Inventor
CHIWATA NAOFUMI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “CHIWATA NAOFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI METALS LTD
14 patentsUS9880206B2Jan 30, 2018
Electric current sensor
HITACHI METALS LTD4 citations72
US9557352B2Jan 31, 2017
Current detection structure
HITACHI METALS LTD3 citations72
US10225967B2Mar 5, 2019
Noise suppression cable
HITACHI METALS LTD3 citations71
US9679688B2Jun 13, 2017
Magnetic tape and shield cable
HITACHI METALS LTD2 citations71
US9513317B2Dec 6, 2016
Current detection structure
HITACHI METALS LTD2 citations62
US9484128B2Nov 1, 2016
Noise suppression cable
HITACHI METALS LTD1 citations52
US10996246B2May 4, 2021
Current detection method, current detection device, signal correction method for current detection device, and signal correction device for current detection device
HITACHI METALS LTD0 citations51
US9734931B2Aug 15, 2017
Power-supply cable and apparatus for manufacturing electric wire used for said power-supply cable
HITACHI METALS LTD0 citations51
US9530542B2Dec 27, 2016
Shielded cable
HITACHI METALS LTD0 citations50
US9508468B2Nov 29, 2016
Noise suppression cable, core assembly, and electrical device
HITACHI METALS LTD1 citations50
US9455071B2Sep 27, 2016
Noise suppression cable
HITACHI METALS LTD1 citations50
US9396841B2Jul 19, 2016
Noise suppression cable
HITACHI METALS LTD0 citations50
US10338105B2Jul 2, 2019
Current detector that prevents fluctuatons in detection sensitivity
HITACHI METALS LTD0 citations41
US9645189B2May 9, 2017
Partial discharge charge amount measuring method and device
HITACHI METALS LTD0 citations40