MK

Masakatsu Kumagai

TO Toyota: 9 patents #3,216 of 26,838Top 15%
SC Senko Kogyo Co.: 5 patents #1 of 3Top 35%
📍 Ebeye: #1,032 of 4,528 inventorsTop 25%
Overall (All Time): #1,052,356 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5746320 Friction electrifying-type electrostatic sorting apparatus Yoshihisa Fujita, Yoshihisa Aizawa 1998-05-05
5560494 Loop-like material sorting device Yoshihisa Fujita 1996-10-01
5524767 Dry fluidized bed sorting device Yoshihisa Fujita 1996-06-11
5462172 Nonferrous material sorting apparatus Yoshihisa Fujita 1995-10-31
5394991 Conductive material sorting device Yoshihisa Fujita 1995-03-07