Membership
Tour
Register
Log in
Takao Umeda
Follow
Person
Mito-shi, Ibaraki-ken, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Transfer apparatus, method of manufacturing the transfer apparatus...
Patent number
7,873,312
Issue date
Jan 18, 2011
Ricoh Company, Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer transporting amount controlling member, developing appara...
Patent number
7,643,779
Issue date
Jan 5, 2010
Ricoh Company, Ltd.
Hiroyuki Mabuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device for image forming apparatus
Patent number
6,345,163
Issue date
Feb 5, 2002
Hitachi Koki Co. Ltd.
Katsuhiko Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with adjusting device
Patent number
6,330,403
Issue date
Dec 11, 2001
Hitachi Koki Co., Ltd.
Akio Tsujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatographic printing machine
Patent number
6,144,836
Issue date
Nov 7, 2000
Hitachi Koki Co., Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Paper carrying device in electrostatic recording apparatus
Patent number
6,101,347
Issue date
Aug 8, 2000
Hitachi Koki Co., Ltd.
Takashi Rokutanda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic printing apparatus having an erase lamp
Patent number
6,070,032
Issue date
May 30, 2000
Hitachi Koki Co., Ltd.
Takashi Rokutanda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for printing on both sides of an image printing medium by...
Patent number
6,032,015
Issue date
Feb 29, 2000
Hitachi Koki Co, Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for printing images on both sides of an image printing me...
Patent number
5,848,323
Issue date
Dec 8, 1998
Hitachi Koki Co., Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic recording apparatus and electrostatic recording method
Patent number
5,832,333
Issue date
Nov 3, 1998
Hitachi Koki Co., Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic recording control method and electrostatic recording...
Patent number
5,659,841
Issue date
Aug 19, 1997
Hitachi Koki Co., Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development apparatus having a plurality of rolls rotated at partic...
Patent number
5,630,201
Issue date
May 13, 1997
Hitachi Koki Co., Ltd.
Katsuhiko Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
High-speed electrophotographic fixing unit
Patent number
5,623,331
Issue date
Apr 22, 1997
Hitachi Koki Co., Ltd.
Tadahiro Kaneko
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Bias cleaning system and electrostatic printing apparatus therewith...
Patent number
5,600,405
Issue date
Feb 4, 1997
Hitachi, Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Imaging apparatus and method for cleaning transfer/conveyer means
Patent number
5,579,096
Issue date
Nov 26, 1996
Hitachi Koki Co., Ltd.
Yousuke Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic recording apparatus with electrified cap and managing...
Patent number
5,559,578
Issue date
Sep 24, 1996
Hitachi, Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for displaying image information recorded on a document a...
Patent number
5,515,144
Issue date
May 7, 1996
Hitachi, Ltd.
Toru Miyasaka
G02 - OPTICS
Information
Patent Grant
Electrostatic recording apparatus, method of controlling the appara...
Patent number
5,504,556
Issue date
Apr 2, 1996
Hitachi, Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Information recording system capable of protecting secrecy
Patent number
5,452,058
Issue date
Sep 19, 1995
Hitachi, Ltd.
Takao Umeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electrostatic recording apparatus, method of controlling the appara...
Patent number
5,404,201
Issue date
Apr 4, 1995
Hitachi, Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic recording apparatus and managing system thereof
Patent number
5,373,351
Issue date
Dec 13, 1994
Hitachi, Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Printing and binding apparatus
Patent number
5,331,387
Issue date
Jul 19, 1994
Hitachi, Ltd.
Hisao Okada
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Image forming apparatus capable of preventing the winding on the im...
Patent number
5,321,477
Issue date
Jun 14, 1994
Hitachi, Ltd.
Tetuya Nagata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image formation apparatus having tuck prevention control means
Patent number
5,291,228
Issue date
Mar 1, 1994
Hitachi, Ltd.
Nagata Tetsuya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multiplexed driving method for an electrooptical device, and circui...
Patent number
5,252,954
Issue date
Oct 12, 1993
Hitachi, Ltd.
Tetsuya Nagata
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Device for measuring surface potentials at photosensitive body and...
Patent number
5,182,596
Issue date
Jan 26, 1993
Hitachi Koki Co., Ltd.
Takashi Nakazawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic recorder and electrostatic latent image measuring ins...
Patent number
5,177,531
Issue date
Jan 5, 1993
Hitachi, Ltd.
Toru Miyasaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic recording apparatus, method of controlling the appara...
Patent number
5,138,380
Issue date
Aug 11, 1992
Hitachi Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus and method for driving an optical printer having a liquid...
Patent number
5,095,376
Issue date
Mar 10, 1992
Hitachi, Ltd.
Takao Umeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Duplex reproducing apparatus with device for cooling and conveying...
Patent number
4,959,693
Issue date
Sep 25, 1990
Hitachi, Ltd.
Teruaki Mitsuya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
TRANSFER APPARATUS, METHOD OF MANUFACTURING THE TRANSFER APPARATUS...
Publication number
20080152399
Publication date
Jun 26, 2008
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer transporting amount controlling member, developing appara...
Publication number
20070196138
Publication date
Aug 23, 2007
Hiroyuki Mabuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY