Inventor
SENGA KUNIYUKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “SENGA KUNIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PILOT INK CO LTD
14 patentsUS6494950B1Dec 17, 2002
Thermochromic microencapsulated pigments
PILOT INK CO LTD75 citations96
US5785746AJul 28, 1998
Preparation method for shear-thinning water-based ball-point pen inks compositions and ball-point pens employing the same
PILOT INK CO LTD55 citations96
US5490956AFeb 13, 1996
Thermochromic opaque composition, laminate member employing the same, and three-dimensional member employing said laminate member and capable of concealing and revealing the interior
PILOT INK CO LTD59 citations96
US6669765B2Dec 30, 2003
Thermochromic dry offset ink, and printed article produced using the same
PILOT INK CO LTD38 citations92
US5879443AMar 9, 1999
Temperature-sensitive color-memorizing microencapsulated pigment
PILOT INK CO LTD25 citations92
US5721059AFeb 24, 1998
Temperature-dependent color/transparency storing resin composition and laminate member employing the same
PILOT INK CO LTD37 citations92
US5585425ADec 17, 1996
Thermochromic opaque/transparent composition, laminate member employing the same, and three-dimensional member employing said laminate member and capable of concealing and revealing the interior
PILOT INK CO LTD20 citations92
US7332109B2Feb 19, 2008
Thermally color-developing reversibly thermochromic pigment
PILOT INK CO LTD19 citations91
US5895718AApr 20, 1999
Thermoplastic resin compositions and temperature-dependent shape-transformable/fixable products making use of the same
PILOT INK CO LTD50 citations91
US7335624B2Feb 26, 2008
Reversible thermochromic display article
PILOT INK CO LTD9 citations83
US6485824B2Nov 26, 2002
Reversibly thermochromic light-shielding/light-transmitting laminate member
PILOT INK CO LTD18 citations82
US7189133B2Mar 13, 2007
Reversibly metachromatic toy
PILOT INK CO LTD7 citations71
US6489018B2Dec 3, 2002
Reversibly thermochromic light-transmitting laminate member
PILOT INK CO LTD9 citations71
US6946168B2Sep 20, 2005
Reversibly thermochromic ultraviolet ray-hardening ink composition and reversibly thermochromic laminate using the same
PILOT INK CO LTD6 citations60