Inventor
HIRATANI TATSUHIKO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “HIRATANI TATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
11 patentsUS10584406B2Mar 10, 2020
Electrical steel sheet
JFE STEEL CORP2 citations73
US11401589B2Aug 2, 2022
Multilayer electrical steel sheet
JFE STEEL CORP2 citations72
US10102951B2Oct 16, 2018
Non-oriented electrical steel sheet having excellent magnetic properties
JFE STEEL CORP4 citations72
US12137501B2Nov 5, 2024
Method for producing Fe—Cr alloy
JFE STEEL CORP0 citations62
US11497085B2Nov 8, 2022
Fe—Cr alloy, method for producing same, and resistance heating element
JFE STEEL CORP0 citations62
US11335485B2May 17, 2022
Multilayer electrical steel sheet
JFE STEEL CORP1 citations62
US11056256B2Jul 6, 2021
Non-oriented electrical steel sheet and method of producing same
JFE STEEL CORP0 citations62
US9666350B2May 30, 2017
Ultrathin electromagnetic steel sheet
JFE STEEL CORP0 citations52
US11355271B2Jun 7, 2022
Multilayer electrical steel sheet
JFE STEEL CORP0 citations51
US7163592B2Jan 16, 2007
Steel sheet for tension mask, manufacturing method of steel sheet for tension mask, tension mask and cathode ray tube
JFE STEEL CORP0 citations51
US10760143B2Sep 1, 2020
High-silicon steel sheet and method of manufacturing the same
JFE STEEL CORP0 citations41
NIPPON KOKAN KK
9 patentsUS5993568ANov 30, 1999
Soft magnetic alloy sheet having low residual magnetic flux density
NIPPON KOKAN KK21 citations91
US6416594B1Jul 9, 2002
Heat shrink band steel sheet and manufacturing method thereof
NIPPON KOKAN KK9 citations73
US6635361B1Oct 21, 2003
Magnetic shielding steel sheet and method for producing the same
NIPPON KOKAN KK11 citations72
US6566796B2May 20, 2003
Steel sheet for tension mask, making method thereof and tension mask
NIPPON KOKAN KK7 citations72
US6527876B2Mar 4, 2003
Silicon steel sheet and method for producing the same
NIPPON KOKAN KK10 citations69
US6562150B2May 13, 2003
Steel sheet for heat shrink band and manufacturing method thereof
NIPPON KOKAN KK3 citations62
US6241829B1Jun 5, 2001
Silicon steel sheet and method thereof
NIPPON KOKAN KK1 citations61
US6045627AApr 4, 2000
Silicon steel sheet and method thereof
NIPPON KOKAN KK1 citations61
US5902419AMay 11, 1999
Silicon steel sheet and method thereof
NIPPON KOKAN KK4 citations61