KK

Keita Kawahira

JM Jx Metals: 1 patents #22 of 59Top 40%
JM Jx Nippon Mining & Metals: 1 patents #167 of 262Top 65%
📍 Kitaibaraki, JP: #72 of 145 inventorsTop 50%
Overall (All Time): #1,752,268 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11926924 Indium phosphide substrate, semiconductor epitaxial wafer, method for producing indium phosphide single-crystal ingot and method for producing indium phosphide substrate Shunsuke Oka, Akira Noda 2024-03-12
11371164 Compound semiconductor and method for producing single crystal of compound semiconductor Akira Noda, Ryuichi Hirano 2022-06-28