Inventor · Osaka, JP

Tsutomu Negama

1Patents
1h-index
3Co-inventors
25Inventor score

Filing activity: Feb 2, 1993 → Feb 2, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US5252588A Percutaneously absorbable crosslinked polyvinylpyrrolidone eperisone or tolperisone preparation Human Necessities 21 Expired

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