P

Inventor

NAKAZATO HIROSHI

JP53 patents
⚠️ This page may combine multiple inventors who share the name “NAKAZATO HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

20 patents
US6163148ADec 19, 2000

Sensor, drive force auxiliary device using the sensor, and torque sensor zero point adjusting mechanism of the drive force auxiliary device

SEIKO EPSON CORP129 citations97
US5845727ADec 8, 1998

Driving force auxiliary device

SEIKO EPSON CORP110 citations97
US7218869B2May 15, 2007

Image forming apparatus and a storage controlling method for information on an improper detachment of a developer cartridge to be written in a cartridge storage means

SEIKO EPSON CORP38 citations93
US7076179B2Jul 11, 2006

Image forming apparatus and a storage controlling method for information on an improper detachment of developer cartridge to be written in a cartridge storage means

SEIKO EPSON CORP41 citations93
US7013093B2Mar 14, 2006

Image forming apparatus and method of calculating toner consumption amount

SEIKO EPSON CORP33 citations93
US6336008B1Jan 1, 2002

Image forming apparatus with adjustable image density and method

SEIKO EPSON CORP19 citations93
US6909858B2Jun 21, 2005

Image forming apparatus, toner-adhesion calculation method and data processing method

SEIKO EPSON CORP28 citations92
US6871026B2Mar 22, 2005

Apparatus for and method of forming image under controlled image forming condition

SEIKO EPSON CORP34 citations92
US6415114B1Jul 2, 2002

Image forming apparatus and method

SEIKO EPSON CORP20 citations92
US6341203B1Jan 22, 2002

Image forming apparatus and method with adjustable image density factor

SEIKO EPSON CORP18 citations92
US6317220B1Nov 13, 2001

Image forming apparatus capable of preventing linear nonuniformity and improving image quality

SEIKO EPSON CORP37 citations90
US7680425B2Mar 16, 2010

Image forming apparatus and method for controlling tone characteristics based on tone-control patch image

SEIKO EPSON CORP14 citations84
US7269362B2Sep 11, 2007

Image forming apparatus, control method and toner consumption calculating apparatus and method

SEIKO EPSON CORP13 citations84
US6658221B2Dec 2, 2003

Method of and apparatus for measuring quantity of toner on belt-shaped image carrier

SEIKO EPSON CORP18 citations84
US6597878B2Jul 22, 2003

Apparatus for measuring quantity of toner, and image forming apparatus comprising measuring apparatus

SEIKO EPSON CORP13 citations84
US6512598B2Jan 28, 2003

Image forming apparatus capable of preventing linear nonuniformity and improving image quality

SEIKO EPSON CORP15 citations82
US7570892B2Aug 4, 2009

Image forming apparatus and control method of that apparatus

SEIKO EPSON CORP6 citations74
US6483997B1Nov 19, 2002

Image forming apparatus and method for electrifying and developing bias control features

SEIKO EPSON CORP13 citations74
US7469110B2Dec 23, 2008

Image forming apparatus and method including canceling a power save mode

SEIKO EPSON CORP2 citations63
US6621991B2Sep 16, 2003

Image forming apparatus with predetermined target density and method

SEIKO EPSON CORP2 citations63

SUNTORY LTD

9 patents

CANON KK

7 patents

PIOLAX INC

7 patents

NAKAZATO HIROSHI

3 patents

NEC CORP

1 patent

KATO KOUICHI

1 patent

NISSIN ELECTRIC CO LTD

1 patent

AKEBONO BRAKE IND

1 patent

Showing the top 50 of 53 patents by PatentIndex Score.