MO

Masahisa Okawa

SC Sumitomo Chemical: 10 patents #473 of 4,033Top 15%
📍 Niihama, JP: #73 of 473 inventorsTop 20%
Overall (All Time): #528,348 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5026889 Catalyst system for olefin polymerization and method for production of olefin polymers by using the same Akinobu Shiga, Yoshiharu Fukui, Toshio Sasaki, Hideaki Matsuura 1991-06-25
4748210 Vinyl chloride-grafted ethylene copolymer and process for producing same Tomoyuki Emura, Yoshitaka Owatari, Kentaro Mashita, Toshio Kawakita 1988-05-31
4485035 Process for producing highly stereoregular .alpha.-olefin polymers Akinobu Shiga, Yoshiharu Fukui, Toshio Sasaki, Hideaki Matsuura 1984-11-27
4364851 Process for producing olefin polymers Akinobu Shiga, Yoshiharu Fukui, Toshio Sasaki, Hideaki Matsu-Ura, Yasuharu Yamada 1982-12-21
4304892 Olefin polymerization catalyst Akinobu Shiga, Yoshiharu Fukui, Kazuhiro Matsumura, Toshio Sasaki 1981-12-08
4279776 Catalyst system Akinobu Shiga, Yoshiharu Fukui, Katsumi Hanji, Toshio Sasaki, Hideaki Matsuura +1 more 1981-07-21
4246135 Olefin polymerization catalyst Akinobu Shiga, Yoshiharu Fukui, Kazuhiro Matsumura, Toshio Sasaki 1981-01-20
4243786 Catalysts for the polymerization of olefins Akinobu Shiga, Yoshiharu Fukui, Kazuhiro Matsumura, Toshio Sasaki 1981-01-06
4235984 Process for producing highly stereoregular .alpha.-olefin polymers Akinobu Shiga, Yoshiharu Fukui, Katsumi Hanji, Toshio Sasaki, Hideaki Matsuura +1 more 1980-11-25
4183824 Catalysts for the polymerization of olefins Akinobu Shiga, Yoshiharu Fukui, Kazuhiro Matsumura, Toshio Sasaki 1980-01-15