TO

Tohru Obata

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
PR Proterial: 1 patents #122 of 267Top 50%
Overall (All Time): #1,733,109 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12397347 Method for manufacturing R-T-B based sintered magnet, and R-T-B based sintered magnet Nobuhiko Fujimori, Kazuhiro Sonoda, Futoshi Kuniyoshi, Daisuke Furusawa, Tomohito Maki +2 more 2025-08-26
9721724 Method for producing R-T-B sintered magnet 2017-08-01