Membership
Tour
Register
Log in
Tsutomu Kito
Follow
Person
Gifu, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Rubber-erasable aqueous ink for writing material composition and wr...
Patent number
6,498,203
Issue date
Dec 24, 2002
The Pilot Inc Co., Ltd.
Tsutomu Kito
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for energizing energization-operated toy element and energiz...
Patent number
5,932,992
Issue date
Aug 3, 1999
The Pilot Ink Co., Ltd.
Tsutomu Tomatsu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Temperature-sensitive color-memorizing microencapsulated pigment
Patent number
5,879,443
Issue date
Mar 9, 1999
The Pilot Ink Co., Ltd.
Kuniyuki Senga
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Preparation method for shear-thinning water-based ball-point pen in...
Patent number
5,785,746
Issue date
Jul 28, 1998
The Pilot Ink Co., Ltd.
Tsutomu Kito
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Grant
Temperature-dependent color/transparency storing resin composition...
Patent number
5,721,059
Issue date
Feb 24, 1998
The Pilot Ink Co., Ltd.
Tsutomu Kito
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermally color-changeable toy
Patent number
5,716,253
Issue date
Feb 10, 1998
The Pilot Ink Co., Ltd.
Tadashi Aoki
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Thermochromic opaque/transparent composition, laminate member emplo...
Patent number
5,585,425
Issue date
Dec 17, 1996
The Pilot Ink Co., Ltd.
Tsutomu Kito
B44 - DECORATIVE ARTS
Information
Patent Grant
Thermochromic opaque composition, laminate member employing the sam...
Patent number
5,490,956
Issue date
Feb 13, 1996
Pilot Ink Co., Ltd.
Tsutomu Kito
B44 - DECORATIVE ARTS
Information
Patent Grant
Temperature-sensitive color-changeable composite fiber
Patent number
5,153,066
Issue date
Oct 6, 1992
Kuraray Co., Ltd.
Kazuhiko Tanaka
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Toy that stably exhibits different colors with indicator for proper...
Patent number
5,085,607
Issue date
Feb 4, 1992
The Pilot Ink Co., Ltd.
Yutaka Shibahashi
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Artificial plant that stably exhibits different colors
Patent number
5,079,049
Issue date
Jan 7, 1992
The Pilot Ink Co., Ltd.
Tsutomu Kito
B44 - DECORATIVE ARTS
Information
Patent Grant
Color memory toy set
Patent number
5,011,445
Issue date
Apr 30, 1991
The Pilot Ink Co., Ltd.
Norikazu Nakasuji
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Reversible heat sensitive recording composition
Patent number
4,865,648
Issue date
Sep 12, 1989
Tsutomu Kito
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Reversible temperature-indicating composition
Patent number
4,732,810
Issue date
Mar 22, 1988
Pilot Ink Co., Ltd.
Tsutomu Kito
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Reversible heat sensitive recording composition
Patent number
4,720,301
Issue date
Jan 19, 1988
Pilot Ink Co., Ltd.
Tsutomu Kito
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermochromic materials
Patent number
4,425,161
Issue date
Jan 10, 1984
Yutaka Shibahashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
COLOR MEMORY TOY
Publication number
20030087580
Publication date
May 8, 2003
YUTAKA SHIBAHASHI
A63 - SPORTS GAMES AMUSEMENTS