RK

Rikiya Kai

AC Asahi Kasei Kogyo Co.: 2 patents #303 of 1,395Top 25%
📍 Miyazaki, JP: #172 of 531 inventorsTop 35%
Overall (All Time): #2,359,498 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4476257 Magnetic coating composition of partially oxidized nitrocellulose and magnetic powder Teiichi Ishino, Ikuo Ueda 1984-10-09
4469624 Magnetic coating compositions for magnetic recording materials Ikuo Ueda 1984-09-04