Inventor
HIROTA RYOJI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “HIROTA RYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NISSHIN STEEL CO LTD
6 patentsUS6222286B1Apr 24, 2001
Stepping motor with rust inhibiting and eddy current minimizing characteristics
NISSHIN STEEL CO LTD16 citations82
US6599376B2Jul 29, 2003
FE-CR soft magnetic material and a method of manufacturing thereof
NISSHIN STEEL CO LTD12 citations71
US5211771AMay 18, 1993
Soft magnetic alloy material
NISSHIN STEEL CO LTD5 citations60
US10125404B2Nov 13, 2018
Method for producing high elastic limit nonmagnetic steel material using an austenitic stainless steel sheet
NISSHIN STEEL CO LTD1 citations48
US10060003B2Aug 28, 2018
Austenitic stainless steel sheet and metal gasket
NISSHIN STEEL CO LTD0 citations37
US9921130B2Mar 20, 2018
Fatigue testing device
NISSHIN STEEL CO LTD0 citations36