YK

Yoshiro Kobayashi

WARF: 13 patents #100 of 4,123Top 3%
KK Kureha Kagaku Kogyo: 8 patents #73 of 607Top 15%
DI Daikin Industries: 4 patents #820 of 2,957Top 30%
DK Denki Kagaku Kogyo: 1 patents #291 of 655Top 45%
NC Nihon Nohyaku Co.: 1 patents #153 of 243Top 65%
TC Taisho Pharmaceutical Co.: 1 patents #275 of 557Top 50%
Overall (All Time): #140,340 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4226788 24,24-Difluoro-1.alpha.,25-dihydroxycholecalciferol Hector F. DeLuca, Heinrich K. Schnoes, Nobuo Ikekawa, Yoko Tanaka 1980-10-07
4201881 24,24-Difluoro-1.alpha.,25-dihydroxycholecalciferol Hector F. DeLuca, Heinrich K. Schnoes, Nobuo Ikekawa, Yoko Tanaka 1980-05-06
4196133 24,24-Difluoro-25-hydroxycholecalciferol Hector F. DeLuca, Nobuo Ikekawa, Yoko Tanaka 1980-04-01