| Patent | Date |
|---|
Low-alloy high-strength seamless steel pipe for oil country tubular goods
Grant 11,453,924 - Okatsu , et al. September 27, 2 | 2022-09-27 |
Low-alloy high-strength seamless steel pipe for oil country tubular goods
Grant 11,414,733 - Okatsu , et al. August 16, 2 | 2022-08-16 |
Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same
Grant 11,401,570 - Endo , et al. August 2, 2 | 2022-08-02 |
Duplex Stainless Steel And Method For Manufacturing Same, And Duplex Stainless Steel Pipe
App 20220228231 - Fujimura; Kazuki ; et al. | 2022-07-21 |
Stainless Steel Seamless Pipe
App 20220177990 - KAMO; Yuichi ; et al. | 2022-06-09 |
High-strength seamless steel pipe for oil country tubular goods, and method for producing the same
Grant 11,313,007 - Yuga , et al. April 26, 2 | 2022-04-26 |
High-strength stainless steel seamless pipe for oil country tubular goods, and method for producing same
Grant 11,306,369 - Kamo , et al. April 19, 2 | 2022-04-19 |
High-strength stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same
Grant 11,286,548 - Kamo , et al. March 29, 2 | 2022-03-29 |
Martensitic Stainless Steel Seamless Pipe For Oil Country Tubular Goods, And Method For Manufacturing Same
App 20220074009 - ENDO; Mami ; et al. | 2022-03-10 |
High strength seamless stainless steel pipe and method for producing same
Grant 11,268,161 - Kamo , et al. March 8, 2 | 2022-03-08 |
Duplex Stainless Steel Seamless Pipe And Method For Manufacturing Same
App 20220018007 - Sasaki; Shunsuke ; et al. | 2022-01-20 |
High-strength seamless steel pipe for oil country tubular goods, and production method for high-strength seamless steel pipe for oil country tubular goods
Grant 11,186,885 - Yuga , et al. November 30, 2 | 2021-11-30 |
Low-alloy High-strength Seamless Steel Pipe For Oil Country Tubular Goods
App 20210363620 - Okatsu; Mitsuhiro ; et al. | 2021-11-25 |
Low alloy high strength seamless steel pipe for oil country tubular goods
Grant 11,111,566 - Okatsu , et al. September 7, 2 | 2021-09-07 |
Martensitic Stainless Steel Seamless Pipe For Oil Country Tubular Goods, And Method For Manufacturing Same
App 20210207232 - ENDO; Mami ; et al. | 2021-07-08 |
Martensitic Stainless Steel Seamless Pipe For Oil Country Tubular Goods, And Method For Manufacturing Same
App 20210198764 - ENDO; Mami ; et al. | 2021-07-01 |
Low alloy high strength thick-walled seamless steel pipe for oil country tubular goods
Grant 10,975,450 - Okatsu , et al. April 13, 2 | 2021-04-13 |
Low-alloy High-strength Seamless Steel Pipe For Oil Country Tubular Goods
App 20210071275 - Okatsu; Mitsuhiro ; et al. | 2021-03-11 |
High-strength seamless steel pipe for oil country tubular goods and method of producing the same
Grant 10,920,297 - Yuga , et al. February 16, 2 | 2021-02-16 |
Martensitic Stainless Steel Seamless Pipe For Oil Country Tubular Goods, And Method For Manufacturing Same
App 20200407814 - ENDO; Mami ; et al. | 2020-12-31 |
High-strength seamless steel pipe for oil country tubular goods and method of producing the same
Grant 10,876,182 - Yuga , et al. December 29, 2 | 2020-12-29 |
High-strength seamless steel pipe for oil country tubular goods and method of producing the same
Grant 10,844,453 - Yuga , et al. November 24, 2 | 2020-11-24 |
Low-alloy High-strength Seamless Steel Pipe For Oil Country Tubular Goods
App 20200325553 - Okatsu; Mitsuhiro ; et al. | 2020-10-15 |
Martensitic Stainless Steel Seamless Pipe For Oil Country Tubular Goods, And Method For Manufacturing Same
App 20200283866 - Endo; Mami ; et al. | 2020-09-10 |
Martensitic Stainless Steel Seamless Pipe For Oil Country Tubular Goods, And Method For Manufacturing Same
App 20200270715 - Endo; Mami ; et al. | 2020-08-27 |
High-strength Stainless Steel Seamless Pipe For Oil Country Tubular Goods, And Method For Manufacturing Same
App 20200216936 - Kamo; Yuichi ; et al. | 2020-07-09 |
Abrasion-resistant steel plate and method for manufacturing the same
Grant 10,662,493 - Yuga , et al. | 2020-05-26 |
High-strength seamless steel pipe for oil country tubular goods and method of producing the same
Grant 10,640,856 - Yuga , et al. | 2020-05-05 |
High-strength Stainless Steel Seamless Pipe For Oil Country Tubular Goods, And Method For Producing Same
App 20190376157 - Kamo; Yuichi ; et al. | 2019-12-12 |
High Strength Seamless Stainless Steel Pipe And Method For Producing Same
