Tanizawa; Akihiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tanizawa; Akihiko.The latest application filed is for "steel material for line pipes, method for producing the same, and method for producing line pipe".

Company Profile

2.5.9

Tanizawa; Akihiko - Tokyo JP
Tanizawa; Akihiko - Chiyoda-ku Tokyo
Tanizawa; Akihiko - Fukuyama N/A JP
Tanizawa; Akihiko - Fukuyama-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Steel material for line pipes, method for producing the same, and method for producing line pipe Grant 11,401,568 - Yasuda , et al. August 2, 2	2022-08-02
Steel Material For Line Pipes, Method For Producing The Same, And Method For Producing Line Pipe App 20210054471 - Yasuda; Kyono ; et al.	2021-02-25
Steel Material For Line Pipes, Method For Producing The Same, And Method For Producing Line Pipe App 20210032732 - Yasuda; Kyono ; et al.	2021-02-04
Welded steel pipe for linepipe having high compressive strength and excellent sour gas resistance and manufacturing method thereof Grant 9,181,609 - Ishikawa , et al. November 10, 2	2015-11-10
Welded steel pipe for linepipe with high compressive strength and manufacturing method thereof Grant 9,089,919 - Nishimura , et al. July 28, 2	2015-07-28
Thick, High-strength, Sour-resistant Line Pipe And Method For Producing Same App 20150176727 - Tanizawa; Akihiko ; et al.	2015-06-25
Thick-walled High-strength Sour-resistant Line Pipe And Method For Producing Same App 20150152982 - Tanizawa; Akihiko ; et al.	2015-06-04
Abrasion Resistant Welded Steel Pipe And Method Of Producing The Same App 20150007904 - Tanizawa; Akihiko ; et al.	2015-01-08
Welded Steel Pipe With Excellent Welded Heat-affected Zone Toughness And Process For Producing Same App 20140227549 - Tanizawa; Akihiko ; et al.	2014-08-14
Welded Steel Pipe For Linepipe Having High Compressive Strength And Excellent Sour Gas Resistance And Manufacturing Method Thereof App 20130000793 - Ishikawa; Nobuyuki ; et al.	2013-01-03
Welded Steel Pipe For Linepipe Having High Compressive Strength And High Fracture Toughness And Manufacturing Method Thereof App 20120305122 - Ishikawa; Nobuyuki ; et al.	2012-12-06
Welded Steel Pipe For Linepipe With High Compressive Strength And Manufacturing Method Thereof App 20120285576 - Nishimura; Kimihiro ; et al.	2012-11-15

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