Inventor
FUKUMURA KOJI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “FUKUMURA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KEYENCE CO LTD
13 patentsUS6642510B1Nov 4, 2003
Photoelectric switch device having a detection result indicator disposed between a top and rear wall
KEYENCE CO LTD22 citations91
US7821394B2Oct 26, 2010
Penetration detecting apparatus
KEYENCE CO LTD9 citations83
US7696469B2Apr 13, 2010
Safety multi-optical axis photoelectric sensor
KEYENCE CO LTD8 citations83
US7006942B2Feb 28, 2006
Sensor management system and computer-readable medium for sensor management program
KEYENCE CO LTD11 citations83
US8346510B2Jan 1, 2013
Continuously-arranged sensor system, network unit, and sensor unit
KEYENCE CO LTD7 citations81
US7032461B2Apr 25, 2006
Flow sensor having a flow indicator having a plurality of light emission sections
KEYENCE CO LTD16 citations79
US6894662B2May 17, 2005
Photoelectric switch
KEYENCE CO LTD10 citations73
US6455829B1Sep 24, 2002
Head unit of photo detector
KEYENCE CO LTD12 citations73
US7022979B2Apr 4, 2006
Photoelectric switch device having a detection result indicator
KEYENCE CO LTD4 citations72
US6774357B2Aug 10, 2004
Photoelectric switch device having detection result indicators
KEYENCE CO LTD5 citations72
US8378780B2Feb 19, 2013
Connected sensor system, network unit, and sensor unit
KEYENCE CO LTD5 citations71
US7400991B2Jul 15, 2008
Contact type displacement meter
KEYENCE CO LTD3 citations62
US7176451B2Feb 13, 2007
Photoelectric switch device having a detection result indicator
KEYENCE CO LTD3 citations61