IK

Isao Kitayama

TC Toyama Chemical Co.: 4 patents #65 of 270Top 25%
📍 Toyama, JP: #533 of 1,699 inventorsTop 35%
Overall (All Time): #1,303,371 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4851535 Nicotinic acid derivatives Yozo Todo, Tetsuo Yamafuji, Katsuyuki Nagumo, Hideyoshi Nagaki, Mikako Miyajima +4 more 1989-07-25
4704459 Process for producing 1-substituted aryl-1,4-dihydro-4-oxonaphthyridine derivatives, and processes for producing the intermediates Yozo Todo, Tetsuo Yamafuji, Katsuyuki Nagumo, Hideyoshi Nagaki, Mikako Miyajima +4 more 1987-11-03
4698352 4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and antibacterial agents containing the same Hirokazu Narita, Yoshinori Konishi, Jun Nitta, Shunjiro Misumi, Hideyoshi Nagaki +5 more 1987-10-06
4472386 5-Fluoro-(.beta.-uridine or 2'-deoxy-.beta.-uridine) derivatives, a process for producing the same and a carcinostatic agent containing the same Tsutomu Kodama, Masaakira Senoura, Hajime Aoyama, Tomonobu Yamaguchi, Minako Yotsuji +4 more 1984-09-18