Inventor
MIYASAKA TORU
JP38 patents
⚠️ This page may combine multiple inventors who share the name “MIYASAKA TORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
33 patentsUS6381428B1Apr 30, 2002
Photoconductor unit and image forming system
HITACHI LTD82 citations98
US6697586B2Feb 24, 2004
Photoconductor unit and image forming system
HITACHI LTD50 citations96
US6501925B2Dec 31, 2002
Photoconductor unit and image forming system
HITACHI LTD41 citations96
US6085051AJul 4, 2000
Small-size color electro-photographic apparatus
HITACHI LTD37 citations96
US5666599ASep 9, 1997
Color electro-photographic printing apparatus
HITACHI LTD81 citations96
US6871036B2Mar 22, 2005
Belt driving apparatus and image forming apparatus using the same
HITACHI LTD23 citations92
US6574451B2Jun 3, 2003
Small-size color electro-photographic apparatus
HITACHI LTD18 citations92
US5815775ASep 29, 1998
Color electro-photographic apparatus
HITACHI LTD29 citations92
US5515144AMay 7, 1996
Apparatus for displaying image information recorded on a document and any modified data added thereto
HITACHI LTD33 citations92
US5365325ANov 15, 1994
Method of multi-color recording using electro-photography process and apparatus therefor wherein mixed colors generation is prevented
HITACHI LTD46 citations92
US6891630B1May 10, 2005
Image recording method and image recording apparatus
HITACHI LTD16 citations84
US6081683AJun 27, 2000
Color electrophotographic apparatus with obliquely arranged photosensitive belt
HITACHI LTD17 citations84
US6560435B1May 6, 2003
Electrophotographic image forming device having projections on a surface of an intermediate transfer body
HITACHI LTD13 citations83
US6038416AMar 14, 2000
Developing apparatus and image forming apparatus having the same
HITACHI LTD16 citations83
US5708939AJan 13, 1998
Developing apparatus and process for an electrophotographic process
HITACHI LTD17 citations83
US5138380AAug 11, 1992
Electrostatic recording apparatus, method of controlling the apparatus, and method of evaluating life of photoconductive member of electrostatic recording apparatus
HITACHI LTD14 citations81
US5625857AApr 29, 1997
Image forming apparatus which measures deposit amounts of toner
HITACHI LTD19 citations77
US6569588B2May 27, 2003
Electrophotographic toner, production method thereof and electrophotographic image forming system
HITACHI LTD7 citations73
US6321058B1Nov 20, 2001
Developing device with toner storing and recovery chambers
HITACHI LTD10 citations73
US6144829ANov 7, 2000
Developing device and electrophotographic device
HITACHI LTD11 citations73
US5797075AAug 18, 1998
Image forming apparatus having improved toner carrier arrangement
HITACHI LTD10 citations73
US5559578ASep 24, 1996
Electrostatic recording apparatus with electrified cap and managing system thereof
HITACHI LTD12 citations73
US5404201AApr 4, 1995
Electrostatic recording apparatus, method of controlling the apparatus, and method of evaluating life of photoconductive member of electrostatic recording apparatus
HITACHI LTD12 citations73
US5550626AAug 27, 1996
Image forming device for creating a color image having pixel elements of different thicknesses
HITACHI LTD7 citations72
US6836632B2Dec 28, 2004
Small-size color electro-photographic apparatus
HITACHI LTD3 citations63
US5177531AJan 5, 1993
Electrostatic recorder and electrostatic latent image measuring instrument
HITACHI LTD5 citations63
US6701115B2Mar 2, 2004
Color electrographic apparatus with developing device having separated toner supply and recovery chambers
HITACHI LTD2 citations62
US6516171B2Feb 4, 2003
Color electrographic apparatus with developing device having separated toner supply and recovery chambers
HITACHI LTD3 citations62
US5504556AApr 2, 1996
Electrostatic recording apparatus, method of controlling the apparatus, and method of evaluating life of photoconductive member of electrostatic recording apparatus
HITACHI LTD2 citations62
US8039182B2Oct 18, 2011
Circuit pattern formation device and method of forming circuit pattern to substrate
HITACHI LTD0 citations50
US7608205B2Oct 27, 2009
Decentralized solution of microscopic particles and circuit formation device
HITACHI LTD0 citations50
US7503645B2Mar 17, 2009
Droplet generator and ink-jet recording device using thereof
HITACHI LTD0 citations41
US7979005B2Jul 12, 2011
Electrically conductive pattern forming apparatus
HITACHI LTD0 citations40
RICOH PRINTING SYS LTD
4 patentsUS6993275B2Jan 31, 2006
Image position detecting method
RICOH PRINTING SYS LTD26 citations92
US7227562B2Jun 5, 2007
Electrophotograhic apparatus
RICOH PRINTING SYS LTD12 citations84
US7209681B2Apr 24, 2007
Electrophotographic apparatus for forming a color image utilizing LED array exposure devices
RICOH PRINTING SYS LTD11 citations84
US6895211B2May 17, 2005
Electrophotographic apparatus
RICOH PRINTING SYS LTD13 citations84