TOMIO; Yusaku

Patent Applications and Registrations

Patent applications and USPTO patent grants for TOMIO; Yusaku.The latest application filed is for "seamless steel pipe suitable for use in sour environment".

Company Profile

9.12.20

TOMIO; Yusaku - Chiyoda-ku Tokyo
Tomio; Yusaku - Tokyo JP
Tomio; Yusaku - Nishinomiya JP
Tomio; Yusaku - Osaka JP
TOMIO; Yusaku - Nishinomiya-shi Hyogo

*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
Seamless Steel Pipe Suitable For Use In Sour Environment App 20220186350 - OKADA; Seiya ; et al.	2022-06-16
Duplex Stainless Steel Material App 20220145438 - NOGUCHI; Mikiko ; et al.	2022-05-12
Duplex Stainless Seamless Steel Pipe And Method For Producing Duplex Stainless Seamless Steel Pipe App 20220127707 - KATO; Kosei ; et al.	2022-04-28
Cr-Ni alloy and seamless steel pipe made of Cr-Ni alloy Grant 11,286,545 - Tomio , et al. March 29, 2	2022-03-29
Martensitic Stainless Seamless Steel Pipe App 20220033943 - KANKI; Kyohei ; et al.	2022-02-03
Martensitic Stainless Seamless Steel Pipe App 20210317556 - KANKI; Kyohei ; et al.	2021-10-14
Austenitic Alloy Pipe and Method for Producing Same App 20210292864 - UEYAMA; Masaki ; et al.	2021-09-23
Seamless Steel Pipe And Method For Producing The Same App 20210269904 - MATSUO; Daisuke ; et al.	2021-09-02
Martensitic Stainless Steel Material App 20210238705 - MATSUO; Daisuke ; et al.	2021-08-05
Cr-Ni ALLOY AND SEAMLESS STEEL PIPE MADE OF Cr-Ni ALLOY App 20200370151 - TOMIO; Akiko ; et al.	2020-11-26
Duplex Stainless Steel And Method For Producing Duplex Stainless Steel App 20200332378 - SAGARA; Masayuki ; et al.	2020-10-22
High-strength steel material for oil well and oil well pipes Grant 10,597,760 - Kobayashi , et al.	2020-03-24
Ni--Cr alloy material and seamless oil country tubular goods using the same Grant 10,557,574 - Tomio , et al. Feb	2020-02-11
High-strength steel material for oil well and oil country tubular goods Grant 10,513,761 - Kobayashi , et al. Dec	2019-12-24
Stainless steel and stainless steel product for oil well Grant 10,378,079 - Tomio , et al. A	2019-08-13
High-strength austenitic stainless steel for high-pressure hydrogen gas Grant 10,266,909 - Omura , et al.	2019-04-23
High-strength austenitic stainless steel for high-pressure hydrogen gas Grant 10,260,125 - Omura , et al.	2019-04-16
Martensitic Cr-containing steel and oil country tubular goods Grant 10,246,765 - Omura , et al.	2019-04-02
Stainless Steel And Stainless Steel Production For Oil Well App 20180209009 - TOMIO; Yusaku ; et al.	2018-07-26
Steel Material And Expandable Oil Country Tubular Goods App 20170349982 - KOBAYASHI; Kenji ; et al.	2017-12-07
High-strength Steel Material For Oil Well And Oil Country Tubular Goods App 20170306462 - KOBAYASHI; Kenji ; et al.	2017-10-26
Stainless steel for oil wells and stainless steel pipe for oil wells Grant 9,783,876 - Nakatsuka , et al. October 10, 2	2017-10-10
MARTENSITIC Cr-CONTAINING STEEL AND OIL COUNTRY TUBULAR GOODS App 20160326617 - Omura; Tomohiko ; et al.	2016-11-10
High-strength Austenitic Stainless Steel For High-pressure Hydrogen Gas App 20160304983 - OMURA; Tomohiko ; et al.	2016-10-20
Ni-Cr ALLOY MATERIAL AND SEAMLESS OIL COUNTRY TUBULAR GOODS USING THE SAME App 20160265694 - TOMIO; Yusaku ; et al.	2016-09-15
High-strength Steel Material For Oil Well And Oil Well Pipes App 20160168672 - KOBAYASHI; Kenji ; et al.	2016-06-16
Austenitic steel welded joint Grant 9,211,601 - Hirata , et al. December 15, 2	2015-12-15
Stainless Steel For Oil Wells And Stainless Steel Pipe For Oil Wells App 20150047831 - Nakatsuka; Shinjiro ; et al.	2015-02-19
Austenitic Steel Welded Joint App 20140186101 - Hirata; Hiroyuki ; et al.	2014-07-03

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