquid to cylindrical sub...

Electrophotographic photoreceptor and image forming apparatus inclu...

Asymmetric bis-hydroxyenamine compound, electrophotographic photore...

Electrophotographic photoreceptor, electrophotographic image formin...

Photosensitive material for electrophotography and image forming de...

Organic photoconductive material and, using the same, electrophotog...

Method of forming electrophotographic photoreceptor and method of d...

Hydrazone compound, electrophotographic photoreceptor comprising th...

Amine compound, electrophotographic photoreceptor using the amine c...

Amine compound, manufacturing method thereof, electrophotographic p...

Method and apparatus for producing electrophotographic photoreceptor

Image forming apparatus

Electrophotographic photoreceptor and image forming apparatus provi...

Method and apparatus for applying coating liquid to cylindrical sub...

Organic photoconductive material, electrophotographic photoreceptor...