Inventor
KAMIYA KOZO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “KAMIYA KOZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON OIL CO LTD
4 patentsUS5543041AAug 6, 1996
Supply system of petroleum heavy oil containing magnetic fine particles
NIPPON OIL CO LTD27 citations86
US5607575AMar 4, 1997
Process for removing iron impurities from petroleum oil distillation residues
NIPPON OIL CO LTD9 citations72
US5403471AApr 4, 1995
Process for hydrogenatively treating petroleum distillation residual oils
NIPPON OIL CO LTD2 citations61
US4751335AJun 14, 1988
Process for preparing a fluid for traction drive
NIPPON OIL CO LTD1 citations51