Hiroyuki Obata

Person

Tokyo, JP

People

Patents Grantslast 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
Image recording method
- Patent number 5,981,122
- Issue date Nov 9, 1999
- Dai Nippon Printing Co., Ltd.
- Hiroyuki Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Image recording method
- Patent number 5,665,497
- Issue date Sep 9, 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
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
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
Printing plate using a charge carrier medium
- Patent number 5,519,469
- Issue date May 21, 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
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
Method for manufacturing a printing plate using a charge carrier me...
- Patent number 5,414,496
- Issue date May 9, 1995
- Dai Nippon Printing Co., Ltd.
- Hiroyuki Obata
- 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
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
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
Information Patent Grant
Method for toner development of electrostatic latent image and for...
- Patent number 5,194,352
- Issue date Mar 16, 1993
- Dai Nippon Printing Co., Ltd.
- Hiroyuki Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for recording and reproducing information, apparatus therefo...
- Patent number 5,161,233
- Issue date Nov 3, 1992
- Dai Nippon Printing Co., Ltd.
- Makoto Matsuo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multicolor sublimation type thermal recording method including colo...
- Patent number 4,967,283
- Issue date Oct 30, 1990
- Dai Nippon Insatsu Kabushiki Kaisha
- Takashi Uchiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 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

Hiroyuki Obata

Person

Patents Grantslast 30 patents

Method for recording and reproducing information, apparatus therefo...

Photosensitive member and electrostatic information recording method

Color imaging system with selectively openable optical shutter

Image recording method

Electrostatic information recording medium and electrostatic inform...

Electrostatic information recording medium and electrostatic inform...

Electrostatic information recording medium and electrostatic inform...

Method of producing information recording medium

Frost image recording medium and method of and apparatus for formin...

Image recording method

Information recording medium, and information recording and reprodu...

Method for recording and reproducing information, apparatus therefo...

Electrostatic information recording medium and electrostatic inform...

Electrostatic information-recording media and process for recording...

Potential sensor employing electrooptic crystal and potential measu...

Frost image recording medium and method of and apparatus for formin...

Printing plate using a charge carrier medium

Information recording medium, and information recording a reproduci...

Electrostatic information-recording media and process for recording...

Moving image pickup device, medium for picking up moving images and...

Electrostatic information recording medium and electrostatic inform...

Potential sensor employing electrooptic crystal and potential measu...

Electrostatic information recording medium and method of recording...

Method for manufacturing a printing plate using a charge carrier me...

Frost image recording medium and method of and apparatus for formin...

Process for recording images on an electrostatic information record...

Electrostatic printing method

Method for toner development of electrostatic latent image and for...

Method for recording and reproducing information, apparatus therefo...

Multicolor sublimation type thermal recording method including colo...

Patents Applicationslast 30 patents

METHOD FOR RECORDING AND REPRODUCING INFORMATION, APPARATUS THEREFO...