HH

Hitoshi Hirano

SC Sanyo Electric Co.: 2 patents #83 of 745Top 15%
📍 Suwa, JP: #2 of 3 inventorsTop 70%
Overall (2003): #64,838 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6572936 Hard carbon film-coated substrate and method for fabricating the same Yoichi Domoto, Keiichi Kuramoto, Seiichi Kiyama 2003-06-03
6528115 Hard carbon thin film and method of forming the same Yoichi Domoto, Keiichi Kuramoto 2003-03-04