NAGAO; Akihide

Patent Applications and Registrations

Patent applications and USPTO patent grants for NAGAO; Akihide.The latest application filed is for "steel material for high-pressure hydrogen gas environment, steel structure for high-pressure hydrogen gas environment, and methods for producing steel material for high-pressure hydrogen gas environment".

Company Profile

4.12.16

NAGAO; Akihide - Tokyo JP
Nagao; Akihide - Kawasaki JP
Nagao; Akihide - Sakai JP
NAGAO; Akihide - Chiyoda-ku Tokyo
Nagao; Akihide - Kurashiki N/A JP
Nagao; Akihide - Hiroshima 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 High-pressure Hydrogen Gas Environment, Steel Structure For High-pressure Hydrogen Gas Environment, And Methods For Producing Steel Material For High-pressure Hydrogen Gas Environment App 20220064770 - NAGAO; Akihide	2022-03-03
High-pressure Hydrogen Tank App 20210396354 - TAKANO; Toshio ; et al.	2021-12-23
Method Of Manufacturing Pressure Accumulator App 20210270421 - Okano; Hiroshi ; et al.	2021-09-02
Life Estimation Apparatus For Accumulator And Life Extension Method For Pressure Accumulator App 20210270779 - Okano; Hiroshi ; et al.	2021-09-02
Hydrogen storage tank Grant 10,837,602 - Takagi , et al. November 17, 2	2020-11-17
Work vehicle Grant 10,788,083 - Inaba , et al. September 29, 2	2020-09-29
Steel material for composite pressure vessel liner and steel pipe or tube for composite pressure vessel liner Grant 10,697,036 - Takagi , et al. June 30, 2	2020-06-30
Gas-phase hydrogen permeation test device and method of protecting gas-phase hydrogen permeation test device Grant 10,295,453 - Nagao , et al.	2019-05-21
Abrasion resistant steel plate having excellent low-temperature toughness and hydrogen embrittlement resistance and method for manufacturing the same Grant 10,253,385 - Nagao , et al.	2019-04-09
Steel Structure For Hydrogen Gas With Excellent Hydrogen Embrittlement Resistance In High Pressure Hydrogen Gas And Method Of Producing The Same App 20180312935 - NAGAO; Akihide ; et al.	2018-11-01
Steel material, hydrogen container, method for producing the steel material, and method for producing the hydrogen container Grant 10,106,875 - Takagi , et al. October 23, 2	2018-10-23
Abrasion resistant steel plate having excellent low-temperature toughness and method for manufacturing the same Grant 10,093,998 - Nagao , et al. October 9, 2	2018-10-09
Steel Material For Composite Pressure Vessel Liner, Steel Pipe Or Tube For Composite Pressure Vessel Liner, And Method Of Manufacturing Steel Pipe Or Tube For Composite Pressure Vessel Liner App 20180230567 - TAKAGI; Shusaku ; et al.	2018-08-16
Gas-phase Hydrogen Permeation Test Device And Method Of Protecting Gas-phase Hydrogen Permeation Test Device App 20180231450 - NAGAO; Akihide ; et al.	2018-08-16
Steel Material For Composite Pressure Vessel Liner, Steel Pipe Or Tube For Composite Pressure Vessel Liner, And Method Of Manufacturing Steel Pipe Or Tube For Composite Pressure Vessel Liner App 20180044748 - TAKAGI; Shusaku ; et al.	2018-02-15
Hydrogen Storage Tank (as Amended) App 20160091140 - Takagi; Shusaku ; et al.	2016-03-31
Abrasion Resistant Steel Plate Having Excellent Low-temperature Toughness And Method For Manufacturing The Same App 20160076118 - NAGAO; Akihide ; et al.	2016-03-17
Steel Structure For Hydrogen Gas, Mehtod For Producing Hydrogen Storage Tank, And Method For Producing Hydrogen Line Pipe (as Amended) App 20160060738 - Nagao; Akihide ; et al.	2016-03-03
Abrasion Resistant Steel Plate Having Excellent Low-temperature Toughness And Hydrogen Embrittlement Resistance And Method For Manufacturing The Same App 20160060721 - NAGAO; Akihide ; et al.	2016-03-03
Steel Material, Hydrogen Container, Method For Producing The Steel Material, And Method For Producing The Hydrogen Container (as Amended) App 20160053355 - Takagi; Shusaku ; et al.	2016-02-25
High tensile strength steel material having excellent delayed fracture resistance property, and method of manufacturing the same Grant 8,728,257 - Oi , et al. May 20, 2	2014-05-20
High tensile strength steel having favorable delayed fracture resistance and method for manufacturing the same Grant 8,357,252 - Nagao , et al. January 22, 2	2013-01-22
High Tensile Strength Steel Having Favorable Delayed Fracture Resistance And Method For Manufacturing The Same App 20100024926 - Nagao; Akihide ; et al.	2010-02-04
Method for manufacturing high tensile strength steel plate Grant 7,648,597 - Nagao , et al. January 19, 2	2010-01-19
Method for Manufacturing High Tensile Strength Steel Plate App 20080283158 - Nagao; Akihide ; et al.	2008-11-20
High Tensile Strength Steel Material Having Excellent Delayed Fracture Resistance Property, and Method of Manufacturing the Same App 20080110535 - Oi; Kenji ; et al.	2008-05-15

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