P

Inventor

YOSHIKAWA MASANORI

JP45 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIKAWA MASANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

31 patents
US6546220B1Apr 8, 2003

Image forming apparatus with plural color image forming units moveable into image forming position

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD90 citations98
US6418296B1Jul 9, 2002

Color image forming apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD86 citations98
US5809380ASep 15, 1998

Color image forming apparatus with plural color units

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD122 citations98
US6249663B1Jun 19, 2001

Color image forming apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD80 citations96
US5345297ASep 6, 1994

Developing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD87 citations96
US6035158AMar 7, 2000

Image forming apparatus and belt unit thereof

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD73 citations95
US6157799ADec 5, 2000

Color image forming apparatus, image forming unit therefor, and transfer belt unit therefor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD48 citations93
US6185396B1Feb 6, 2001

Color image forming apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD34 citations92
US5759954AJun 2, 1998

Transfer member and thermal transfer printing method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92
US6477344B1Nov 5, 2002

Image forming apparatus, transfer belt unit, cleaning device and cleaner unit used for image forming apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations89
US7012723B2Mar 14, 2006

Optical scanning device and color image forming apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US6366756B1Apr 2, 2002

Color image forming apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations74
US6201943B1Mar 13, 2001

Color image forming apparatus and belt unit and image forming unit thereof

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US6122474ASep 19, 2000

Color image forming apparatus and belt unit and image forming unit thereof

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US5999205ADec 7, 1999

Transfer member and thermal transfer printing method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US5956552ASep 21, 1999

Color image forming apparatus comprising a regular mode and a high speed mode

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US5841462ANov 24, 1998

Thermal transfer printing method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US5708467AJan 13, 1998

Thermal printing apparatus using intermediate medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US5168289ADec 1, 1992

Thermal transfer recording apparatus having intermediate transfer medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations74
US4841154AJun 20, 1989

Thermal copying apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US6133931AOct 17, 2000

Thermal recording method and ink sheet used therein

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations72
US7149018B2Dec 12, 2006

Optical scanning device and image forming apparatus provided with the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7087892B2Aug 8, 2006

Light scanner and image forming apparatus using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US6169870B1Jan 2, 2001

Color image forming apparatus and belt unit and image forming unit thereof

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US5973714AOct 26, 1999

Thermal printing apparatus using intermediate medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US5444465AAug 22, 1995

Thermal transfer recording apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations61
US7023597B2Apr 4, 2006

Optical scanning device, image reading device provided with this, image forming device, and photographing device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52
US5920335AJul 6, 1999

Transfer member and thermal transfer printing method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52
US7268928B2Sep 11, 2007

Photo scanner and image forming device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations42
US7173645B2Feb 6, 2007

Optical scan apparatus and color image formation apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations42
US7123395B2Oct 17, 2006

Optical scanner and image formation apparatus including the optical scanner

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations37

HITACHI LTD

3 patents

NIDEC CORP

2 patents

MURATA TAKAAKI

1 patent

HITACHI VEHICLE ENERGY LTD

1 patent

ONODA CEMENT CO LTD

1 patent

HONSHO HIRONORI

1 patent

YOSHIKAWA MASANORI

1 patent

PANASONIC CORP

1 patent

MURATA MANUFACTURING CO

1 patent

KONISHI HIROAKI

1 patent

OKUMURA TAKEFUMI

1 patent