Inventor
KITO TSUTOMU
JP18 patents
⚠️ This page may combine multiple inventors who share the name “KITO TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PILOT INK CO LTD
12 patentsUS4720301AJan 19, 1988
Reversible heat sensitive recording composition
PILOT INK CO LTD156 citations99
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
US5085607AFeb 4, 1992
Toy that stably exhibits different colors with indicator for proper temperature application
PILOT INK CO LTD59 citations96
US5011445AApr 30, 1991
Color memory toy set
PILOT INK CO LTD58 citations96
US4732810AMar 22, 1988
Reversible temperature-indicating composition
PILOT INK CO LTD76 citations95
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
US5716253AFeb 10, 1998
Thermally color-changeable toy
PILOT INK CO LTD38 citations90
US5079049AJan 7, 1992
Artificial plant that stably exhibits different colors
PILOT INK CO LTD20 citations82
US5932992AAug 3, 1999
Method for energizing energization-operated toy element and energization-operated toy
PILOT INK CO LTD20 citations81