专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08157930B2 Martensitic stainless steel 有权
标题翻译：马氏体不锈钢
公开(公告)号：US08157930B2
公开(公告)日：2012-04-17
申请号：US10798855
申请日：2004-03-12
申请人： Hisashi Amaya , Kunio Kondo , Masakatsu Ueda , Keiichi Nakamura , Takahiro Kushida , Kazuyo Kushida, legal representative
发明人： Hisashi Amaya , Kunio Kondo , Masakatsu Ueda , Keiichi Nakamura , Takahiro Kushida
IPC分类号： C22C38/22 , C21D8/02
CPC分类号： C22C38/44 , C22C38/001 , C22C38/002 , C22C38/04 , C22C38/42
摘要： A martensitic stainless steel comprising C: 0.01-0.10%, Si: 0.05-1.0%, Mn: 0.05-1.5%, P: not more than 0.03%, S: not more than 0.01%, Cr: 9-15%, Ni: 0.1-4.5%, Al: not more than 0.05% and N: not more than 0.1% in mass %, and further comprising at least one of Cu: 0.05-5% and Mo: 0.05-5%, the residual being Fe and impurities, is provided, wherein the contents of Cu and Mo satisfy the following formula (a) or (b), 0.2%≦Mo+Cu/4≦5% (a) 0.55%≦Mo+Cu/4≦5% (b) and wherein the hardness is 30-45 in HRC and the carbide amount in grain boundaries of the prior austenite is not more than 0.5 volume %. The marensitic stainless steel has excellent properties regarding the sulfide stress cracking resistance, the resistance to corrosive wear and the localized corrosion.
摘要翻译：一种马氏体不锈钢，其包含C：0.01〜0.10％，Si：0.05〜1.0％，Mn：0.05〜1.5％，P：0.03％以下，S：0.01％以下，Cr：9〜15％，Ni ：0.1-4.5％，Al：0.05％以下，N：0.1质量％以下，进一步含有Cu：0.05〜5％和Mo：0.05〜5％中的至少一种，残留物为Fe 提供Cu和Mo的含量满足下式（a）或（b）：0.2％＆lt; NlE; Mo + Cu / 4＆nlE; 5％（a）0.55％＆nlE; Mo + Cu / 4＆ 5％（b），硬度在HRC中为30-45，前奥氏体的晶界中的碳化物量不大于0.5体积％。锰矿不锈钢具有耐硫化物应力开裂性，耐腐蚀性和局部腐蚀性等优异性能。

2. 发明申请

US20050034790A1 Martensitic stainless steel 有权
标题翻译：马氏体不锈钢
公开(公告)号：US20050034790A1
公开(公告)日：2005-02-17
申请号：US10798855
申请日：2004-03-12
申请人： Hisashi Amaya , Kunio Kondo , Masakatsu Ueda , Keiichi Nakamura , Takahiro Kushida , Kazuyo Kushida
发明人： Hisashi Amaya , Kunio Kondo , Masakatsu Ueda , Keiichi Nakamura , Takahiro Kushida , Kazuyo Kushida
IPC分类号： C22C38/00 , C22C38/04 , C22C38/42 , C22C38/44 , C22C38/54 , C22C38/22
CPC分类号： C22C38/44 , C22C38/001 , C22C38/002 , C22C38/04 , C22C38/42
摘要： A martensitic stainless steel comprising C: 0.01-0.10%, Si: 0.05-1.0%, Mn: 0.05-1.5%, P: not more than 0.03%, S: not more than 0.01%, Cr: 9-15%, Ni: 0.1-4.5%, Al: not more than 0.05% and N: not more than 0.1% in mass %, and further comprising at least one of Cu: 0.05-5% and Mo: 0.05-5%, the residual being Fe and impurities, is provided, wherein the contents of Cu and Mo satisfy the following formula (a) or (b), 0.2%≦Mo+Cu/4≦5% (a) 0.55%≦Mo+Cu/4≦5% (b) and wherein the hardness is 30-45 in HRC and the carbide amount in grain boundaries of the prior austenite is not more than 0.5 volume %. The marensitic stainless steel has excellent properties regarding the sulfide stress cracking resistance, the resistance to corrosive wear and the localized corrosion.
摘要翻译：一种马氏体不锈钢，其包含C：0.01〜0.10％，Si：0.05〜1.0％，Mn：0.05〜1.5％，P：0.03％以下，S：0.01％以下，Cr：9〜15％，Ni ：0.1-4.5％，Al：0.05％以下，N：0.1质量％以下，进一步含有Cu：0.05〜5％和Mo：0.05〜5％中的至少一种，残留物为Fe 和杂质，其中Cu和Mo的含量满足下式（a）或（b），0.2％<= Mo + Cu / 4 <= 5％（a）0.55％<= Mo + Cu / 4 <= 5％（b），其中HRC中的硬度为30-45，并且原奥氏体的晶界中的碳化物量不大于0.5体积％。锰矿不锈钢具有耐硫化物应力开裂性，耐腐蚀性和局部腐蚀性等优异性能。

