Tamotsu ARUGA

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ink, ink container, and inkjet recording device
- Patent number 10,414,932
- Issue date Sep 17, 2019
- Ricoh Company, Ltd.
- Kazuhiko Umemura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Copolymer, aqueous ink, and ink cartridge
- Patent number 8,998,400
- Issue date Apr 7, 2015
- Ricoh Company, Ltd.
- Shigeyuki Harada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of producing film by inkjet process, and film
- Patent number 8,815,140
- Issue date Aug 26, 2014
- Ricoh Company, Ltd.
- Tamotsu Aruga
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Inkjet image forming apparatus and inkjet image forming method
- Patent number 8,807,731
- Issue date Aug 19, 2014
- Ricoh Company, Ltd.
- Noriyasu Takeuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording method, ink jet recording apparatus, and ink jet...
- Patent number 8,740,374
- Issue date Jun 3, 2014
- Ricoh Company, Ltd.
- Shin-ya Seno
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ultraviolet crosslinking ink and inkjet recording method
- Patent number 8,727,522
- Issue date May 20, 2014
- Ricoh Company, Ltd.
- Tsutomu Maekawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ultraviolet crosslinking inkjet ink, ink cartridge containing same,...
- Patent number 8,708,475
- Issue date Apr 29, 2014
- Ricoh Company, Ltd.
- Tomoko Hasegawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording method
- Patent number 8,632,174
- Issue date Jan 21, 2014
- Ricoh Company, Ltd.
- Soh Noguchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink for recording, and ink cartridge, ink recorded matter, inkjet r...
- Patent number 8,556,405
- Issue date Oct 15, 2013
- Ricoh Company, Ltd.
- Hisashi Habashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
[1]benzothieno[3,2-B][1]benzothiophene compound and method for prod...
- Patent number 8,440,713
- Issue date May 14, 2013
- Ricoh Company, Ltd.
- Daisuke Goto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ink set, ink cartridge, inkjet recording method, and inkjet recordi...
- Patent number 8,435,339
- Issue date May 7, 2013
- Ricoh Company, Ltd.
- Masayuki Koyano
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording ink as well as ink media set, ink cartridge, ink recorded...
- Patent number 8,328,343
- Issue date Dec 11, 2012
- Ricoh Company, Ltd.
- Tamotsu Aruga
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Benzobisthiazole compound, benzobisthiazole polymer, organic film i...
- Patent number 8,193,304
- Issue date Jun 5, 2012
- Ricoh Company Limited
- Satoshi Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recording ink, ink media set, ink cartridge, ink recorded matter, i...
- Patent number 8,173,227
- Issue date May 8, 2012
- Ricoh Company, Ltd.
- Naoya Morohoshi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink for recording, and ink cartridge, ink recorded matter, inkjet r...
- Patent number 8,044,114
- Issue date Oct 25, 2011
- Ricoh Company, Ltd.
- Hisashi Habashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Recording ink, ink cartridge, ink record, inkjet recording apparatu...
- Patent number 7,950,793
- Issue date May 31, 2011
- Ricoh Company, Ltd.
- Tamotsu Aruga
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-media set, ink composition, ink cartridge, inkjet recording met...
- Patent number 7,919,544
- Issue date Apr 5, 2011
- Ricoh Company, Ltd.
- Akihiko Matsuyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Organic thin-film transistor
- Patent number 7,816,674
- Issue date Oct 19, 2010
- Ricoh Company, Ltd.
- Takuji Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image forming apparatus having improved capability for maintaining...
- Patent number 7,621,608
- Issue date Nov 24, 2009
- Ricoh Company, Ltd.
- Masanori Kusunoki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus, image forming method, process cartridge, p...
- Patent number 6,699,631
- Issue date Mar 2, 2004
- Ricoh Company, Ltd.
- Yuka Miyamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, electrophotographic image formin...
- Patent number 6,558,863
- Issue date May 6, 2003
- Ricoh Company Limited
- Takashi Rokutanzono
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, production process thereof, ele...
- Patent number 6,355,390
- Issue date Mar 12, 2002
- Ricoh Company, Ltd.
- Hirofumi Yamanami
- 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 6,027,846
- Issue date Feb 22, 2000
- Ricoh Company, Ltd.
- Tomoyuki Shimada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophotographic photoconductor containing charge generating azo...
- Patent number 5,863,683
- Issue date Jan 26, 1999
- Ricoh Company, Ltd.
- Katsuichi Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for preparing the pyrenylamine derivatives
- Patent number 5,672,728
- Issue date Sep 30, 1997
- Ricoh Company, Ltd.
- Chiaki Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triphenylamine compound for use in electrophotographic photoconductors
- Patent number 5,672,756
- Issue date Sep 30, 1997
