Masaomi Sasaki

Person

Susono-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Arylamine polymer, method for producing the same, ink composition,...
- Patent number 10,011,684
- Issue date Jul 3, 2018
- Ricoh Company, Ltd.
- Toshiya Sagisaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrochromic compound, electrochromic composition, display elemen...
- Patent number 9,688,706
- Issue date Jun 27, 2017
- Ricoh Company, Ltd.
- Mamiko Inoue
- G02 - OPTICS
Information Patent Grant
Light emitting device and display unit
- Patent number 9,263,682
- Issue date Feb 16, 2016
- Ricoh Company, Ltd.
- Shigeyuki Harada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Carbazole derivative and semiconductor nanocrystal
- Patent number 9,206,202
- Issue date Dec 8, 2015
- Ricoh Company, Ltd.
- Shigeyuki Harada
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Carbazole polymer and method of manufacturing same
- Patent number 8,765,903
- Issue date Jul 1, 2014
- Ricoh Company, Ltd.
- Masaomi Sasaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Material for multiphoton fluorescence microscope and multiphoton fl...
- Patent number 8,192,917
- Issue date Jun 5, 2012
- Ricoh Company, Ltd.
- Tatsuya Tomura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Pi-conjugated polymer
- Patent number 7,893,192
- Issue date Feb 22, 2011
- Ricoh Company, Ltd.
- Masaomi Sasaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
3, 6-diphenylcarbazole compound and organic electroluminescent device
- Patent number 7,745,988
- Issue date Jun 29, 2010
- Ricoh Company, Limited
- Masaomi Sasaki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
π-Conjugated polymer and manufacturing method thereof
- Patent number 7,718,760
- Issue date May 18, 2010
- Ricoh Company, Ltd.
- Masaomi Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aryl amine polymer, thin film transistor using the new aryl amine p...
- Patent number 7,550,554
- Issue date Jun 23, 2009
- Ricoh Company, Ltd.
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor for liquid development, image fo...
- Patent number 7,452,640
- Issue date Nov 18, 2008
- Ricoh Company, Ltd.
- Masayuki Shoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor comprising a polycarbonate resin...
- Patent number 7,348,113
- Issue date Mar 25, 2008
- Ricoh Company, Ltd.
- Masayuki Shoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, process for forming an image, i...
- Patent number 7,175,958
- Issue date Feb 13, 2007
- Ricoh Company, Ltd.
- Masayuki Shoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aryl amine polymer, thin film transistor using the aryl amine polym...
- Patent number 7,166,689
- Issue date Jan 23, 2007
- Ricoh Company, Ltd.
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polycarbonate resin, electrophotographic photoconductor, p...
- Patent number 7,071,285
- Issue date Jul 4, 2006
- Ricoh Company, Ltd.
- Shinichi Kawamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor, and process cartridge and elect...
- Patent number 6,939,651
- Issue date Sep 6, 2005
- Ricoh Company, Ltd.
- Hongguo Li
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATI...
- Patent number 6,919,419
- Issue date Jul 19, 2005
- Ricoh Company Ltd.
- Kohkoku Ri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor, process for forming an image, i...
- Patent number 6,849,367
- Issue date Feb 1, 2005
- Ricoh Company, Ltd.
- Masayuki Shoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic polycarbonate resin, electrophotographic photoconductor, p...
- Patent number 6,790,571
- Issue date Sep 14, 2004
- Ricoh Company, Ltd.
- Shinichi Kawamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Diphenol compound, aromatic polycarbonate and electrophotoconductiv...
- Patent number 6,664,361
- Issue date Dec 16, 2003
- Ricoh Company, Ltd.
- Masaomi Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATI...
- Patent number 6,576,386
- Issue date Jun 10, 2003
- Ricoh Company, Ltd.
- Kohkoku Ri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and method of producing aromatic...
- Patent number 6,486,293
- Issue date Nov 26, 2002
- Ricoh Company, Ltd.
- Kohkoku Ri
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Image bearing material, electrophotographic photoreceptor using the...
- Patent number 6,444,387
- Issue date Sep 3, 2002
- Ricoh Company Limited
- Kohkoku Ri
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,316,577
- Issue date Nov 13, 2001
- Hodogaya Chemical Co., Ltd.
- Tomoyuki Shimada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,303,736
- Issue date Oct 16, 2001
- Ricoh Company, Ltd.
- Shinichi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, azo compounds for use in the sa...
- Patent number 6,271,356
- Issue date Aug 7, 2001
- Ricoh Company, Ltd.
- Tomoyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, and process cartridge and image...
- Patent number 6,210,848
- Issue date Apr 3, 2001
- Ricoh Company, Ltd.
- Kazukiyo Nagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,194,535
