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Yutaka Shibahashi
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Nagoya-shi, Aichi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Photochromic toy
Patent number
9,937,434
Issue date
Apr 10, 2018
The Pilot Ink Co., Ltd.
Michiyuki Yasuda
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Thermochromic color-memorization toner, cartridge including same ho...
Patent number
9,005,857
Issue date
Apr 14, 2015
The Pilot Ink Co., Ltd.
Katsuyuki Fujita
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for alternately expressing color-memorizing photochromic fun...
Patent number
8,444,450
Issue date
May 21, 2013
The Pilot Ink Co., Ltd.
Yutaka Shibahashi
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Color-memorizing photochromic writing instrument, color-memorizing...
Patent number
7,575,386
Issue date
Aug 18, 2009
The Pilot Ink Co., Ltd.
Yutaka Shibahashi
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Grant
Metallic luster tone thermochromic laminate member
Patent number
6,713,431
Issue date
Mar 30, 2004
The Pilot Ink Co., Ltd.
Michiyuki Yasuda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermochromic acrylic synthetic fiber, its processed article, and p...
Patent number
6,444,313
Issue date
Sep 3, 2002
The Pilot Ink Co., Ltd.
Yoshiaki Ono
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Reversible thermochromic composition
Patent number
6,048,387
Issue date
Apr 11, 2000
The Pilot Ink Co., Ltd.
Yutaka Shibahashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method for improving light-fastness of reversible thermochromic com...
Patent number
5,879,438
Issue date
Mar 9, 1999
The Pilot Ink Co., Ltd.
Katsuyuki Fujita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method for improving light-fastness of reversible thermochromic com...
Patent number
5,873,932
Issue date
Feb 23, 1999
The Pilot Ink Co., Ltd.
Katsuyuki Fujita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermochromic coloring color-memory footwear
Patent number
5,858,914
Issue date
Jan 12, 1999
The Pilot Ink Co., Ltd.
Yutaka Shibahashi
B44 - DECORATIVE ARTS
Information
Patent Grant
Thermochromic laminate comprising light intercepting pigment and li...
Patent number
5,688,592
Issue date
Nov 18, 1997
The Pilot Ink Co., Ltd.
Yutaka Shibahashi
B44 - DECORATIVE ARTS
Information
Patent Grant
Thermochromic color-memory composition
Patent number
5,558,699
Issue date
Sep 24, 1996
The Pilot Ink Co., Ltd.
Akio Nakashima
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Reversible thermochromic composition
Patent number
5,558,700
Issue date
Sep 24, 1996
The Pilot Ink Co., Ltd.
Yutaka Shibahashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thermochromic laminate member, and composition and sheet for produc...
Patent number
5,352,649
Issue date
Oct 4, 1994
The Pilot Ink Co., Ltd.
Yutaka Shibahashi
B44 - DECORATIVE ARTS
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
Thermochromic artificial nail
Patent number
4,920,991
Issue date
May 1, 1990
Pilot Ink Co., Ltd.
Yutaka Shibahashi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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 textile material
Patent number
4,681,791
Issue date
Jul 21, 1987
Pilot Ink Co., Ltd.
Yutaka Shibahashi
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Method of producing reversible thermochromic display
Patent number
4,554,565
Issue date
Nov 19, 1985
Pilot Ink Co., Ltd.
Tutomu 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
Information
Patent Grant
Thermochromatic materials
Patent number
4,421,560
Issue date
Dec 20, 1983
Pilot Ink Company Ltd.
Tutomu Kito
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
PHOTOCHROMIC TOY
Publication number
20140141689
Publication date
May 22, 2014
THE PILOT INK CO., LTD.
Michiyuki Yasuda
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
THERMOCHROMIC COLOR-MEMORIZATION TONER, CARTRIDGE INCLUDING SAME HO...
Publication number
20130029257
Publication date
Jan 31, 2013
THE PILOT INK CO., LTD.
Katsuyuki Fujita
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Ink composition for color-memorizing photochromic writing instrumen...
Publication number
20070082977
Publication date
Apr 12, 2007
THE PILOT INK CO., LTD.
Yutaka Shibahashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Color-memorizing photochromic writing instrument, color-memorizing...
Publication number
20060053975
Publication date
Mar 16, 2006
THE PILOT INK CO., LTD.
Yutaka Shibahashi
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Application
Method for alternately expressing color-memorizing photochromic fun...
Publication number
20040135097
Publication date
Jul 15, 2004
THE PILOT INK CO., LTD.
Yutaka Shibahashi
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
COLOR MEMORY TOY
Publication number
20030087580
Publication date
May 8, 2003
YUTAKA SHIBAHASHI
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
Metallic luster tone thermochromic laminate member
Publication number
20030008774
Publication date
Jan 9, 2003
THE PILOT INK CO., LTD.
Michiyuki Yasuda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
THERMOCHROMIC ACRYLIC SYNTHETIC FIBER, ITS PROCESSED ARTICLE, AND P...
Publication number
20020090510
Publication date
Jul 11, 2002
Yoshiaki Ono
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING