YH

Yukinobu Hasegawa

NK Nippon Carbide Kogyo: 1 patents #1 of 5Top 20%
Overall (1989): #39,815 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4797339 Toner for developing electrostatic images Masatoshi Maruyama, Toyokichi Tange 1989-01-10