- Ricoh Company, Ltd.
- Tomoyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diamine compounds for use in electrophotographic photoconductors
- Patent number 5,631,404
- Issue date May 20, 1997
- Ricoh Company, Ltd.
- Mitsutoshi Anzai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charge transporting materials and electrophotographic photoconducto...
- Patent number 5,616,801
- Issue date Apr 1, 1997
- Ricoh Company, Ltd.
- Tomoyuki Shimada
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
INK, INK CONTAINER, AND INKJET RECORDING DEVICE
- Publication number 20170107389
- Publication date Apr 20, 2017
- Kazuhiko UMEMURA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE
- Publication number 20140198160
- Publication date Jul 17, 2014
- RICOH COMPANY, LTD.
- Shigeyuki Harada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD OF PRODUCING FILM BY INKJET PROCESS, AND FILM
- Publication number 20130065024
- Publication date Mar 14, 2013
- Tamotsu Aruga
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
INK JET RECORDING METHOD, INK JET RECORDING APPARATUS, AND INK JET...
- Publication number 20120242768
- Publication date Sep 27, 2012
- Shin-ya SENO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
ULTRAVIOLET CROSSLINKING INK AND INKJET RECORDING METHOD
- Publication number 20120176456
- Publication date Jul 12, 2012
- RICOH COMPANY, LTD.,
- Tsutomu MAEKAWA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ULTRAVIOLET CROSSLINKING INKJET INK, INK CARTRIDGE CONTAINING SAME,...
- Publication number 20120147103
- Publication date Jun 14, 2012
- Tomoko HASEGAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK JET RECORDING METHOD
- Publication number 20120086762
- Publication date Apr 12, 2012
- RICOH COMPANY, LTD.
- Soh NOGUCHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK FOR RECORDING, AND INK CARTRIDGE, INK RECORDED MATTER, INKJET R...
- Publication number 20110300353
- Publication date Dec 8, 2011
- Hisashi HABASHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INKJET IMAGE FORMING APPARATUS AND INKJET IMAGE FORMING METHOD
- Publication number 20110298876
- Publication date Dec 8, 2011
- Noriyasu Takeuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
RECORDING INK AS WELL AS INK MEDIA SET, INK CARTRIDGE, INK RECORDED...
- Publication number 20110057981
- Publication date Mar 10, 2011
- Tamotsu Aruga
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
[1]BENZOTHIENO[3,2-B][1]BENZOTHIOPHENE COMPOUND AND METHOD FOR PROD...
- Publication number 20110040107
- Publication date Feb 17, 2011
- Daisuke Goto
- C07 - ORGANIC CHEMISTRY
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
INK SET, INK CARTRIDGE, INKJET RECORDING METHOD, AND INKJET RECORDI...
- Publication number 20100196602
- Publication date Aug 5, 2010
- Masayuki Koyano
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
RECORDING INK, INK CARTRIDGE, INK MEDIA SET, INK- JET RECORDING MET...
- Publication number 20100196601
- Publication date Aug 5, 2010
- Hiroshi Goto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK FOR RECORDING, AND INK CARTRIDGE, INK RECORDED MATTER, INKJET R...
- Publication number 20090239044
- Publication date Sep 24, 2009
- Hisashi Habashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
BENZOBISTHIAZOLE COMPOUND, BENZOBISTHIAZOLE POLYMER, ORGANIC FILM I...
- Publication number 20090230386
- Publication date Sep 17, 2009
- Satoshi Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RECORDING INK, INK MEDIA SET, INK CARTRIDGE, INK RECORDED MATTER, I...
- Publication number 20090162569
- Publication date Jun 25, 2009
- Naoya Morohoshi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK-MEDIA SET, INK COMPOSITION, INK CARTRIDGE, INKJET RECORDING MET...
- Publication number 20090043028
- Publication date Feb 12, 2009
- Akihiko Matsuyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Organic thin-film transistor
- Publication number 20080067507
- Publication date Mar 20, 2008
- Takuji Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Recording Ink, Ink Cartridge, Ink Record, Inkjet Recording Apparatu...
- Publication number 20070221079
- Publication date Sep 27, 2007
- Tamotsu Aruga
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
RECORDING INK AS WELL AS INK MEDIA SET, INK CARTRIDGE, INK RECORDED...
- Publication number 20070197685
- Publication date Aug 23, 2007
- Tamotsu Aruga
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Image forming apparatus having improved capability for maintaining...
- Publication number 20060279603
- Publication date Dec 14, 2006
- Masanori Kusunoki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Image forming apparatus, image forming method, process cartridge, p...
- Publication number 20020160287
- Publication date Oct 31, 2002
- Yuka Miyamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, electrophotographic image formin...
- Publication number 20010016296
- Publication date Aug 23, 2001
- Ricoh Company Limited
- Takashi Rokutanzono
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Tamotsu ARUGA

