Inventor
ISHII RINTARO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “ISHII RINTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI METALS LTD
8 patentsUS9478332B2Oct 25, 2016
Method for producing R-T-B sintered magnet
HITACHI METALS LTD2 citations59
US10923256B2Feb 16, 2021
R-T-B-based sintered magnet and method for producing same
HITACHI METALS LTD0 citations50
US10847290B2Nov 24, 2020
R-T-B based sintered magnet
HITACHI METALS LTD0 citations40
US10020100B2Jul 10, 2018
R-T-B-based alloy powder and method for producing same, and R-T-B-based sintered magnet and method for producing same
HITACHI METALS LTD0 citations40
US10388442B2Aug 20, 2019
R-T-B based sintered magnet and method for producing R-T-B based sintered magnet
HITACHI METALS LTD0 citations39
US10242781B2Mar 26, 2019
Method for manufacturing R-T-B based sintered magnet
HITACHI METALS LTD0 citations39
US10658108B2May 19, 2020
Method for producing R-T-B based sintered magnet
HITACHI METALS LTD0 citations37
US10446306B2Oct 15, 2019
Method for manufacturing R-T-B based sintered magnet
HITACHI METALS LTD0 citations37
MITSUI MINING & SMELTING CO LTD
7 patentsUS12193153B2Jan 7, 2025
Multilayer body
MITSUI MINING & SMELTING CO LTD0 citations62
US12058819B2Aug 6, 2024
Multilayer body
MITSUI MINING & SMELTING CO LTD0 citations62
US11961771B2Apr 16, 2024
Laminate sheet and method of use thereof
MITSUI MINING & SMELTING CO LTD0 citations62
US11765840B2Sep 19, 2023
Copper foil with carrier
MITSUI MINING & SMELTING CO LTD0 citations62
US11637358B2Apr 25, 2023
Carrier-containing metal foil and method for manufacturing millimeter-wave antenna substrate using same
MITSUI MINING & SMELTING CO LTD0 citations57
US12247280B2Mar 11, 2025
Metal foil with carrier
MITSUI MINING & SMELTING CO LTD0 citations56
US11642870B2May 9, 2023
Glass carrier attached copper foil and method for producing same
MITSUI MINING & SMELTING CO LTD0 citations50