App 20190368001 - Kamo; Yuichi ; et al. | 2019-12-05 |
Duplex Stainless Steel And Method For Producing Same
App 20190352752 - EGUCHI; Kenichiro ; et al. | 2019-11-21 |
High-strength seamless steel pipe for oil country tubular goods and method of producing the same
Grant 10,472,690 - Yuga , et al. Nov | 2019-11-12 |
Martensitic Stainless Steel Seamless Pipe For Oil Country Tubular Goods, And Method For Producing Same
App 20190241989 - Endo; Mami ; et al. | 2019-08-08 |
High-strength Seamless Steel Pipe For Oil Country Tubular Goods, And Method For Producing The Same
App 20190226039 - Yuga; Masao ; et al. | 2019-07-25 |
Dual-phase Stainless Steel, And Method Of Production Thereof
App 20190211416 - Yoshimura; Yusuke ; et al. | 2019-07-11 |
High-tensile-strength steel plate and process for producing same
Grant 10,316,385 - Ichimiya , et al. | 2019-06-11 |
Weld joint
Grant 10,300,564 - Ichimiya , et al. | 2019-05-28 |
Low Alloy High Strength Thick-walled Seamless Steel Pipe For Oil Country Tubular Goods
App 20190055617 - Okatsu; Mitsuhiro ; et al. | 2019-02-21 |
Low Alloy High Strength Seamless Steel Pipe For Oil Country Tubular Goods
App 20190048443 - Okatsu; Mitsuhiro ; et al. | 2019-02-14 |
Low Alloy High Strength Seamless Steel Pipe For Oil Country Tubular Goods
App 20190048444 - Okatsu; Mitsuhiro ; et al. | 2019-02-14 |
High-strength Seamless Steel Pipe For Oil Country Tubular Goods, And Production Method For High-strength Seamless Steel Pipe For Oil Country Tubular Goods
App 20190024201 - Yuga; Masao ; et al. | 2019-01-24 |
High-strength Seamless Steel Pipe For Oil Country Tubular Goods And Method Of Producing The Same
App 20180327881 - YUGA; Masao ; et al. | 2018-11-15 |
Round bar tensile test specimen for sulfide stress corrosion cracking test of a steel, test method for sulfide stress corrosion cracking of steel, and seamless steel pipe having excellent resistance to sulfide stress corrosion cracking
Grant 9,995,669 - Yuga , et al. June 12, 2 | 2018-06-12 |
High-tensile steel plate giving welding heat-affected zone with excellent low-temperature toughness, and process for producing same
Grant 9,945,015 - Yuga , et al. April 17, 2 | 2018-04-17 |
High-strength Seamless Steel Pipe For Oil Country Tubular Goods And Method Of Producing The Same (as Amended)
App 20170349964 - Yuga; Masao ; et al. | 2017-12-07 |
High-strength Seamless Steel Pipe For Oil Country Tubular Goods And Method Of Producing The Same (as Amendmed)
App 20170349963 - Yuga; Masao ; et al. | 2017-12-07 |
High tensile strength steel plate having excellent weld heat-affected zone low-temperature toughness and method for producing same
Grant 9,790,579 - Yuga , et al. October 17, 2 | 2017-10-17 |
High-strength Seamless Steel Pipe For Oil Country Tubular Goods And Method Of Producing The Same
App 20170283918 - Yuga; Masao ; et al. | 2017-10-05 |
Thick-walled, high tensile strength steel with excellent CTOD characteristics of the weld heat-affected zone, and manufacturing method thereof
Grant 9,777,358 - Ichimiya , et al. October 3, 2 | 2017-10-03 |
High-strength Seamless Steel Pipe For Oil Country Tubular Goods And Method Of Producing The Same (as Amended)
App 20170275715 - Yuga; Masao ; et al. | 2017-09-28 |
Thick Steel Plate And Method For Manufacturing The Same
App 20170183750 - MIURA; Shinichi ; et al. | 2017-06-29 |
Test Method For Sulfide Stress Corrosion Cracking Of Steel And Seamless Steel Pipe Having Excellent Resistance To Sulfide Stress Corrosion Cracking
App 20170167968 - YUGA; Masao ; et al. | 2017-06-15 |
High-tensile-strength Steel Plate And Process For Producing Same
App 20170137905 - Ichimiya; Katsuyuki ; et al. | 2017-05-18 |
Abrasion-resistant Steel Plate And Method For Manufacturing The Same
App 20160348208 - YUGA; Masao ; et al. | 2016-12-01 |
Thick-walled, High Tensile Strength Steel With Excellent Ctod Characteristics Of The Weld Heat-affected Zone, And Manufacturing Method Thereof
App 20150203945 - Ichimiya; Katsuyuki ; et al. | 2015-07-23 |
High Tensile Strength Steel Plate Having Excellent Weld Heat-affected Zone Low-temperature Toughness And Method For Producing Same
App 20150075682 - Yuga; Masao ; et al. | 2015-03-19 |
High-tensile Steel Plate Giving Welding Heat-affected Zone With Excellent Low-temperature Toughness, And Process For Producing Same
App 20140246131 - Yuga; Masao ; et al. | 2014-09-04 |
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