TN

Tsutomu Negama

EI Eisai: 1 patents #611 of 998Top 65%
SC Sansho Co.: 1 patents #11 of 27Top 45%
SK Sekisui Kagaku Kogyo: 1 patents #148 of 395Top 40%
Overall (All Time): #3,835,172 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5252588 Percutaneously absorbable crosslinked polyvinylpyrrolidone eperisone or tolperisone preparation Masato Azuma, Mitsuhiro Yoshida, Hiroyuki Fujimori 1993-10-12