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

Toshifumi Matsushima

MC Mitsui Mining & Smelting Co.: 1 patents #24 of 70Top 35%
Overall (2025): #188,363 of 469,880Top 45%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12297354 Resin composition, copper foil with resin, dielectric layer, copper-clad laminate, capacitor element, and printed wiring board with built-in capacitor Yoshihiro Yoneda, Toshihiro Hosoi, Kenshiro FUKUDA 2025-05-13