KH

Keiji Hirai

KC Kyorin Pharmaceutical Co.: 9 patents #11 of 270Top 5%
📍 Kuki, JP: #13 of 115 inventorsTop 15%
Overall (All Time): #592,019 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5244892 Cephem compounds, and antibacterial agents Seigo Suzue, Kikoh Obi, Tatsuhiro Saito, Hideyuki Fukuda 1993-09-14
5043450 8-alkoxyquinolonecarboxylic acid and salts thereof Kuniyoshi Masuzawa, Seigo Suzue, Takayoshi Ishizaki 1991-08-27
4980470 8-alkoxyquinolonecarboxylic acid and salts thereof Kuniyoshi Masuzawa, Seigo Suzue, Takayoshi Ishizaki 1990-12-25
4894458 Quinolonecarboxylic acid derivatives and their preparation Kuniyoshi Masuzawa, Seigo Suzue, Takayoshi Ishizaki 1990-01-16
4826982 Quinolonecarboxylic acid derivatives Kuniyoshi Masuzawa, Seigo Suzue, Takayoshi Ishizaki 1989-05-02
4791118 Quinolonecarboxylic acid derivatives and their preparation Kuniyoshi Masuzawa, Seigo Suzue, Takayoshi Ishizaki 1988-12-13
4791225 Halogenobenzoic acid derivatives and their preparation Tsutomu Irikura, Seigo Suzue, Satoshi Murayama, Takayoshi Ishizaki 1988-12-13
4788320 Benzoylacetic acid ester derivatives and process for their preparations Tsutomu Irikura, Seigo Suzue, Satoshi Murayama, Takayoshi Ishizaki 1988-11-29
4753953 Pyridonecarboxylic acid derivatives and antibacterial pharmaceutical compositions thereof Kuniyoshi Masuzawa, Seigo Suzue, Takayoshi Ishizaki 1988-06-28