HO

Hitoshi Ohba

SC Shin-Etsu Chemical Co.: 2 patents #1,026 of 2,176Top 50%
WI Wako Pure Chemical Industries: 1 patents #164 of 377Top 45%
Overall (All Time): #1,668,448 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
RE33284 Method for the polymerization of vinyl chloride monomer in an aqeous medium Kenichi Itoh, Genji Noguki, Motoaki Tanaka, Masahiko Watase 1990-07-31
4694053 Method for the polymerization of vinyl chloride monomer in an aqueous medium Kenichi Itoh, Genji Noguki, Motoaki Tanaka 1987-09-15
4500649 Process for producing aqueous suspension containing organic azo compound as polymerization initiator Motoaki Tanaka, Takanori Toyama, Osamu Yamaguchi 1985-02-19