- Issue date Feb 27, 2001
- Ricoh Company, Ltd.
- Akira Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,191,249
- Issue date Feb 20, 2001
- Ricoh Company, Ltd.
- Chiaki Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and aromatic polycarbonate resin...
- Patent number 6,187,494
- Issue date Feb 13, 2001
- Ricoh Company, Ltd.
- Shinichi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ELECTROCHROMIC COMPOUND, ELECTROCHROMIC COMPOSITION, DISPLAY ELEMEN...
- Publication number 20160108072
- Publication date Apr 21, 2016
- RICOH COMPANY, LTD.
- Mamiko INOUE
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
NOVEL ARYLAMINE POLYMER, METHOD FOR PRODUCING THE SAME, INK COMPOSI...
- Publication number 20150284511
- Publication date Oct 8, 2015
- Toshiya SAGISAKA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CARBAZOLE DERIVATIVE AND SEMICONDUCTOR NANOCRYSTAL
- Publication number 20130026426
- Publication date Jan 31, 2013
- Shigeyuki HARADA
- B82 - NANO-TECHNOLOGY
Information Patent Application
CARBAZOLE POLYMER AND METHOD OF MANUFACTURING SAME
- Publication number 20120065353
- Publication date Mar 15, 2012
- RICOH COMPANY, LTD.,
- Masaomi SASAKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
LIGHT EMITTING DEVICE AND DISPLAY UNIT
- Publication number 20120032115
- Publication date Feb 9, 2012
- RICOH COMPANY, LTD.
- Shigeyuki HARADA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
NOVEL ARYLAMINE POLYMER, METHOD FOR PRODUCING THE SAME, INK COMPOSI...
- Publication number 20100219405
- Publication date Sep 2, 2010
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PHOTOSENSITIZED COMPOSITE MATERIAL, THREE-DIMENSIONAL MEMORY MATERI...
- Publication number 20090323508
- Publication date Dec 31, 2009
- Tatsuya Tomura
- G11 - INFORMATION STORAGE
Information Patent Application
PI-CONJUGATED POLYMER
- Publication number 20070213503
- Publication date Sep 13, 2007
- Masaomi Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NEW ARYL AMINE POLYMER, THIN FILM TRANSISTOR USING THE NEW ARYL AMI...
- Publication number 20070092760
- Publication date Apr 26, 2007
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Arylamine polymer and organic thin film transistor
- Publication number 20070048637
- Publication date Mar 1, 2007
- Takashi Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
pi-Conjugated polymer and manufacturing method thereof
- Publication number 20060247413
- Publication date Nov 2, 2006
- Masaomi Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Electrophotographic photoconductor for liquid development, image fo...
- Publication number 20060024597
- Publication date Feb 2, 2006
- Masayuki Shoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor, process for forming an image, i...
- Publication number 20050112487
- Publication date May 26, 2005
- Masayuki Shoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Aromatic polycarbonate resin, electrophotographic photoconductor, d...
- Publication number 20050106483
- Publication date May 19, 2005
- Masayuki Shoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
3, 6-Diphenylcarbazole compound and organic electroluminescent device
- Publication number 20050084711
- Publication date Apr 21, 2005
- Masaomi Sasaki
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Aromatic polycarbonate resin, electrophotographic photoconductor, p...
- Publication number 20050003287
- Publication date Jan 6, 2005
- Ricoh Company, Ltd.
- Shinichi Kawamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Aryl amine polymer, thin film transistor using the aryl amine polym...
- Publication number 20040212042
- Publication date Oct 28, 2004
- Toshiya Sagisaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Aromatic block polycarbonate resin, diphenol compound for preparati...
- Publication number 20040002574
- Publication date Jan 1, 2004
- RICOH COMPANY, LTD.
- Kohkoku Ri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Electrophotographic photoconductor, process for forming an image, i...
- Publication number 20030190540
- Publication date Oct 9, 2003
- Masayuki Shoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Electrophotographic photoconductor, and process cartridge and elect...
- Publication number 20030059695
- Publication date Mar 27, 2003
- Hongguo Li
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Diphenol compound, aromatic polycarbonate and electrophotoconductiv...
- Publication number 20020147278
- Publication date Oct 10, 2002
- Masaomi Sasaki
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Aromatic polycarbonate resin, electrophotographic photoconductor, p...
- Publication number 20020098430
- Publication date Jul 25, 2002
- Ricoh Company, Ltd.
- Shinichi Kawamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Image bearing material, electrophotographic photoreceptor using the...
- Publication number 20010012594
- Publication date Aug 9, 2001
- RICOH COMPANY LIMITED
- Kohkoku Ri
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masaomi Sasaki

