Inventor
UTSUMI MINORU
JP35 patents
Patents
35 patentsUS5731116AMar 24, 1998
Electrostatic information recording medium and electrostatic information recording and reproducing method
DAINIPPON PRINTING CO LTD112 citations98
US5638103AJun 10, 1997
Method for recording and reproducing information, apparatus therefor and recording medium
DAINIPPON PRINTING CO LTD163 citations98
US5650247AJul 22, 1997
Preparation and reproduction of filters and preparation of filter photographic materials
DAINIPPON PRINTING CO LTD50 citations96
US5635317AJun 3, 1997
Preparation and reproduction of filters and preparation of filter photographic materials
DAINIPPON PRINTING CO LTD60 citations96
US5424156AJun 13, 1995
Electrostatic information recording medium and method of recording and reproducing electrostatic information
DAINIPPON PRINTING CO LTD71 citations96
US5161233ANov 3, 1992
Method for recording and reproducing information, apparatus therefor and recording medium
DAINIPPON PRINTING CO LTD80 citations96
US6493013B2Dec 10, 2002
Method for recording and reproducing information, apparatus therefor and recording medium
DAINIPPON PRINTING CO LTD18 citations92
US5981123ANov 9, 1999
Electrostatic information recording medium and electrostatic information recording and reproducing method
DAINIPPON PRINTING CO LTD19 citations92
US5718996AFeb 17, 1998
Electrostatic information recording medium and electrostatic information recording and reproducing method
DAINIPPON PRINTING CO LTD39 citations92
US5646927AJul 8, 1997
Packaged photographic film with a plurality of liquid crystal recording regions
DAINIPPON PRINTING CO LTD20 citations92
US5629920AMay 13, 1997
Photoelectric sensor, information recording system, and information recording method
DAINIPPON PRINTING CO LTD29 citations92
US5587264ADec 24, 1996
Electrostatic information recording medium and electrostatic information recording and reproducing method
DAINIPPON PRINTING CO LTD40 citations92
US5514504AMay 7, 1996
Information recording medium, and information recording a reproducing method
DAINIPPON PRINTING CO LTD22 citations92
US5488601AJan 30, 1996
Photoelectric sensor, information recording system, and information recording method
DAINIPPON PRINTING CO LTD34 citations92
US5439768AAug 8, 1995
Electrostatic information recording medium and electrostatic information recording and reproducing method
DAINIPPON PRINTING CO LTD29 citations92
US5983057ANov 9, 1999
Color imaging system with selectively openable optical shutter
DAINIPPON PRINTING CO LTD15 citations82
US5683838ANov 4, 1997
Method of producing information recording medium
DAINIPPON PRINTING CO LTD15 citations82
US5571646ANov 5, 1996
Electrostatic information-recording media and process for recording and reproducing electrostatic information
DAINIPPON PRINTING CO LTD5 citations74
US5434698AJul 18, 1995
Potential sensor employing electrooptic crystal and potential measuring method
DAINIPPON PRINTING CO LTD10 citations74
US5165343ANov 24, 1992
Printing plate and printing process
DAINIPPON PRINTING CO LTD16 citations74
US5373348ADec 13, 1994
Converting device including variable electroconductivity material, and recording and detecting method using the same
DAINIPPON PRINTING CO LTD10 citations73
US5298947AMar 29, 1994
Process for recording images on an electrostatic information recording medium with delayed disconnection of charge accumulation voltage
DAINIPPON PRINTING CO LTD8 citations73
US5224090AJun 29, 1993
Optical recording members and method for production thereof
DAINIPPON PRINTING CO LTD16 citations73
US5192631AMar 9, 1993
Variable electroconductivity material
DAINIPPON PRINTING CO LTD7 citations73
US6025857AFeb 15, 2000
Photosensitive member and electrostatic information recording method
DAINIPPON PRINTING CO LTD14 citations72
US5672453ASep 30, 1997
Frost image recording medium and method of and apparatus for forming and reading frost image
DAINIPPON PRINTING CO LTD2 citations63
US5660958AAug 26, 1997
Information recording medium, and information recording and reproducing method
DAINIPPON PRINTING CO LTD4 citations63
US5550370AAug 27, 1996
Potential sensor employing electrooptic crystal and potential measuring method
DAINIPPON PRINTING CO LTD3 citations63
US5492783AFeb 20, 1996
Electrostatic information-recording media and process for recording and reproducing electrostatic information
DAINIPPON PRINTING CO LTD4 citations63
US5450168ASep 12, 1995
Moving image pickup device, medium for picking up moving images and process for picking up images continuously
DAINIPPON PRINTING CO LTD3 citations63
US5378565AJan 3, 1995
Frost image recording medium and method of and apparatus for forming and reading frost image
DAINIPPON PRINTING CO LTD1 citations63
US5213922AMay 25, 1993
Electrostatic printing method
DAINIPPON PRINTING CO LTD6 citations63
US4997593AMar 5, 1991
Variable electroconductivity material
DAINIPPON PRINTING CO LTD2 citations62
US5192634AMar 9, 1993
A-selenium-tellurium photosensitive member and electrostatic information recording method
DAINIPPON PRINTING CO LTD4 citations60
US5521040AMay 28, 1996
Frost image recording medium and method of and apparatus for forming and reading frost image
DAINIPPON PRINTING CO LTD0 citations52