HS

Hisashi Shibata

EI Eisai: 20 patents #37 of 998Top 4%
EC Eisai R&D Management Co.: 5 patents #139 of 817Top 20%
📍 Tsuchiura, JP: #23 of 519 inventorsTop 5%
Overall (All Time): #147,390 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
5162317 Pyridinium salt and pharmacological composition containing the same Shigeru Souda, Shuhei Miyazawa, Norihiro Ueda, Katsuya Tagami, Seiichiro Nomoto +8 more 1992-11-10
5045552 Pyridine derivatives having anti-ulcerative activity Shigeru Souda, Norihiro Ueda, Shuhei Miyazawa, Katsuya Tagami, Seiichiro Nomoto +8 more 1991-09-03