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Yoshikazu Yamakawa

DC Dainippon Sumitomo Pharma Co.: 2 patents #51 of 256Top 20%
KC Katayama Seiyakusyo Co.: 2 patents #4 of 15Top 30%
Overall (All Time): #2,084,965 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8106230 Succinic acid diester derivative, process for production thereof, and use of the derivative in the production of pharmaceutical preparation Takashi Inagaki 2012-01-31
8030486 Succinic acid diester derivative, process for production thereof, and use of the derivative in the production of pharmaceutical preparation Takashi Inagaki 2011-10-04