TM

Tsuyoshi Masukawa

SD Showa Denko: 1 patents #231 of 593Top 40%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
Overall (All Time): #2,290,363 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5466757 Process for production of chlorinated ethylene-propylene copolymers Naotoshi Watanabe, Kenji Ozaki, Noboru Moriwaki 1995-11-14
5087673 Process for production of chlorinated ethylene-propylene copolymers Naotoshi Watanabe, Kenji Ozaki, Noboru Moriwaki 1992-02-11