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CHIYODA-KU, TOKYO, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Vehicle impact attenuator
Patent number
7,287,930
Issue date
Oct 30, 2007
NKC CO., Ltd.
Sei Yamasaki
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Ink-receptive fibrous material for advertisement
Patent number
6,589,633
Issue date
Jul 8, 2003
Hiraoka & Co., Ltd.
Kazuhide Ino
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Amorphous metal laminate sheet
Patent number
4,749,625
Issue date
Jun 7, 1988
Hiraoka & Co., Ltd.
Tsutomu Obayashi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Stainproof, flame-resistant composite sheet material
Patent number
4,714,650
Issue date
Dec 22, 1987
Hiraoka & Co., Ltd.
Tsutomu Obayashi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Process for preparation of water-proof sheets
Patent number
4,696,830
Issue date
Sep 29, 1987
Hiraoka & Co., Ltd.
Tsutomo Obayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Composite sheet material
Patent number
4,686,135
Issue date
Aug 11, 1987
Hiraoka & Co., Ltd.
Tsutomu Obayashi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Process for preparation of water-proof sheets
Patent number
4,678,681
Issue date
Jul 7, 1987
Hiraoka & Co. Ltd.
Tsutomu Obayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Lap welding method for textile fabrics
Patent number
4,410,575
Issue date
Oct 18, 1983
Hiraoka & Co., Ltd.
Tsutomu Obayashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
White cover sheet material capable of reflecting ultraviolet rays
Patent number
4,347,284
Issue date
Aug 31, 1982
Hiraoka & Co., Ltd.
Obayashi Tsutomu
F41 - WEAPONS
Information
Patent Grant
Water-proof, fuse-bonding fabric
Patent number
4,324,827
Issue date
Apr 13, 1982
Hiraoka & Co., Ltd.
Tsutomu Obayashi
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Water-impermeable sheet material
Patent number
4,312,907
Issue date
Jan 26, 1982
Hiraoka & Co. Ltd.
Yoshiji Hiraoka
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Tarpaulins having great tearing strength
Patent number
4,298,645
Issue date
Nov 3, 1981
Hiraoka & Co., Ltd.
Tsutomu Obayashi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Apparatus for continuously coating a sheet material concurrently wi...
Patent number
4,295,440
Issue date
Oct 20, 1981
Hiraoka & Co., Ltd.
Shinzo Nakai
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73084940 - LIFE TONE
Serial number
73084940
Registration number
1070159
Filing date
Apr 23, 1976
HIRAOKA & CO., LTD.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments