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Shiga, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Pipe-forming apparatus for spiral pipe and pipe-forming method thereof
Patent number
11,602,884
Issue date
Mar 14, 2023
Sekisui Chemical Co., Ltd.
Hiroshi Sugahara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Strip member for spiral pipe and rehabilitation method of existing...
Patent number
11,473,714
Issue date
Oct 18, 2022
Sekisui Chemical Co., Ltd.
Yuuta Miyatake
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Pipe-forming apparatus for spiral pipe and pipe-forming method thereof
Patent number
11,383,427
Issue date
Jul 12, 2022
Sekisui Chemical Co., Ltd.
Hiroshi Sugahara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Pipe-forming apparatus for spiral pipe and pipe-forming method thereof
Patent number
11,148,352
Issue date
Oct 19, 2021
Sekisui Chemical Co., Ltd.
Hiroshi Sugahara
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pipe-making apparatus and pipe-making method
Patent number
11,015,757
Issue date
May 25, 2021
Sekisui Chemical Co., Ltd.
Hiroshi Sugahara
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pipe-making apparatus and pipe-making method for spiral pipe
Patent number
10,920,918
Issue date
Feb 16, 2021
Sekisui Chemical Co., Ltd.
Hiroshi Sugahara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Strip member for pipes
Patent number
D876001
Issue date
Feb 18, 2020
Sekisui Chemical Co., Ltd.
Yoshirou Sugiyama
D26 - Lighting
Information
Patent Grant
Pipe producing apparatus and existing pipe rehabilitating method em...
Patent number
8,347,477
Issue date
Jan 8, 2013
Sekisui Chemical Co., Ltd.
Shinji Kakine
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for rehabilitating existing pipe
Patent number
8,151,827
Issue date
Apr 10, 2012
Sekisui Chemical Co., Ltd.
Akitoshi Ohira
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and device for lining construction in sewer followed by simu...
Patent number
7,186,060
Issue date
Mar 6, 2007
Adachi Construction Industry Co. Ltd.
Eiki Akimoto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
PIPE-FORMING APPARATUS FOR SPIRAL PIPE AND PIPE-FORMING METHOD THEREOF
Publication number
20210129417
Publication date
May 6, 2021
Sekisui Chemical Co., Ltd
Hiroshi SUGAHARA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
PIPE-FORMING APPARATUS FOR SPIRAL PIPE AND PIPE-FORMING METHOD THEREOF
Publication number
20210129418
Publication date
May 6, 2021
Sekisui Chemical Co., Ltd
Hiroshi SUGAHARA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
STRIP MEMBER FOR SPIRAL PIPE AND REHABILITATION METHOD OF EXISTING...
Publication number
20190368646
Publication date
Dec 5, 2019
Sekisui Chemical Co., Ltd
Yuuta MIYATAKE
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PIPE-FORMING APPARATUS FOR SPIRAL PIPE AND PIPE-FORMING METHOD THEREOF
Publication number
20190193324
Publication date
Jun 27, 2019
Sekisui Chemical Co., Ltd
Hiroshi SUGAHARA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PIPE-MAKING APPARATUS AND PIPE-MAKING METHOD
Publication number
20190107240
Publication date
Apr 11, 2019
Sekisui Chemical Co., Ltd
Hiroshi SUGAHARA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PIPE-MAKING APPARATUS AND PIPE-MAKING METHOD FOR SPIRAL PIPE
Publication number
20180038541
Publication date
Feb 8, 2018
SEKISUI CHEMICAL CO., LTD.
Hiroshi SUGAHARA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR REHABILITATING EXISTING PIPE
Publication number
20100180973
Publication date
Jul 22, 2010
Akitoshi Ohira
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PIPE PRODUCING APPARATUS AND EXISTING PIPE REHABILITATING METHOD EM...
Publication number
20100008731
Publication date
Jan 14, 2010
Sekisui Chemical Co., Ltd
Shinji Kakine
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
SUPPORT APPARATUS
Publication number
20090283646
Publication date
Nov 19, 2009
SEKISUI CHEMICAL CO., LTD.
Hiroshi Sugahara
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Method for rehabilitating existing pipeline
Publication number
20060283383
Publication date
Dec 21, 2006
Yoshiharu Nozaki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Method and device for lining construction in sewer followed by simu...
Publication number
20040013472
Publication date
Jan 22, 2004
Eiki Akimoto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL