YK

Yasufumi Koga

CL Central Glass Company, Limited: 2 patents #334 of 968Top 35%
Overall (All Time): #2,341,678 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4655963 Electroconductive resin composition using fluorine-containing graft copolymer Shinji Ogasawara, Kazuhiko Maeda 1987-04-07
4652592 Method of producing shaped body of cross-linked fluorine-containing graft copolymer by using radiation Chikashi Kawashima, Shinji Ogasawara, Isao Tanaka 1987-03-24