P

Inventor

TSUKAHARA HIROKAZU

14 patents

Patents

14 patents
US4745026AMay 17, 1988

Thermal delayed tack sheets

MITSUBISHI PAPER MILLS LTD53 citations94
US5252393AOct 12, 1993

Thermal delayed-tack adhesive compositions and thermal delayed-tack adhesive sheets

MITSUBISHI PAPER MILLS LTD26 citations91
US4711749ADec 8, 1987

Process for producing microcapsules

MITSUBISHI PAPER MILLS LTD19 citations81
US3963779AJun 15, 1976

Novel organic photoconductive compound

MITSUBISHI PAPER MILLS LTD10 citations73
US4833023AMay 23, 1989

Thermal delayed tack sheets

MITSUBISHI PAPER MILLS LTD10 citations71
US4737587AApr 12, 1988

Colorless carbazole dyes for recording materials

MITSUBISHI PAPER MILLS LTD5 citations62
US3932182AJan 13, 1976

An organic photoconductive composition comprising an organic photoconductive compound and a sensitizing compound having an active methylene group

MITSUBISHI PAPER MILLS LTD2 citations62
US4291102ASep 22, 1981

Desensitizer for no-carbon copy paper

MITSUBISHI PAPER MILLS LTD4 citations61
US4296948AOct 27, 1981

Color-developing sheet for no-carbon copying process

MITSUBISHI PAPER MILLS LTD2 citations60
US4327148AApr 27, 1982

Self-contained color forming pressure sensitive record paper of the single coating type

MITSUBISHI PAPER MILLS LTD3 citations57
US5112797AMay 12, 1992

Donor sheet for pressure-sensitive image recording

MITSUBISHI PAPER MILLS LTD0 citations51
US4775417AOct 4, 1988

Color developer

MITSUBISHI PAPER MILLS LTD0 citations51
US4550328AOct 29, 1985

Image-receiving color-forming sheet for transfer electrophotography

MITSUBISHI PAPER MILLS LTD1 citations51
US4268634AMay 19, 1981

Desensitizer for no-carbon copy paper

MITSUBISHI PAPER MILLS LTD1 citations50