P

Inventor

FUJITA KATSUYUKI

JP57 patents
⚠️ This page may combine multiple inventors who share the name “FUJITA KATSUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

15 patents

PILOT INK CO LTD

12 patents
US6494950B1Dec 17, 2002

Thermochromic microencapsulated pigments

PILOT INK CO LTD75 citations96
US5688592ANov 18, 1997

Thermochromic laminate comprising light intercepting pigment and light stabilizer

PILOT INK CO LTD62 citations96
US7494537B2Feb 24, 2009

Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the same

PILOT INK CO LTD49 citations93
US5919404AJul 6, 1999

Reversible thermochromic compositions

PILOT INK CO LTD43 citations93
US5879438AMar 9, 1999

Method for improving light-fastness of reversible thermochromic compositions at the time of color extinguishment

PILOT INK CO LTD28 citations92
US5858914AJan 12, 1999

Thermochromic coloring color-memory footwear

PILOT INK CO LTD26 citations92
US7332109B2Feb 19, 2008

Thermally color-developing reversibly thermochromic pigment

PILOT INK CO LTD19 citations91
US7794631B2Sep 14, 2010

Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the same

PILOT INK CO LTD9 citations84
US7708913B2May 4, 2010

Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the same

PILOT INK CO LTD12 citations84
US7335624B2Feb 26, 2008

Reversible thermochromic display article

PILOT INK CO LTD9 citations83
US6468088B1Oct 22, 2002

Solid having reversibly invisible/visible thermochromic construction enclosed therein

PILOT INK CO LTD17 citations82
US5873932AFeb 23, 1999

Method for improving light-fastness of reversible thermochromic compositions at the time of color development

PILOT INK CO LTD16 citations74

FUJITA KATSUYUKI

11 patents

TOSHIBA MEMORY CORP

8 patents

SUMITOMO CEMENT CO

1 patent

MAZDA MOTOR

1 patent

ITO YOSHIHIRO

1 patent

TAKAHASHI MASAHIRO

1 patent

Showing the top 50 of 57 patents by PatentIndex Score.