Inventor
HAMA NOBUYUKI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “HAMA NOBUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITUTOYO CORP
10 patentsUS6874243B2Apr 5, 2005
Measuring instrument
MITUTOYO CORP36 citations84
US7373807B2May 20, 2008
Drive unit
MITUTOYO CORP9 citations83
US6357134B1Mar 19, 2002
Height gauge
MITUTOYO CORP16 citations82
US9250053B2Feb 2, 2016
Surface roughness measuring unit and coordinate measuring apparatus
MITUTOYO CORP3 citations72
US10584981B2Mar 10, 2020
Surface texture measuring apparatus
MITUTOYO CORP1 citations60
USD614053SApr 20, 2010
Surface-roughness measurement instrument
MITUTOYO CORP4 citations59
US10001358B2Jun 19, 2018
Measuring probe and measuring probe system
MITUTOYO CORP0 citations52
US9891033B2Feb 13, 2018
Tilt angle adjuster for form measuring device
MITUTOYO CORP1 citations45
US6466884B2Oct 15, 2002
Surface texture measuring machine and method of correcting a measured value for the machine
MITUTOYO CORP0 citations40
US10704605B2Jul 7, 2020
Rotation transmitter
MITUTOYO CORP0 citations37
HITACHI LTD
5 patentsUS5822518AOct 13, 1998
Method for accessing information
HITACHI LTD76 citations94
US6453418B1Sep 17, 2002
Method for accessing information
HITACHI LTD29 citations91
US6240518B1May 29, 2001
Method for accessing information
HITACHI LTD16 citations91
US6092203AJul 18, 2000
Method for accessing information
HITACHI LTD20 citations91
US6728888B2Apr 27, 2004
Method for accessing information
HITACHI LTD12 citations80
MATSUMIYA SADAYUKI
3 patentsUSD686095SJul 16, 2013
Digital display device for surface-roughness measuring instruments
MATSUMIYA SADAYUKI3 citations62
US9103656B2Aug 11, 2015
Method for cleaning skid of surface roughness tester
MATSUMIYA SADAYUKI0 citations52
USD686096SJul 16, 2013
Digital display device for surface-roughness measuring instruments
MATSUMIYA SADAYUKI1 citations52