Tsuyoshi Itagoshi

Person

Matsudo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ferrite core material for resin-filled type carrier, resin-filled t...
- Patent number 8,628,905
- Issue date Jan 14, 2014
- Powdertech Co. Ltd.
- Hiromichi Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ferrite carrier for electrophotographic developer, method for produ...
- Patent number 7,906,265
- Issue date Mar 15, 2011
- Powdertech Co., Ltd.
- Tomoyuki Suwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for electrophotographic developer, and electrophotographic...
- Patent number 7,566,519
- Issue date Jul 28, 2009
- Powdertech Co., Ltd.
- Hiromichi Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier core material, coated carrier, and two-component developing...
- Patent number 7,553,597
- Issue date Jun 30, 2009
- Powdertech Co., Ltd.
- Hiromichi Kobayashi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Two-component developer having a resin coated carrier for electroph...
- Patent number 7,470,497
- Issue date Dec 30, 2008
- Panasonic Corporation
- Yasuhito Yuasa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier core material, coated carrier, two-component developing age...
- Patent number 7,183,033
- Issue date Feb 27, 2007
- Powdertech Co., Ltd.
- Issei Shinmura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dry two-component type developer for electrophotography
- Patent number 6,905,806
- Issue date Jun 14, 2005
- Powdertech Co., Ltd.
- Takeshi Naito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for electrophotographic developer and developer containing...
- Patent number 6,686,113
- Issue date Feb 3, 2004
- Powdertech Co., Ltd.
- Hiromichi Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for electrophotographic developer and developer containing...
- Patent number 6,627,369
- Issue date Sep 30, 2003
- Powdertech Co., Ltd.
- Hiromichi Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Two component developing agent and an image forming apparatus by us...
- Patent number 6,544,707
- Issue date Apr 8, 2003
- Fujitsu Limited
- Yasushige Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ferrite carrier for electrophotographic developer and electrophotog...
- Patent number 5,976,747
- Issue date Nov 2, 1999
- Powdertech Co., Ltd.
- Yuji Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Regeneration of carrier and electrophotographic developer containin...
- Patent number 5,965,317
- Issue date Oct 12, 1999
- Powdertech Co., Ltd.
- Yuji Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CARRIER FOR AN ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPH...
- Publication number 20090297974
- Publication date Dec 3, 2009
- POWDERTECH CO., LTD.
- Takashi KOJIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC DEVELOPER CARRIER AND ELECTROPHOTOGRAPHIC DEVEL...
- Publication number 20090170022
- Publication date Jul 2, 2009
- POWDERTECH CO., LTD.
- Takashi KOJIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Ferrite carrier for electrophotographic developer, method for produ...
- Publication number 20070231731
- Publication date Oct 4, 2007
- POWDERTECH CO., LTD.
- Tomoyuki Suwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Carrier for electrophotographic developer, and electrophotographic...
- Publication number 20070048649
- Publication date Mar 1, 2007
- POWDERTECH CO., LTD.
- Hiromichi Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Ferrite core material for resin-filled type carrier, resin-filled t...
- Publication number 20060269862
- Publication date Nov 30, 2006
- POWDERTECH CO., LTD.
- Hiromichi Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Carrier for electrophotography
- Publication number 20060051695
- Publication date Mar 9, 2006
- Yasuhito Yuasa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Carrier core material, coated carrier, two-component developing age...
- Publication number 20040229151
- Publication date Nov 18, 2004
- POWDERTECH CO., LTD.
- Hiromichi Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Carrier core material, coated carrier, two-component developing age...
- Publication number 20040185366
- Publication date Sep 23, 2004
- Issei Shinmura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Dry two-component type developer for electrophotography
- Publication number 20040043320
- Publication date Mar 4, 2004
- POWDERTECH CO., LTD.
- Takeshi Naito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Carrier for electrophotographic developer and developer containing...
- Publication number 20030091923
- Publication date May 15, 2003
- POWDERTECH CO., LTD.
- Hiromichi Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Carrier for electrophotographic developer and developer containing...
- Publication number 20020177061
- Publication date Nov 28, 2002
- POWDERTECH CO., LTD.
- Hiromichi Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Two component developing agent and an image forming apparatus by us...
- Publication number 20020064724
- Publication date May 30, 2002
- Yasushige Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Tsuyoshi Itagoshi

Person

Patents Grantslast 30 patents

Ferrite core material for resin-filled type carrier, resin-filled t...

Ferrite carrier for electrophotographic developer, method for produ...

Carrier for electrophotographic developer, and electrophotographic...

Carrier core material, coated carrier, and two-component developing...

Two-component developer having a resin coated carrier for electroph...

Carrier core material, coated carrier, two-component developing age...

Dry two-component type developer for electrophotography

Carrier for electrophotographic developer and developer containing...

Carrier for electrophotographic developer and developer containing...

Two component developing agent and an image forming apparatus by us...

Ferrite carrier for electrophotographic developer and electrophotog...

Regeneration of carrier and electrophotographic developer containin...

Patents Applicationslast 30 patents

CARRIER FOR AN ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTROPHOTOGRAPH...

ELECTROPHOTOGRAPHIC DEVELOPER CARRIER AND ELECTROPHOTOGRAPHIC DEVEL...

Ferrite carrier for electrophotographic developer, method for produ...

Carrier for electrophotographic developer, and electrophotographic...

Ferrite core material for resin-filled type carrier, resin-filled t...

Carrier for electrophotography

Carrier core material, coated carrier, two-component developing age...

Carrier core material, coated carrier, two-component developing age...

Dry two-component type developer for electrophotography

Carrier for electrophotographic developer and developer containing...

Carrier for electrophotographic developer and developer containing...

Two component developing agent and an image forming apparatus by us...