FO

Fumio Okamoto

RC Rca: 1 patents #133 of 435Top 35%
📍 Kamakura, JP: #18 of 90 inventorsTop 20%
Overall (1982): #64,508 of 81,411Top 80%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4348299 Method for preparing inorganic sulfides Katsuhiro Kato 1982-09-07