Person

Patents Grantslast 30 patents

Arylamine polymer, method for producing the same, ink composition,...

Electrochromic compound, electrochromic composition, display elemen...

Light emitting device and display unit

Carbazole derivative and semiconductor nanocrystal

Carbazole polymer and method of manufacturing same

Material for multiphoton fluorescence microscope and multiphoton fl...

Pi-conjugated polymer

3, 6-diphenylcarbazole compound and organic electroluminescent device

π-Conjugated polymer and manufacturing method thereof

Aryl amine polymer, thin film transistor using the new aryl amine p...

Electrophotographic photoconductor for liquid development, image fo...

Electrophotographic photoconductor comprising a polycarbonate resin...

Electrophotographic photoconductor, process for forming an image, i...

Aryl amine polymer, thin film transistor using the aryl amine polym...

Aromatic polycarbonate resin, electrophotographic photoconductor, p...

Electrophotographic photoconductor, and process cartridge and elect...

AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATI...

Electrophotographic photoconductor, process for forming an image, i...

Aromatic polycarbonate resin, electrophotographic photoconductor, p...

Diphenol compound, aromatic polycarbonate and electrophotoconductiv...

AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATI...

Electrophotographic photoconductor and method of producing aromatic...

Image bearing material, electrophotographic photoreceptor using the...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor, azo compounds for use in the sa...

Electrophotographic photoconductor, and process cartridge and image...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Patents Applicationslast 30 patents

ELECTROCHROMIC COMPOUND, ELECTROCHROMIC COMPOSITION, DISPLAY ELEMEN...

NOVEL ARYLAMINE POLYMER, METHOD FOR PRODUCING THE SAME, INK COMPOSI...

CARBAZOLE DERIVATIVE AND SEMICONDUCTOR NANOCRYSTAL

CARBAZOLE POLYMER AND METHOD OF MANUFACTURING SAME

LIGHT EMITTING DEVICE AND DISPLAY UNIT

NOVEL ARYLAMINE POLYMER, METHOD FOR PRODUCING THE SAME, INK COMPOSI...

PHOTOSENSITIZED COMPOSITE MATERIAL, THREE-DIMENSIONAL MEMORY MATERI...

PI-CONJUGATED POLYMER

NEW ARYL AMINE POLYMER, THIN FILM TRANSISTOR USING THE NEW ARYL AMI...

Arylamine polymer and organic thin film transistor

pi-Conjugated polymer and manufacturing method thereof

Electrophotographic photoconductor for liquid development, image fo...

Electrophotographic photoconductor, process for forming an image, i...

Aromatic polycarbonate resin, electrophotographic photoconductor, d...

3, 6-Diphenylcarbazole compound and organic electroluminescent device

Aromatic polycarbonate resin, electrophotographic photoconductor, p...

Aryl amine polymer, thin film transistor using the aryl amine polym...

Aromatic block polycarbonate resin, diphenol compound for preparati...

Electrophotographic photoconductor, process for forming an image, i...

Electrophotographic photoconductor, and process cartridge and elect...

Diphenol compound, aromatic polycarbonate and electrophotoconductiv...

Aromatic polycarbonate resin, electrophotographic photoconductor, p...

Image bearing material, electrophotographic photoreceptor using the...