Patent | Date |
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High strength stainless steel seamless pipe for oil country tubular goods Grant 11,414,719 - Eguchi , et al. August 16, 2 | 2022-08-16 |
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 |
Seamless stainless steel pipe for oil country tubular goods and method of manufacturing the same Grant 11,193,179 - Fujimura , et al. December 7, 2 | 2021-12-07 |
High-strength seamless stainless steel pipe for oil country tubular goods and method of manufacturing high-strength seamless stainless steel pipe Grant 11,085,095 - Eguchi , et al. August 10, 2 | 2021-08-10 |
High-strength seamless stainless steel pipe for oil country tubular goods, and method for producing the same Grant 11,072,835 - Eguchi , et al. July 27, 2 | 2021-07-27 |
Thermal-insulated multi-walled pipe for superconducting power transmission and laying method therefor Grant 11,075,508 - Ishiguro , et al. July 27, 2 | 2021-07-27 |
Thermal-insulated multi-walled pipe for superconducting power transmission Grant 10,971,286 - Ishiguro , et al. April 6, 2 | 2021-04-06 |
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 |
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 stainless steel pipe and method of manufacturing high-strength seamless stainless steel pipe Grant 10,876,183 - Eguchi , 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 |
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 |
Thermal-insulated Multi-walled Pipe For Superconducting Power Transmission And Laying Method Therefor App 20200220340 - ISHIGURO; Yasuhide ;   et al. | 2020-07-09 |
Thermal-insulated Multi-walled Pipe For Superconducting Power Transmission App 20200203042 - ISHIGURO; Yasuhide ;   et al. | 2020-06-25 |
Thermal-insulated Multi-walled Pipe For Superconducting Power Transmission App 20200200316 - ISHIGURO; Yasuhide ;   et al. | 2020-06-25 |
High-strength Seamless Stainless Steel Pipe For Oil Country Tubular Goods And Method Of Manufacturing High-strength Seamless Sta App 20200157646 - EGUCHI; Kenichiro ;   et al. | 2020-05-21 |
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 steel pipe for oil country tubular goods and method of producing the same Grant 10,472,690 - Yuga , et al. Nov | 2019-11-12 |
High-strength Seamless Stainless Steel Pipe For Oil Country Tubular Goods, And Method For Producing The Same App 20190292618 - EGUCHI; Kenichiro ;   et al. | 2019-09-26 |
High-strength seamless stainless steel pipe for oil country tubular goods and method for manufacturing the same Grant 10,329,633 - Fujimura , et al. | 2019-06-25 |
High Strength Stainless Steel Seamless Pipe For Oil Country Tubular Goods App 20190136337 - EGUCHI; Kenichiro ;   et al. | 2019-05-09 |
High-strength Seamless Stainless Steel Pipe And Method Of Manufacturing High-strength Seamless Stainless Steel Pipe App 20190100821 - Eguchi; Kenichiro ;   et al. | 2019-04-04 |
Stainless steel seamless pipe for oil well use and method for manufacturing the same Grant 10,240,221 - Eguchi , et al. | 2019-03-26 |
Low Alloy High Strength Seamless Steel Pipe For Oil Country Tubular Goods App 20190048444 - Okatsu; Mitsuhiro ;   et al. | 2019-02-14 |
High-strength stainless steel pipe Grant 10,151,012 - Eguchi , et al. Dec | 2018-12-11 |
High-strength stainless steel seamless tube or pipe for oil country tubular goods, and method of manufacturing the same Grant 10,151,011 - Eguchi , et al. Dec | 2018-12-11 |
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 |
Method of manufacturing high strength stainless steel tube or pipe Grant 10,023,930 - Eguchi , et al. July 17, 2 | 2018-07-17 |
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 |
Thick-walled high-strength seamless steel pipe with excellent sour resistance for pipe for pipeline, and process for producing same Grant 9,932,651 - Ishiguro , et al. April 3, 2 | 2018-04-03 |
Seamless Stainless Steel Pipe For Oil Country Tubular Goods And Method Of Manufacturing The Same App 20170369963 - FUJIMURA; Kazuki ;   et al. | 2017-12-28 |
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-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 App 20170283918 - Yuga; Masao ;   et al. | 2017-10-05 |
