AK

Akio Kumagai

DC Dainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
📍 Susono, JP: #775 of 1,238 inventorsTop 65%
Overall (All Time): #2,067,059 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8383743 Ink composition for jet printer Hiromichi Arakawa, Shigehiro Tanaka, Kazuhiro Kaneko, Yoshinosuke Shimamura 2013-02-26
8244496 Fuel viscosity detection apparatus Takashi Hotta 2012-08-14