YB

Yasuo Butsugan

TO Tosoh: 2 patents #354 of 1,042Top 35%
Overall (All Time): #2,301,993 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5212311 Chiral amino-methyl ferrocene derivatives Makoto Watanabe, Masaru Uemura, Shuki Araki 1993-05-18
5079359 Chiral amino-methyl ferrocene derivatives Makoto Watanabe, Masaru Uemura, Shuki Araki 1992-01-07