Inventor
ITAGAKI HAJIME
JP12 patents
⚠️ This page may combine multiple inventors who share the name “ITAGAKI HAJIME”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROTERIAL LTD
6 patentsUS12378652B2Aug 5, 2025
Fe-based amorphous alloy ribbon, production method thereof, iron core, and transformer
PROTERIAL LTD0 citations61
US12264389B2Apr 1, 2025
Fe-based amorphous alloy ribbon, production method thereof, iron core, and transformer
PROTERIAL LTD0 citations61
US11952651B2Apr 9, 2024
Fe-based amorphous alloy ribbon, production method thereof, iron core, and transformer
PROTERIAL LTD0 citations61
US11802328B2Oct 31, 2023
Fe-based amorphous alloy ribbon, iron core, and transformer
PROTERIAL LTD0 citations61
US12002607B2Jun 4, 2024
Fe-based amorphous alloy ribbon and method for producing same, iron core, and transformer
PROTERIAL LTD1 citations60
US11728076B2Aug 15, 2023
Method of producing laminated amorphous alloy ribbon holding spool and method of producing iron core
PROTERIAL LTD0 citations59
HITACHI METALS LTD
5 patentsUS11613799B2Mar 28, 2023
Fe-based amorphous alloy ribbon for Fe-based nanocrystalline alloy, and method for manufacturing the same
HITACHI METALS LTD0 citations50
US11521782B2Dec 6, 2022
Transformer
HITACHI METALS LTD0 citations50
US10450638B2Oct 22, 2019
Amorphous alloy ribbon and method for manufacturing same
HITACHI METALS LTD0 citations48
US10661334B2May 26, 2020
Amorphous alloy ribbon and method of producing the same
HITACHI METALS LTD0 citations47
US9604278B2Mar 28, 2017
Amorphous alloy ribbon and method of producing the same
HITACHI METALS LTD0 citations47