Inventor · Saitama, JP

Masami Fukushima

6Patents
1h-index
7Co-inventors
44Inventor score

Filing activity: Aug 28, 1974 → Mar 31, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4051320A Process for preparing alkoxylated derivatives of cephalosporin compounds Chemistry; Metallurgy 7 Expired
US5498656A Polyvinyl alcohol molding resin composition Chemistry; Metallurgy 1 Expired
US4016155A Process for preparing cephalosporin derivatives Chemistry; Metallurgy 1 Expired
US4071681A Process for preparing beta-lactam antibiotic substances Chemistry; Metallurgy 0 Expired
US4048155A Process for preparing 7 .alpha.-alkoxycephalosporin derivatives Chemistry; Metallurgy 0 Expired
US4003901A Nitrosourea derivative Chemistry; Metallurgy 0 Expired

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