Inventor
SUGIYAMA TAKEO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “SUGIYAMA TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI PAPER MILLS LTD
5 patentsUS4806421AFeb 21, 1989
Thermal transfer recording sheet
MITSUBISHI PAPER MILLS LTD6 citations73
US4812354AMar 14, 1989
Color image recording material
MITSUBISHI PAPER MILLS LTD14 citations72
US5407892AApr 18, 1995
Carbonless copying paper
MITSUBISHI PAPER MILLS LTD8 citations69
US4780355AOct 25, 1988
Thermal transfer ink sheet
MITSUBISHI PAPER MILLS LTD3 citations62
US5288687AFeb 22, 1994
Carbonless copying paper
MITSUBISHI PAPER MILLS LTD3 citations60