YK

Yoshikatsu Koyama

AC Ajinomoto Co.: 3 patents #592 of 2,190Top 30%
Overall (All Time): #1,612,266 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
RE38257 Piperdine derivatives and hypotensives containing the same Masataka Shoji, Kozo Toyota, Chikahiko Eguchi, Ryota Yoshimoto, Hideki Domoto +1 more 2003-09-23
5393890 Piperidine derivatives and hypotensives containing the same Masataka Syoji, Kozo Toyota, Chikahiko Eguchi, Ryoto Yoshimoto, Hideki Domoto +1 more 1995-02-28
5250681 Piperidine derivatives and hypotensives containing the same Masataka Shoji, Kozo Toyota, Chikahiko Eguchi, Ryota Yoshimoto, Hideki Domoto +1 more 1993-10-05