FK

Fumio Koseki

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #1,652,239 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5454973 Stable dispersible mineral acid slurry of benzidine derivatives Kenjiro Fujiki, Motonori Takeda, Katsutoshi Tao 1995-10-03
4354802 Vaned diffuser Hideo Nishida, Ichiro Gyobu 1982-10-19
4301227 Electrophotographic liquid developer Seiji Hotta, Hitoshi Kawahara, Minoru Hatori 1981-11-17