TK

Takashi Katsumata

DE Denso: 20 patents #415 of 11,792Top 4%
TI Trinity Industrial: 2 patents #61 of 241Top 30%
SL Sumitomo Pharmaceuticals Company Limited: 2 patents #67 of 327Top 25%
TC Taisho Pharmaceutical Co.: 1 patents #275 of 557Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #153,187 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
4853378 Fluorine derivatives of vitamin D.sub.3 and process for producing the same Noritaka Hamma, Yoshikazu Saito, Toshio Nishizawa 1989-08-01