YN

Yumiko Nagasaka

EI Eisai: 3 patents #344 of 998Top 35%
📍 Tsukuba, JP: #1,047 of 2,818 inventorsTop 40%
Overall (All Time): #1,614,773 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6358995 Carboxylic acid derivatives having fused rings Katsuya Tagami, Hiroyuki Yoshimura, Mitsuo Nagai, Shigeki Hibi, Kouichi Kikuchi +8 more 2002-03-19
6121309 Fused-ring carboxylic acid derivatives Katsuya Tagami, Hiroyuki Yoshimura, Mitsuo Nagai, Shigeki Hibi, Kouichi Kikuchi +8 more 2000-09-19
6110959 Carboxylic acid derivatives having fused rings Katsuya Tagami, Hiroyuki Yoshimura, Mitsuo Nagai, Shigeki Hibi, Kouichi Kikuchi +8 more 2000-08-29