HK

Hiroshi Koyama

DA Daicel: 1 patents #21 of 111Top 20%
Nsk: 1 patents #23 of 87Top 30%
📍 Tokyo, CO: #4 of 9 inventorsTop 45%
Overall (2025): #122,209 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12391554 Surface-modified nanodiamond, nanodiamond dispersion composition, and method for manufacturing surface-modified nanocarbon particles Takeru KASHIWAGI 2025-08-19
12209614 Bearing element manufacturing method, bearing manufacturing method, machine manufacturing method, vehicle manufacturing method, bearing element, bearing, machine, and vehicle Kouhei Mori, Mizuki Watanabe, Isao Shintou 2025-01-28