P

Inventor

MATSUZAKI KEIICHI

JP63 patents
⚠️ This page may combine multiple inventors who share the name “MATSUZAKI KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

23 patents
US6834036B1Dec 21, 2004

Optical head for a plurality of types of information recording media

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD83 citations98
US6650612B1Nov 18, 2003

Optical head and recording reproduction method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD65 citations96
US6414930B1Jul 2, 2002

Optical head

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations93
US6795679B2Sep 21, 2004

Image heating apparatus and heat generating rotary member for use in the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US6549346B2Apr 15, 2003

Assembled lens, optical head and optical recordable player with them

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92
US6968137B2Nov 22, 2005

Image heating device, image forming apparatus, image copying machine, and method for controlling temperature

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84
US6849838B2Feb 1, 2005

Heating device using electromagnetic induction and fuser

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations82
US5937253AAug 10, 1999

Developing apparatus and L-shaped toner regulating blade therefor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations81
US7391983B2Jun 24, 2008

Method and apparatus for controlling image forming operation of an image forming apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US7379685B2May 27, 2008

Image heating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US7110342B2Sep 19, 2006

Optical head device and optical information apparatus using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US7085203B2Aug 1, 2006

Optical head with defocusing correction and spherical aberration correction

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US6950618B2Sep 27, 2005

Image forming apparatus having a removable fixing device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6901235B2May 31, 2005

Fixing device and image forming apparatus using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US6584059B1Jun 24, 2003

Information recording and reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US5745221AApr 28, 1998

Exposure equipment

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US6888113B2May 3, 2005

Heating device and fuser utilizing electromagnetic induction

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations72
US7330419B2Feb 12, 2008

Optical head device and optical information apparatus using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7277366B2Oct 2, 2007

Optical head and optical recording and reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US7277108B2Oct 2, 2007

Fixing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7394733B2Jul 1, 2008

Optical head with spherical aberration correction and method of using same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US7062188B2Jun 13, 2006

Image heating device, image forming apparatus, image copying machine, and method for controlling temperature

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US6934483B2Aug 23, 2005

Image heating device, image forming apparatus, image copying machine, and method for controlling temperature

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52

PANASONIC IP MAN CO LTD

13 patents

PANASONIC CORP

7 patents

KYB CORP

2 patents

WADA HIDENORI

2 patents

KOMMA YOSHIAKI

2 patents

KYB YS CO LTD

1 patent

Showing the top 50 of 63 patents by PatentIndex Score.