KO

Ken Okubo

RT Riken Technos: 1 patents #38 of 69Top 60%
Overall (All Time): #3,549,989 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6414059 Fire-retardant resin composition and molded part using the same Kazuhiko Kobayashi, Shinnichi Kishimoto, Masaki Nishiguchi, Hitoshi Yamada, Dai Hashimoto 2002-07-02