RK

Ryota Kubo

SH Sumitomo Electric Hardmetal: 2 patents #32 of 73Top 45%
JS Jfe Steel: 1 patents #134 of 322Top 45%
📍 Itami, JP: #17 of 73 inventorsTop 25%
Overall (2025): #48,473 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12397356 Cutting tool 2025-08-26
12312552 Agent for forming solid lubricating coating film, oil country tubular goods, threaded joint for oil country tubular goods, and method for manufacturing oil country tubular goods Yasuhide Ishiguro, Seigo Goto, Takashi Koga, Takamasa Kawai, Seiji Ozaki +6 more 2025-05-27
D1076630 Cutting tool 2025-05-27