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Patents Grants
last 30 patents
Information
Patent Grant
Junction structure of prestressed concrete (PC) column and steel beam
Patent number
11,377,841
Issue date
Jul 5, 2022
Kurosawa Construction Co., Ltd.
Ryohei Kurosawa
E04 - BUILDING
Information
Patent Grant
Method of introducing prestress to beam-column joint of PC structur...
Patent number
11,352,790
Issue date
Jun 7, 2022
Kurosawa Construction Co., Ltd.
Ryohei Kurosawa
E04 - BUILDING
Information
Patent Grant
Method of introducing prestress to beam-column joint in triaxial co...
Patent number
11,111,664
Issue date
Sep 7, 2021
KUROSAWA CONSTRUCTION CO., LTD.
Ryohei Kurosawa
E04 - BUILDING
Information
Patent Grant
Method for jointing concrete column and iron beam
Patent number
10,378,197
Issue date
Aug 13, 2019
Kurosawa Construction Co., Ltd.
Ryohei Kurosawa
E04 - BUILDING
Information
Patent Grant
Earthquake resisting design method on the basis of PC binding artic...
Patent number
9,534,411
Issue date
Jan 3, 2017
Kurosawa Construction Co., Ltd.
Ryohei Kurosawa
E04 - BUILDING
Information
Patent Grant
Method for forming rustproof film on PC strand and PC strand
Patent number
8,882,944
Issue date
Nov 11, 2014
Kurosawa Construction Co., Ltd.
Ryohei Kurosawa
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Double rustproof PC strand
Patent number
8,833,050
Issue date
Sep 16, 2014
Kurosawa Construction Co., Ltd.
Ryohei Kurosawa
D07 - ROPES CABLES OTHER THAN ELECTRIC
Information
Patent Grant
Method for forming rustproof film on a PC strand
Patent number
8,191,251
Issue date
Jun 5, 2012
Kurosawa Construction Co., Ltd.
Ryohei Kurosawa
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Prestressing strand having corrosion protection double coatings
Patent number
7,585,562
Issue date
Sep 8, 2009
Kurosawa Construction Co., Ltd.
Takeshi Hasui
D07 - ROPES CABLES OTHER THAN ELECTRIC
Information
Patent Grant
Method of forming corrosion protection double coatings on prestress...
Patent number
7,241,473
Issue date
Jul 10, 2007
Kurosawa Construction Co., Ltd.
Takeshi Hasui
D07 - ROPES CABLES OTHER THAN ELECTRIC
Information
Patent Grant
Apparatus for forming corrosion protection coatings on prestressing...
Patent number
5,362,326
Issue date
Nov 8, 1994
Kurosawa Construction Co., Ltd.
Takeshi Hasui
D07 - ROPES CABLES OTHER THAN ELECTRIC
Patents Applications
last 30 patents
Information
Patent Application
JUNCTION STRUCTURE OF CONCRETE COLUMN AND STEEL BEAM
Publication number
20210198887
Publication date
Jul 1, 2021
KUROSAWA CONSTRUCTION CO., LTD.
Ryohei KUROSAWA
E04 - BUILDING
Information
Patent Application
METHOD OF INTRODUCING PRESTRESS TO BEAM-COLUMN JOINT OF PC STRUCTUR...
Publication number
20210189726
Publication date
Jun 24, 2021
KUROSAWA CONSTRUCTION CO., LTD.
Ryohei KUROSAWA
E04 - BUILDING
Information
Patent Application
METHOD OF INTRODUCING PRESTRESS TO BEAM-COLUMN JOINT IN TRIAXIAL CO...
Publication number
20210079643
Publication date
Mar 18, 2021
KUROSAWA CONSTRUCTION CO., LTD.
Ryohei KUROSAWA
E04 - BUILDING
Information
Patent Application
METHOD FOR JOINTING CONCRETE COLUMN AND IRON BEAM
Publication number
20180127966
Publication date
May 10, 2018
KUROSAWA CONSTRUCTION CO., LTD.
Ryohei KUROSAWA
E04 - BUILDING
Information
Patent Application
EARTHQUAKE RESISTING DESIGN METHOD ON THE BASIS OF PC BINDING ARTIC...
Publication number
20150330095
Publication date
Nov 19, 2015
KUROSAWA CONSTRUCTION CO., LTD.
Ryohei KUROSAWA
E04 - BUILDING
Information
Patent Application
DOUBLE RUSTPROOF PC STRAND
Publication number
20130269308
Publication date
Oct 17, 2013
KUROSAWA CONSTRUCTION CO., LTD.
Ryohei KUROSAWA
D07 - ROPES CABLES OTHER THAN ELECTRIC
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last 30 trademarks