HT

Hitoshi Tohkairin

SH Sumitomo Electric Hardmetal: 4 patents #108 of 278Top 40%
📍 Itami, JP: #606 of 1,436 inventorsTop 45%
Overall (All Time): #1,069,337 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12202052 Boring tool holder and turning tool 2025-01-21
D1052627 Cutting tool Takahiro Watanabe, Shinichi Maruyama, Norihisa Fujita 2024-11-26
D1019723 Cutting tool Takahiro Watanabe, Shinichi Maruyama, Norihisa Fujita 2024-03-26
9919365 Side milling cutter for slot cutting Takayuki Miyamoto, Kenji Nishikawa, Ippei KONO, Junichi Hirai, Masanori Kawakami +1 more 2018-03-20