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Brooklyn, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Artificial stone having non-slip property
Patent number
6,866,914
Issue date
Mar 15, 2005
Doppel Co., Ltd.
Sumiyo Yamanashi
B44 - DECORATIVE ARTS
Information
Patent Grant
High-hardness, soft composite material
Patent number
6,750,283
Issue date
Jun 15, 2004
Doppel Co., Ltd.
Mieko Sakai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Magnet having dry pressed flower sealed therein
Patent number
6,683,520
Issue date
Jan 27, 2004
Doppel Co. Ltd.
Mieko Sakai
B44 - DECORATIVE ARTS
Information
Patent Grant
Artificial stone
Patent number
6,627,315
Issue date
Sep 30, 2003
Doppel Co., Ltd.
Mieko Sakai
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Artificial stone molded product
Patent number
6,500,543
Issue date
Dec 31, 2002
Doppel Co., Ltd.
Mieko Sakai
B44 - DECORATIVE ARTS
Information
Patent Grant
Non-slip artificial stone
Patent number
6,365,662
Issue date
Apr 2, 2002
Doppel Co., Ltd.
Mieko Sakai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Pressed flowers enclosed article
Patent number
6,322,862
Issue date
Nov 27, 2001
Doppel Co., Ltd.
Tsuyoshi Sakai
B44 - DECORATIVE ARTS
Information
Patent Grant
Artificial stone
Patent number
6,309,562
Issue date
Oct 30, 2001
Doppel Co., Ltd.
Mieko Sakai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for manufacturing artificial stone
Patent number
6,221,300
Issue date
Apr 24, 2001
Doppel Co., Ltd.
Mieko Sakai
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Noctilucent or fluorescent artificial stone
Patent number
6,146,548
Issue date
Nov 14, 2000
Doppel Co., Ltd.
Mieko Sakai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Noctilucent or fluorescent artificial stone composition
Patent number
6,136,226
Issue date
Oct 24, 2000
Doppel Co., Ltd.
Mieko Sakai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Artificial stone composition and method of manufacturing artificial...
Patent number
6,127,458
Issue date
Oct 3, 2000
Doppel Co., Ltd.
Tsuyoshi Sakai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High density artificial stone and a method for producing therefor
Patent number
5,422,391
Issue date
Jun 6, 1995
Doppel Co., Ltd.
Yukihiko Inoue
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
86701515 - DOPPELS
Serial number
86701515
Registration number
5532611
Filing date
Jul 22, 2015
Doppels, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74473584 - ARKSTONE
Serial number
74473584
Registration number
2983396
Filing date
Dec 28, 1993
Doppel Co., Ltd.
19 - Building materials (non-metallic)