Inventor
SAKAI HISAYOSHI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI HISAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITUTOYO CORP
14 patentsUS5239892AAug 31, 1993
Rotating device
MITUTOYO CORP71 citations95
US10197375B2Feb 5, 2019
Probe head of three-dimensional coordinate measuring device and touch detection method
MITUTOYO CORP7 citations83
US9664629B2May 30, 2017
Industrial machine and method for measuring amount of expansion/contraction of industrial machine
MITUTOYO CORP8 citations83
US6697162B1Feb 24, 2004
Optical interferometric measuring instrument and laser interference apparatus
MITUTOYO CORP12 citations70
US11193762B2Dec 7, 2021
Rotary table and roundness measuring apparatus
MITUTOYO CORP1 citations61
US7835411B2Nov 16, 2010
Laser frequency stabilizing device, method and program
MITUTOYO CORP6 citations61
US12435756B2Oct 7, 2025
Dustproof seal structure
MITUTOYO CORP0 citations52
US10962053B2Mar 30, 2021
Air bearing
MITUTOYO CORP0 citations52
US10119565B2Nov 6, 2018
Air bearing
MITUTOYO CORP1 citations52
US11333619B2May 17, 2022
Measurement X-ray CT apparatus
MITUTOYO CORP0 citations49
US9746302B2Aug 29, 2017
Method of placing work piece on table of measuring device
MITUTOYO CORP0 citations48
US11103968B2Aug 31, 2021
Rotary table apparatus
MITUTOYO CORP0 citations41
US9316472B2Apr 19, 2016
Slide guide device
MITUTOYO CORP0 citations41
US9291208B2Mar 22, 2016
Rotation transmitter
MITUTOYO CORP0 citations41
TOTO LTD
4 patentsSAKAI HISAYOSHI
3 patentsUS9227286B2Jan 5, 2016
Precision feeding device and precision transfer equipment
SAKAI HISAYOSHI3 citations70
US8794610B2Aug 5, 2014
Two-dimension precision transfer equipment, three-dimension precision transfer equipment, and coordinate measuring machine
SAKAI HISAYOSHI5 citations70
US8919219B2Dec 30, 2014
Precision transfer equipment
SAKAI HISAYOSHI0 citations39