Inventor · Ibaraki, JP

Toshimichi Koga

6Patents
1h-index
8Co-inventors
36Inventor score

Filing activity: Feb 7, 1991 → Nov 9, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US5403899A Method for preparing powder including adding fluoro non-ionic surfactant after 70% polymerization is reached of vinyl chloride polymers Chemistry; Metallurgy 2 Expired
US5342906A Method for the suspension polymerization of vinyl chloride monomer Chemistry; Metallurgy 1 Expired
US5614593A Preparation of matte vinyl chloride polymer and composition thereof Chemistry; Metallurgy 0 Expired
US5194536A Process of preparing lower vinyl chloride polymer by suspension polymerization Chemistry; Metallurgy 0 Expired
US5132382A Method for the preparation of a polyvinyl chloride resin powder with improved flowability Chemistry; Metallurgy 0 Expired
US5235012A Method for polymerizing vinyl chloride with controlled water addition Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.