Inventor
HIRONAKA KOHEI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “HIRONAKA KOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NHK SPRING CO LTD
10 patentsUS8344747B2Jan 1, 2013
Probe unit
NHK SPRING CO LTD27 citations92
US7845955B2Dec 7, 2010
Conductive contact holder
NHK SPRING CO LTD24 citations88
US7815438B2Oct 19, 2010
Needle-like member, conductive contact, and conductive contact unit
NHK SPRING CO LTD8 citations83
US11422156B2Aug 23, 2022
Contact probe and probe unit
NHK SPRING CO LTD2 citations70
US10274517B2Apr 30, 2019
Conductive probe for inspection and semiconductor inspection device
NHK SPRING CO LTD2 citations70
US11293946B2Apr 5, 2022
Conductive contactor unit
NHK SPRING CO LTD1 citations60
US11656246B2May 23, 2023
Contact probe and probe unit
NHK SPRING CO LTD0 citations59
US10082525B2Sep 25, 2018
Probe unit
NHK SPRING CO LTD1 citations51
US11320461B2May 3, 2022
Probe unit
NHK SPRING CO LTD0 citations50
US10120011B2Nov 6, 2018
Test unit
NHK SPRING CO LTD0 citations35