TK

Tsutomu Kempo

KO Konica: 3 patents #771 of 1,958Top 40%
Overall (All Time): #1,660,756 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5134027 Magnetic recording medium Takafumi Yanagita 1992-07-28
5098785 Magnetic recording medium containing a copolymer having an anionic functional group which forms an intermolecular salt Takafumi Yanagita, Narito Goto, Takuo Nishikawa, Noboru Koyama, Yasushi Nakano +1 more 1992-03-24
5064720 Magnetic recording medium containing a polyurethane binder resin having a betaine group in the form of an intermolecular salt Atsuko Matsuda, Narito Goto 1991-11-12