MA

Mari Aoyama

MI Mitsui Toatsu Chemicals, Incorporated: 2 patents #607 of 1,543Top 40%
Overall (All Time): #2,323,437 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4921653 Method of forming a porous polyolefin film Michiyasu Ito, Syoichi Tsuji, Toshiyuki Ishii, Tomohide Tanaka 1990-05-01
4814124 Preparation of gas permeable porous film Michiyasu Ito, Syoichi Tsuji, Toshiyuki Ishii, Tomohide Tanaka 1989-03-21