Person

Patents Grantslast 30 patents

Ink, ink container, and inkjet recording device

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

Copolymer, aqueous ink, and ink cartridge

Method of producing film by inkjet process, and film

Inkjet image forming apparatus and inkjet image forming method

Ink jet recording method, ink jet recording apparatus, and ink jet...

Ultraviolet crosslinking ink and inkjet recording method

Ultraviolet crosslinking inkjet ink, ink cartridge containing same,...

Ink jet recording method

Ink for recording, and ink cartridge, ink recorded matter, inkjet r...

[1]benzothieno[3,2-B][1]benzothiophene compound and method for prod...

Ink set, ink cartridge, inkjet recording method, and inkjet recordi...

Recording ink as well as ink media set, ink cartridge, ink recorded...

Benzobisthiazole compound, benzobisthiazole polymer, organic film i...

Recording ink, ink media set, ink cartridge, ink recorded matter, i...

Ink for recording, and ink cartridge, ink recorded matter, inkjet r...

Recording ink, ink cartridge, ink record, inkjet recording apparatu...

Ink-media set, ink composition, ink cartridge, inkjet recording met...

Organic thin-film transistor

Image forming apparatus having improved capability for maintaining...

Image forming apparatus, image forming method, process cartridge, p...

Electrophotographic photoreceptor, electrophotographic image formin...

Electrophotographic photoconductor, production process thereof, ele...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor and aromatic polycarbonate resin...

Electrophotographic photoconductor containing charge generating azo...

Method for preparing the pyrenylamine derivatives

Triphenylamine compound for use in electrophotographic photoconductors

Diamine compounds for use in electrophotographic photoconductors

Charge transporting materials and electrophotographic photoconducto...

Patents Applicationslast 30 patents

INK, INK CONTAINER, AND INKJET RECORDING DEVICE

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

COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE

METHOD OF PRODUCING FILM BY INKJET PROCESS, AND FILM

INK JET RECORDING METHOD, INK JET RECORDING APPARATUS, AND INK JET...

ULTRAVIOLET CROSSLINKING INK AND INKJET RECORDING METHOD

ULTRAVIOLET CROSSLINKING INKJET INK, INK CARTRIDGE CONTAINING SAME,...

INK JET RECORDING METHOD

INK FOR RECORDING, AND INK CARTRIDGE, INK RECORDED MATTER, INKJET R...

INKJET IMAGE FORMING APPARATUS AND INKJET IMAGE FORMING METHOD

RECORDING INK AS WELL AS INK MEDIA SET, INK CARTRIDGE, INK RECORDED...

[1]BENZOTHIENO[3,2-B][1]BENZOTHIOPHENE COMPOUND AND METHOD FOR PROD...

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

INK SET, INK CARTRIDGE, INKJET RECORDING METHOD, AND INKJET RECORDI...

RECORDING INK, INK CARTRIDGE, INK MEDIA SET, INK- JET RECORDING MET...

INK FOR RECORDING, AND INK CARTRIDGE, INK RECORDED MATTER, INKJET R...

BENZOBISTHIAZOLE COMPOUND, BENZOBISTHIAZOLE POLYMER, ORGANIC FILM I...

RECORDING INK, INK MEDIA SET, INK CARTRIDGE, INK RECORDED MATTER, I...

INK-MEDIA SET, INK COMPOSITION, INK CARTRIDGE, INKJET RECORDING MET...

Organic thin-film transistor

Recording Ink, Ink Cartridge, Ink Record, Inkjet Recording Apparatu...

RECORDING INK AS WELL AS INK MEDIA SET, INK CARTRIDGE, INK RECORDED...

Image forming apparatus having improved capability for maintaining...

Image forming apparatus, image forming method, process cartridge, p...

Electrophotographic photoreceptor, electrophotographic image formin...