Inventor
NAKANISHI MIKIHIKO
JP7 patents
Patents
7 patentsUS5324764AJun 28, 1994
Erasable ink composition for writing on impervious surface
SAKURA COLOR PROD CORP47 citations92
US5316574AMay 31, 1994
Erasable ink composition for writing on impervious surface
SAKURA COLOR PROD CORP23 citations92
US5412021AMay 2, 1995
Water-base erasable ink composition for use in marking pens
SAKURA COLOR PROD CORP34 citations91
US4578117AMar 25, 1986
Erasable ink composition
SAKURA COLOR PROD CORP37 citations91
US4525216AJun 25, 1985
Ink composition
SAKURA COLOR PROD CORP47 citations91
US5176746AJan 5, 1993
Oil ink composition
SAKURA COLOR PROD CORP12 citations73
US4525215AJun 25, 1985
Ink composition
SAKURA COLOR PROD CORP10 citations71