Hiroshi Ueno

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic toner
- Patent number 7,459,252
- Issue date Dec 2, 2008
- Ricoh Printing Systems, Ltd.
- Shigenori Yaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure device for an electrophotographic apparatus
- Patent number 7,339,603
- Issue date Mar 4, 2008
- Ricoh Printing Systems, Ltd.
- Katsumi Ishizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electrophotographic toner and image-forming system
- Patent number 7,327,974
- Issue date Feb 5, 2008
- Ricoh Printing Systems, Ltd.
- Shigenori Yaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Printing system and printing method
- Patent number 6,927,875
- Issue date Aug 9, 2005
- Hitachi Koki Co., Ltd.
- Hiroshi Ueno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electrophotographic apparatus having a printing density controller...
- Patent number 6,377,766
- Issue date Apr 23, 2002
- Hitachi Koki Co., Ltd.
- Hiroshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Release agent supplying member, release agent supplying apparatus a...
- Patent number 5,881,348
- Issue date Mar 9, 1999
- Hitachi Koki Co., Ltd.
- Ken Onodera
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing apparatus and fixing method for electrophotographic apparatus
- Patent number 5,842,098
- Issue date Nov 24, 1998
- Hitachi Koki Co., Ltd.
- Hiroshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Preheating controller for a two-stage electrophotographic printing...
- Patent number 5,652,949
- Issue date Jul 29, 1997
- Hitachi Koki Co., Ltd.
- Hiroyuki Ogawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Developing unit for electro-photographic apparatus
- Patent number 5,579,091
- Issue date Nov 26, 1996
- Hitachi Koki Co., Ltd.
- Koutarou Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic printing system including a plurality of electr...
- Patent number 5,572,290
- Issue date Nov 5, 1996
- Hitachi Koki Co., Ltd.
- Hiroshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner recovering device for electrophotographic apparatus and toner...
- Patent number 5,557,386
- Issue date Sep 17, 1996
- Hitachi Koki Co., Ltd.
- Yuuji Meguro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device in electrophotographic apparatus including develo...
- Patent number 5,545,840
- Issue date Aug 13, 1996
- Hitachi Koki Co., Ltd.
- Koji Doi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus having developer regulating member
- Patent number 5,516,982
- Issue date May 14, 1996
- Hitachi Koki Co., Ltd.
- Youichi Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit for an electrophotographic apparatus
- Patent number 5,483,322
- Issue date Jan 9, 1996
- Hitachi Koki Co., Ltd.
- Yukio Otome
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device having a developer mixing chamber for use in elec...
- Patent number 5,453,820
- Issue date Sep 26, 1995
- Hitachi Koki Co., Ltd.
- Hiroshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical recording apparatus and method for adding information in a...
- Patent number 5,402,409
- Issue date Mar 28, 1995
- Hitachi Koki Co., Ltd.
- Keiji Kataoka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Toner density detection method for electrophotographic apparatus
- Patent number 5,359,396
- Issue date Oct 25, 1994
- Hitachi Koki Co., Ltd.
- Yoshio Ogura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of operating electrophotographic printing apparatus
- Patent number 5,111,235
- Issue date May 5, 1992
- Hitachi Koki Co., Ltd.
- Hiroshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic device with controlled exposed potential
- Patent number 4,910,555
- Issue date Mar 20, 1990
- Hitachi Koki Co., Ltd.
- Osamu Namikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Electrophotographic toner and image-forming system
- Publication number 20070134580
- Publication date Jun 14, 2007
- Ricoh Printing Systems, Ltd.
- Shigenori Yaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Exposure device for an electrophotographic apparatus
- Publication number 20040227808
- Publication date Nov 18, 2004
- Hitachi Printing Solutions, Ltd.
- Katsumi Ishizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electrophotographic toner and image-forming system
- Publication number 20040053153
- Publication date Mar 18, 2004
- HITACHI PRINTING SOLUTIONS, LTD.
- Shigenori Yaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Printing system and printing method
- Publication number 20010021027
- Publication date Sep 13, 2001
- Hiroshi Ueno
- G06 - COMPUTING CALCULATING COUNTING

Hiroshi Ueno

Person

Patents Grantslast 30 patents

Electrophotographic toner

Exposure device for an electrophotographic apparatus

Electrophotographic toner and image-forming system

Printing system and printing method

Electrophotographic apparatus having a printing density controller...

Release agent supplying member, release agent supplying apparatus a...

Fixing apparatus and fixing method for electrophotographic apparatus

Preheating controller for a two-stage electrophotographic printing...

Developing unit for electro-photographic apparatus

Electrophotographic printing system including a plurality of electr...

Toner recovering device for electrophotographic apparatus and toner...

Developing device in electrophotographic apparatus including develo...

Developing apparatus having developer regulating member

Developing unit for an electrophotographic apparatus

Developing device having a developer mixing chamber for use in elec...

Optical recording apparatus and method for adding information in a...

Toner density detection method for electrophotographic apparatus

Method of operating electrophotographic printing apparatus

Electrophotographic device with controlled exposed potential

Patents Applicationslast 30 patents

Electrophotographic toner and image-forming system

Exposure device for an electrophotographic apparatus

Electrophotographic toner and image-forming system

Printing system and printing method