P

Inventor

MASUDA KOJI

JP131 patents
⚠️ This page may combine multiple inventors who share the name “MASUDA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

17 patents
US6081386AJun 27, 2000

Optical scanning lens, optical scanning and imaging system and optical scanning apparatus incorporating same

RICOH KK155 citations99
US6069724AMay 30, 2000

Optical scanning lens and optical scanning apparatus

RICOH KK120 citations98
US6686946B2Feb 3, 2004

Density unevenness suppressing image forming apparatus and method

RICOH KK106 citations96
US7817176B2Oct 19, 2010

Light source device, optical scanning device, and image forming apparatus

RICOH KK21 citations93
US7068295B2Jun 27, 2006

Optical writing unit, a driving method thereof, and an image forming apparatus

RICOH KK27 citations93
US6847472B2Jan 25, 2005

Optical scanning device image forming apparatus and optical scanning method

RICOH KK17 citations93
US6724414B2Apr 20, 2004

Imaging device array, optical writing unit and image forming apparatus

RICOH KK30 citations93
US6717606B2Apr 6, 2004

Optical print head and image forming apparatus using a rod lens with a predetermined conjugate length

RICOH KK33 citations93
US6697181B2Feb 24, 2004

Optical scanning device, image forming apparatus and optical scanning method

RICOH KK27 citations93
US6496214B1Dec 17, 2002

Image forming elements array, and optical printing head and image forming apparatus using the array

RICOH KK32 citations93
US6462879B2Oct 8, 2002

Optical writing device and image forming apparatus and method using the same

RICOH KK30 citations93
US6456314B1Sep 24, 2002

Optical printing head and image forming apparatus using it

RICOH KK32 citations93
US7804513B2Sep 28, 2010

Optical writing unit, image forming apparatus, process cartridge, and method of adjusting light intensity

RICOH KK10 citations84
US7705868B2Apr 27, 2010

Light emitting array with improved characteristics, optical writing unit, and image forming apparatus

RICOH KK11 citations84
US7619795B2Nov 17, 2009

Optical scanning device, optical scanning method, and image forming apparatus

RICOH KK13 citations84
US7593150B2Sep 22, 2009

Diffraction optical element, light beam detection device, optical scanner and image forming apparatus

RICOH KK15 citations84
US7450283B2Nov 11, 2008

Multi-beam light source unit, optical scanning device, image formation apparatus, light beam combining unit, optical system, optical apparatus

RICOH KK13 citations84

CANON KK

10 patents

IBM

10 patents

NISSAN MOTOR

4 patents

MASUDA KOJI

4 patents

FUJI XEROX CO LTD

3 patents

STC UNM

1 patent

KUROSE NORIYUKI

1 patent

Showing the top 50 of 131 patents by PatentIndex Score.