Inventor
KUDO KOICHI
JP78 patents
⚠️ This page may combine multiple inventors who share the name “KUDO KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
16 patentsUS6842602B2Jan 11, 2005
Drive control device and image forming apparatus including the same
RICOH KK43 citations93
US6774355B2Aug 10, 2004
Optical encoder
RICOH KK23 citations93
US7532370B2May 12, 2009
Optical encoder, motor driver and image forming apparatus
RICOH KK27 citations92
US7174237B2Feb 6, 2007
Endless-moving-member driving unit, image forming apparatus, photosensitive-element driving unit, and method of degradation process for endless moving-member
RICOH KK21 citations92
US6947693B2Sep 20, 2005
Image forming apparatus including rotary member speed detection mechanism
RICOH KK40 citations92
US5929436AJul 27, 1999
Optical sensor including a first and second converging optical system for edge detection
RICOH KK17 citations92
US5818062AOct 6, 1998
Original edge detecting system and optical sensor using distance detecting light-receiving means
RICOH KK26 citations92
US5729024AMar 17, 1998
Original edge detecting system and optical sensor
RICOH KK29 citations92
US6925279B2Aug 2, 2005
Belt moving device and image forming apparatus including the same
RICOH KK52 citations91
US6816178B2Nov 9, 2004
Method and apparatus for color image forming capable of performing a precise synchronization between toner image forming per color and its overlaying
RICOH KK24 citations91
US7526230B2Apr 28, 2009
Mark sensing device, turnable body driving device and image forming apparatus
RICOH KK15 citations84
US7379683B2May 27, 2008
Mark detector, drive controller, belt drive unit, and image forming apparatus
RICOH KK14 citations84
US7343127B2Mar 11, 2008
Mark forming method for moving body and moving body having mark
RICOH KK9 citations84
US6252682B1Jun 26, 2001
Document sensing device for an image forming apparatus
RICOH KK17 citations83
US7659996B2Feb 9, 2010
Relative position detection device and detector for rotary body and image forming apparatus including the relative position detection device
RICOH KK6 citations63
US7435946B2Oct 14, 2008
Mark detector using multiple light beams for use in a displacement detector and an image forming apparatus
RICOH KK6 citations63
ROHM CO LTD
7 patentsUS5367188ANov 22, 1994
Photodiode array device and method for producing same
ROHM CO LTD28 citations93
US5475245ADec 12, 1995
Field-effect voltage regulator diode
ROHM CO LTD20 citations90
US5633526AMay 27, 1997
Photodiode array and method for manufacturing the same
ROHM CO LTD18 citations81
US5511421AApr 30, 1996
Acceleration sensor
ROHM CO LTD7 citations74
US5523610AJun 4, 1996
Photodiode array and method for manufacturing the same
ROHM CO LTD12 citations71
US5300453AApr 5, 1994
Method for producing semiconductor device
ROHM CO LTD9 citations71
US5436171AJul 25, 1995
Photodiode array device and method for producing same
ROHM CO LTD5 citations63
YAMANE JUN
3 patentsUS9776819B2Oct 3, 2017
Sheet conveying device and image forming apparatus incorporating the sheet conveying device
YAMANE JUN22 citations93
US10358311B2Jul 23, 2019
Sheet conveying device and image forming apparatus incorporating the sheet conveying device
YAMANE JUN8 citations83
US11066263B2Jul 20, 2021
Sheet conveying device and image forming apparatus incorporating the sheet conveying device
YAMANE JUN4 citations72
KUDO KOICHI
3 patentsUS8219003B2Jul 10, 2012
Drive control device of a rotation member, method for drive control of a rotation member, and image forming apparatus including the drive control device
KUDO KOICHI8 citations83
US9983531B2May 29, 2018
Moving-member detecting device and image forming apparatus
KUDO KOICHI2 citations72
US8412081B2Apr 2, 2013
Belt meandering preventing device and image forming apparatus including the same
KUDO KOICHI6 citations72
OLYMPUS CORP
2 patentsRICOH CO LTD
2 patentsKAWASAKI HAJIME
2 patentsSUZUKI SHINGO
2 patentsNIPPON KOGAKU KK
1 patentWATANABE TETSUO
1 patentMATSUE NATSUMI
1 patentNEC CORP
1 patentNAKURA MAKOTO
1 patentTAKAURA ATSUSHI
1 patentNAGASU TSUYOSHI
1 patentUEDA NAOTO
1 patentTAKAI SHINGO
1 patentKATAYAMA HIROSHI
1 patentTOBITA KATSUHIRO
1 patentOHTSUKA AIKO
1 patentOKAMOTO TOSHIHIRO
1 patentShowing the top 50 of 78 patents by PatentIndex Score.