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 |
High strength stainless steel seamless pipe with excellent corrosion resistance for oil well and method of manufacturing the same Grant 9,758,850 - Eguchi , et al. September 12, 2 | 2017-09-12 |
High-strength seamless steel pipe for oil well use having excellent resistance to sulfide stress cracking Grant 9,708,681 - Eguchi , et al. July 18, 2 | 2017-07-18 |
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-strength Seamless Stainless Steel Pipe For Oil Country Tubular Goods And Method For Manufacturing The Same App 20170096722 - FUJIMURA; Kazuki ;   et al. | 2017-04-06 |
Method for manufacturing heavy wall steel pipe Grant 9,506,132 - Katsumura , et al. November 29, 2 | 2016-11-29 |
Method Of Manufacturing A High-strength Stainless Steel Pipe And A High-strength Stainless Steel Pipe App 20160215359 - Eguchi; Kenichiro ;   et al. | 2016-07-28 |
High-strength seamless steel tube, having excellent resistance to sulfide stress cracking, for oil wells and method for manufacturing the same Grant 9,234,254 - Eguchi , et al. January 12, 2 | 2016-01-12 |
Method And Facility For Manufacturing Seamless Steel Pipe With Excellent Toughness App 20150368734 - Suzuki; Takeshi ;   et al. | 2015-12-24 |
Stainless Steel Seamless Pipe For Oil Well Use And Method For Manufacturing The Same (as Amended) App 20150354022 - Eguchi; Kenichiro ;   et al. | 2015-12-10 |
Heat Treatment Equipment Line For Seamless Steel Tube Or Pipe, And Method Of Manufacturing High Strength Stainless Steel Tube Or Pipe App 20150315667 - Eguchi; Kenichiro ;   et al. | 2015-11-05 |
High-strength Stainless Steel Seamless Tube Or Pipe For Oil Country Tubular Goods, And Method Of Manufacturing The Same App 20150315684 - Eguchi; Kenichiro ;   et al. | 2015-11-05 |
Method For Manufacturing Heavy Wall Steel Pipe App 20150247227 - Katsumura; Tatsuro ;   et al. | 2015-09-03 |
High Strength Stainless Steel Seamless Pipe With Excellent Corrosion Resistance For Oil Well And Method Of Manufacturing The Same App 20150152531 - Eguchi; Kenichiro ;   et al. | 2015-06-04 |
High-strength Seamless Stainless Steel Tube For Oil Country Tubular Goods And Method Of Manufacturing The Same App 20150101711 - Miyata; Yukio ;   et al. | 2015-04-16 |
High-strength Seamless Steel Pipe For Oil Well Use Having Excellent Resistance To Sulfide Stress Cracking App 20140352836 - Eguchi; Kenichiro ;   et al. | 2014-12-04 |
Thick-walled High-strength Seamless Steel Pipe With Excellent Sour Resistance For Pipe For Pipeline, And Process For Producing Same App 20140137992 - Ishiguro; Yasuhide ;   et al. | 2014-05-22 |
High-strength steel tube having excellent chemical conversion treatability and excellent formability and method for manufacturing the same Grant 8,608,871 - Ishiguro , et al. December 17, 2 | 2013-12-17 |
High-strength Seamless Steel Tube, Having Excellent Resistance To Sulfide Stress Cracking, For Oil Wells And Method For Manufacturing The Same App 20120186704 - Eguchi; Kenichiro ;   et al. | 2012-07-26 |
Method For Processing Member Having Excellent Chemical Conversion Treatability App 20110247727 - Ishiguro; Yasuhide ;   et al. | 2011-10-13 |
Steel pipe with good magnetic properties and method of producing the same Grant 7,942,984 - Ishiguro , et al. May 17, 2 | 2011-05-17 |
Method for manufacturing a high strength steel sheet App 20090223607 - Hasegawa; Kohei ;   et al. | 2009-09-10 |
Steel Pipe With Good Magnetic Properties And Method Of Producing The Same App 20080011389 - Ishiguro; Yasuhide ;   et al. | 2008-01-17 |
High strength steel sheet and method for manufacturing same App 20050173031 - Hasegawa, Kohei ;   et al. | 2005-08-11 |
Steel sheet and method for manufacturing the same Grant 6,652,670 - Inoue , et al. November 25, 2 | 2003-11-25 |
Steel sheet and method for manufacturing the same App 20010050119 - Inoue, Tadashi ;   et al. | 2001-12-13 |
Method for manufacturing cold-rolled steel sheet App 20010039983 - Inoue, Tadashi ;   et al. | 2001-11-15 |
Apparatus for manufacturing silicon single crystals Grant 5,270,020 - Suzuki , et al. December 14, 1 | 1993-12-14 |