Ryoji Ukita

HC Hitachi Chemical Company: 1 patents #5 of 49Top 15%

Overall (1982): #32,317 of 81,411Top 40%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4309330	Copolymer emulsion	Takao Hirayama	1982-01-05