YK

Yukio Kitagawa

NC Nippon Soda Co.: 3 patents #145 of 648Top 25%
Overall (All Time): #1,663,738 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4994478 Oxadiazole derivative Takashi Kishimoto, Takashi Okabe, Tomio Yamada, Michihiko Matsuda 1991-02-19
4937335 Oxa(thia)zolidine derivatives Keiichi Ishimitsu, Hiroyuki Imagawa, Tomio Yamada, Michihiko Matsuda 1990-06-26
4882431 Oxa(thia)zolidine derivatives Keiichi Ishimitsu, Hiroyuki Imagawa, Tomio Yamada, Michihiko Matsuda 1989-11-21