HO

Hitoshi Ohya

DC Dowa Mining Co.: 1 patents #1 of 20Top 5%
UN Unknown: 1 patents #206 of 2,107Top 10%
📍 Tsukuba, JP: #69 of 238 inventorsTop 30%
Overall (1997): #140,944 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5630554 Method of separating and recovering valuable metals and non-metals from composite materials Chiaki Izumikawa, Hiroyuki Iwata, Shigehisa Endoh 1997-05-20