3. 发明申请

US20090032150A1 Oil country tubular good for expansion in well and manufacturing method thereof 有权
标题翻译：油井管井有利于扩大井口及其制造方法
公开(公告)号：US20090032150A1
公开(公告)日：2009-02-05
申请号：US12285031
申请日：2008-09-29
申请人： Taro Ohe , Keiichi Nakamura , Hideki Takabe , Toshiharu Abe , Tomoki Mori , Masakatsu Ueda
发明人： Taro Ohe , Keiichi Nakamura , Hideki Takabe , Toshiharu Abe , Tomoki Mori , Masakatsu Ueda
IPC分类号： C21D9/08 , C22C38/42
CPC分类号： C22C38/18 , C21D8/105 , C22C38/02 , C22C38/04 , C22C38/20 , Y10S148/909
摘要： An oil country tubular good for expansion according to the invention is expanded in a well. The oil country tubular good for expansion has a composition containing, in percentage by mass, 0.05% to 0.08% C, at most 0.50% Si, 0.80% to 1.30% Mn, at most 0.030% P, at most 0.020% S, 0.08% to 0.50% Cr, at most 0.01% N, 0.005% to 0.06% Al, at most 0.05% Ti, at most 0.50% Cu, and at most 0.50% Ni, and the balance consisting of Fe and impurities, and a structure having a ferrite ratio of at least 80%. The oil country tubular good for expansion has a yield strength in the range from 276 MPa to 379 MPa and a uniform elongation of at least 16%. Therefore, the oil country tubular good according to the invention has a high pipe expansion characteristic.
摘要翻译：根据本发明的有利于膨胀的油井管在井中扩大。适用于膨胀的油井管具有以质量计含有0.05％至0.08％C，至多0.50％Si，0.80％至1.30％Mn，至多0.030％P，至多0.020％S，0.08 ％至0.50％的Cr，至多0.01％的N，0.005％至0.06％的Al，至多0.05％的Ti，至多0.50％的Cu和至多0.50％的Ni，余量由Fe和杂质组成，具有至少80％的铁素体比。用于膨胀的油井管的屈服强度在276MPa至379MPa的范围内，并且具有至少16％的均匀伸长率。因此，根据本发明的油井管状管具有较高的管膨胀特性。

