KO

Kazuhiko Ohkuma

NC Nippon Soda Co.: 2 patents #207 of 648Top 35%
Overall (All Time): #2,366,311 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4326881 Phenylpyrol derivatives Akiyoshi Ueda, Hideo Takagi 1982-04-27
4229465 Cyanopyrrole derivatives Hideo Takagi, Akira Nakata, Shogo Kosaka 1980-10-21