P

Inventor

OBATA HIROYUKI

JP57 patents
⚠️ This page may combine multiple inventors who share the name “OBATA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAINIPPON PRINTING CO LTD

33 patents
US5731116AMar 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
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
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
US5439768AAug 8, 1995

Electrostatic information recording medium and electrostatic information recording and reproducing method

DAINIPPON PRINTING CO LTD29 citations92
US4814891AMar 21, 1989

Multicolor sublimation type thermal recording method including color and gradation correction and device therefor

DAINIPPON PRINTING CO LTD35 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
US4967283AOct 30, 1990

Multicolor sublimation type thermal recording method including color and gradation correction and device therefor

DAINIPPON PRINTING CO LTD16 citations81
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
US4481282ANov 6, 1984

Dry planographic plates for direct printing with elastomer underlayer

DAINIPPON PRINTING CO LTD17 citations74
US4169731AOct 2, 1979

Method for the preparation of a planographic printing plate

DAINIPPON PRINTING CO LTD12 citations74
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
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
US5519469AMay 21, 1996

Printing plate using a charge carrier medium

DAINIPPON PRINTING CO LTD4 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
US5414496AMay 9, 1995

Method for manufacturing a printing plate using a charge carrier medium and method for page make-up using a charge carrier medium

DAINIPPON PRINTING CO LTD2 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
US5981122ANov 9, 1999

Image recording method

DAINIPPON PRINTING CO LTD2 citations60
US5521040AMay 28, 1996

Frost image recording medium and method of and apparatus for forming and reading frost image

DAINIPPON PRINTING CO LTD0 citations52
US5194352AMar 16, 1993

Method for toner development of electrostatic latent image and for formation of toner image in which a specified gap is maintained between a photosensitive member and an electrostatic information recording medium

DAINIPPON PRINTING CO LTD1 citations52
US5665497ASep 9, 1997

Image recording method

DAINIPPON PRINTING CO LTD0 citations50

WHITAKER CORP

4 patents

OBATA HIROYUKI

3 patents

TOYOTA MOTOR CO LTD

3 patents

DENSO CORP

3 patents

AMP INC

1 patent

MORI HIROYUKI

1 patent

SUZUKI YOUICHIROU

1 patent

JST MFG CO LTD

1 patent

Showing the top 50 of 57 patents by PatentIndex Score.