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Osamu Kamada

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
KC Kansai Electric Power Co.: 2 patents #104 of 506Top 25%
HY Hymo: 1 patents #7 of 30Top 25%
Overall (All Time): #1,613,512 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6669815 Sheet surface treating agent and ink-jet printing paper Toshiaki Sugiyama, Motosuke Ono 2003-12-30
5075546 Magnetic field measurement apparatus Hisashi Minemoto, Kazurou Toda, Daisuke Ishiko, Satoshi Ishizuka, Akihiro Miura 1991-12-24
4999571 Current and/or voltage detector for a distribution system Daisuke Ishiko, Kazurou Toda, Akihiro Miura 1991-03-12