KO

Koichi Ohashi

NC Nippon Petrochemicals, Co.: 2 patents #116 of 359Top 35%
HI Hamai Industries: 1 patents #2 of 8Top 25%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
TO Tosoh: 1 patents #576 of 1,042Top 60%
Overall (All Time): #1,038,773 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6685164 Control valve and diaphragm for use in the control valve Masao Koizumi 2004-02-03
6476284 Method of dehalogenating hydrocarbon containing carbon-carbon double bond Tsutomu Takashima, Teruhisa Kuroki, Koji Fujimura, Yuichi Tokumoto 2002-11-05
6309621 Process for producing high test hypochlorite and calcium chloride aqueous solution Yoshio Abe, Nobuyuki Gotoh, Tsugio Murakami 2001-10-30
6300444 Process for producing butene polymer Yuichi Tokumoto, Toshio Okada, Tsutomu Takashima 2001-10-09
4360649 Curable composition Kunimasa Kamio, Koichi Okuno, Satoru Haraguchi, Hiroyuki Yamaguchi 1982-11-23