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Minoru Utsumi
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for recording and reproducing information, apparatus therefo...
Patent number
6,493,013
Issue date
Dec 10, 2002
Dainippon Printing Co., Ltd.
Hiroyuki Obata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Photosensitive member and electrostatic information recording method
Patent number
6,025,857
Issue date
Feb 15, 2000
Dai Nippon Printing Co., Ltd.
Hiroyuki Obata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color imaging system with selectively openable optical shutter
Patent number
5,983,057
Issue date
Nov 9, 1999
Dai Nippon Printing Co. Ltd
Makoto Matsuo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electrostatic information recording medium and electrostatic inform...
Patent number
5,981,123
Issue date
Nov 9, 1999
Dai Nippon Printing Co. Ltd
Makoto Matsuo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic information recording medium and electrostatic inform...
Patent number
5,731,116
Issue date
Mar 24, 1998
Dai Nippon Printing Co., Ltd.
Makoto Matsuo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic information recording medium and electrostatic inform...
Patent number
5,718,996
Issue date
Feb 17, 1998
Dai Nippon Printing Co., Ltd.
Masayuki Iijima
G02 - OPTICS
Information
Patent Grant
Method of producing information recording medium
Patent number
5,683,838
Issue date
Nov 4, 1997
Dai Nippon Printing Co., Ltd.
Masayuki Iijima
G02 - OPTICS
Information
Patent Grant
Frost image recording medium and method of and apparatus for formin...
Patent number
5,672,453
Issue date
Sep 30, 1997
Dai Nippon Printing Co., Ltd.
Hiroyuki Obata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Information recording medium, and information recording and reprodu...
Patent number
5,660,958
Issue date
Aug 26, 1997
Dai Nippon Printing Co., Ltd.
Masayuki Iijima
G02 - OPTICS
Information
Patent Grant
Preparation and reproduction of filters and preparation of filter p...
Patent number
5,650,247
Issue date
Jul 22, 1997
Dai Nippon Printing Co., Ltd.
Yukio Taniguchi
G02 - OPTICS
Information
Patent Grant
Packaged photographic film with a plurality of liquid crystal recor...
Patent number
5,646,927
Issue date
Jul 8, 1997
Dai Nippon Printing Co., Ltd.
Osamu Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for recording and reproducing information, apparatus therefo...
Patent number
5,638,103
Issue date
Jun 10, 1997
Dai Nippon Printing Co., Ltd.
Hiroyuki Obata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Preparation and reproduction of filters and preparation of filter p...
Patent number
5,635,317
Issue date
Jun 3, 1997
Dai Nippon Printing Co., Ltd.
Yukio Taniguchi
G02 - OPTICS
Information
Patent Grant
Photoelectric sensor, information recording system, and information...
Patent number
5,629,920
Issue date
May 13, 1997
Dai Nippon Printing Co., Ltd.
Shinichi Sakano
G11 - INFORMATION STORAGE
Information
Patent Grant
Electrostatic information recording medium and electrostatic inform...
Patent number
5,587,264
Issue date
Dec 24, 1996
Dai Nippon Printing Co. Ltd
Masayuki Iijima
G02 - OPTICS
Information
Patent Grant
Electrostatic information-recording media and process for recording...
Patent number
5,571,646
Issue date
Nov 5, 1996
Dai Nippon Printing Co., Ltd.
Minoru Utsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Potential sensor employing electrooptic crystal and potential measu...
Patent number
5,550,370
Issue date
Aug 27, 1996
Dai Nippon Printing Co., Ltd.
Atsushi Takano
G01 - MEASURING TESTING
Information
Patent Grant
Frost image recording medium and method of and apparatus for formin...
Patent number
5,521,040
Issue date
May 28, 1996
Dai Nippon Printing Co., Ltd.
Hiroyuki Obata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Information recording medium, and information recording a reproduci...
Patent number
5,514,504
Issue date
May 7, 1996
Dai Nippon Printing Co., Ltd.
Masayuki Iijima
G02 - OPTICS
Information
Patent Grant
Electrostatic information-recording media and process for recording...
Patent number
5,492,783
Issue date
Feb 20, 1996
Dai Nippon Printing Co., Ltd.
Minoru Utsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoelectric sensor, information recording system, and information...
Patent number
5,488,601
Issue date
Jan 30, 1996
Dai Nippon Printing Co., Ltd.
Shinichi Sakano
G11 - INFORMATION STORAGE
Information
Patent Grant
Moving image pickup device, medium for picking up moving images and...
Patent number
5,450,168
Issue date
Sep 12, 1995
Dai Nippon Printing Co., Ltd.
Minoru Utsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic information recording medium and electrostatic inform...
Patent number
5,439,768
Issue date
Aug 8, 1995
Dai Nippon Printing Co., Ltd.
Makoto Matsuo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Potential sensor employing electrooptic crystal and potential measu...
Patent number
5,434,698
Issue date
Jul 18, 1995
Dai Nippon Printing Co., Ltd.
Atsushi Takano
G01 - MEASURING TESTING
Information
Patent Grant
Electrostatic information recording medium and method of recording...
Patent number
5,424,156
Issue date
Jun 13, 1995
Dai Nippon Printing Co., Ltd.
Daigo Aoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Frost image recording medium and method of and apparatus for formin...
Patent number
5,378,565
Issue date
Jan 3, 1995
Dai Nippon Printing Co., Ltd.
Hiroyuki Obata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Converting device including variable electroconductivity material,...
Patent number
5,373,348
Issue date
Dec 13, 1994
Dai Nippon Insatsu Kabushiki Kaisha
Eiichi Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for recording images on an electrostatic information record...
Patent number
5,298,947
Issue date
Mar 29, 1994
Dai Nippon Printing Co., Ltd.
Takashi Aono
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical recording members and method for production thereof
Patent number
5,224,090
Issue date
Jun 29, 1993
Dai Nippon Insatsu Kabushiki Kaisha
Kazuo Umeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Electrostatic printing method
Patent number
5,213,922
Issue date
May 25, 1993
Dai Nippon Printing Co., Ltd.
Makoto Matsuo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR RECORDING AND REPRODUCING INFORMATION, APPARATUS THEREFO...
Publication number
20020005888
Publication date
Jan 17, 2002
DAI NIPPON PRINTING
HIROYUKI OBATA
G06 - COMPUTING CALCULATING COUNTING