Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
MM

Michiko Matsukawa

SH Sumitomo Electric Hardmetal: 2 patents #32 of 73Top 45%
Sumitomo Electric Industries: 1 patents #196 of 538Top 40%
📍 Kasai, JP: #81 of 426 inventorsTop 20%
Overall (2025): #100,639 of 469,880Top 25%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12404570 Diamond sintered material and tool including diamond sintered material Hirotsugu IWASAKI, Akihiko Ueda, Satoru Kukino 2025-09-02
12370606 Cutting tool Kenta SANO, Satoru Kukino, Nozomi Tsukihara 2025-07-29