4. 发明授权

US07799149B2 Oil country tubular good for expansion in well and manufacturing method thereof 有权
标题翻译：油井管井有利于扩大井口及其制造方法
公开(公告)号：US07799149B2
公开(公告)日：2010-09-21
申请号：US12285031
申请日：2008-09-29
申请人： Taro Ohe , Keiichi Nakamura , Hideki Takabe , Toshiharu Abe , Tomoki Mori , Masakatsu Ueda
发明人： Taro Ohe , Keiichi Nakamura , Hideki Takabe , Toshiharu Abe , Tomoki Mori , Masakatsu Ueda
IPC分类号： C22C38/04 , C22C38/18 , C21D8/10 , C21D9/08
CPC分类号： C22C38/18 , C21D8/105 , C22C38/02 , C22C38/04 , C22C38/20 , Y10S148/909
摘要： An oil country tubular good for expansion according to the invention is expanded in a well. The oil country tubular good for expansion has a composition containing, in percentage by mass, 0.05% to 0.08% C, at most 0.50% Si, 0.80% to 1.30% Mn, at most 0.030% P, at most 0.020% S, 0.08% to 0.50% Cr, at most 0.01% N, 0.005% to 0.06% Al, at most 0.05% Ti, at most 0.50% Cu, and at most 0.50% Ni, and the balance consisting of Fe and impurities, and a structure having a ferrite ratio of at least 80%. The oil country tubular good for expansion has a yield strength in the range from 276 MPa to 379 MPa and a uniform elongation of at least 16%. Therefore, the oil country tubular good according to the invention has a high pipe expansion characteristic.
摘要翻译：根据本发明的有利于膨胀的油井管在井中扩大。适用于膨胀的油井管具有以质量计含有0.05％至0.08％C，至多0.50％Si，0.80％至1.30％Mn，至多0.030％P，至多0.020％S，0.08 ％至0.50％的Cr，至多0.01％的N，0.005％至0.06％的Al，至多0.05％的Ti，至多0.50％的Cu和至多0.50％的Ni，余量由Fe和杂质组成，具有至少80％的铁素体比。用于膨胀的油井管的屈服强度在276MPa至379MPa的范围内，并且具有至少16％的均匀伸长率。因此，根据本发明的油井管状管具有较高的管膨胀特性。

5. 发明授权

US09719617B2 Threaded joint for steel pipes 有权
公开(公告)号：US09719617B2
公开(公告)日：2017-08-01
申请号：US13088460
申请日：2011-04-18
申请人： Takashi Okada , Keiichi Nakamura , Masaaki Sugino , Suguru Yamaguchi
发明人： Takashi Okada , Keiichi Nakamura , Masaaki Sugino , Suguru Yamaguchi
IPC分类号： F16L15/00 , E21B17/042
CPC分类号： F16L15/004 , E21B17/042
摘要： In a threaded joint for steel pipes comprising a pin (1) and a box (2), each having a threaded portion (11 or 21), a sealing surface (13 or 23), and a shoulder surface (14, 15 or 24, 25), the sealing surface (13) of the pin (1) is formed by a tapered surface, and the sealing surface (23) of the box (2) is formed by a first curved surface portion with a large radius of curvature in the range of 15-120 mm, a tapered surface portion, and a second curved surface portion with a large radius of curvature again in the range of 15-120 mm.

6. 发明授权

US09605781B2 Threaded connection comprising at least one threaded element with an end lip for a metal tube 有权
公开(公告)号：US09605781B2
公开(公告)日：2017-03-28
申请号：US12741054
申请日：2008-11-03
申请人： Sylvain Beigneux , Daly Daly , Bertrand Maillon , Claire Patureau , Eric Verger , Michihiko Iwamoto , Keiichi Nakamura , Masaaki Sugino , Suguru Yamaguchi
发明人： Sylvain Beigneux , Daly Daly , Bertrand Maillon , Claire Patureau , Eric Verger , Michihiko Iwamoto , Keiichi Nakamura , Masaaki Sugino , Suguru Yamaguchi
IPC分类号： F16L15/00 , E21B17/042
CPC分类号： F16L15/004 , E21B17/042 , Y10T29/49826 , Y10T82/10 , Y10T408/03 , Y10T409/303752
摘要： A threaded tubular connection includes a female threaded portion at a first tubular component end and a male threaded portion at a second tubular component end, the female threaded portion including a female thread, at least one female sealing surface on its inner peripheral surface, and at least one female axial abutment surface, the male threaded portion including a male thread, at least one male sealing surface on its outer peripheral surface, at least one axial abutment surface, and a lip disposed between the sealing surface and an axial abutment surface located at a free end of the threaded portion distant from the thread, the male thread being made up into the female thread such that at least one male axial abutment surface is in contact with at least one female axial abutment surface, at least one male sealing surface being in interference contact with at least one corresponding female sealing surface, the portion of the lip between the sealing surface and the axial abutment surface being radially distant from a corresponding surface of the other threaded portion, at least one leak channel being provided in one of the threaded portions to place the chamber formed between the lip and the corresponding surface of the other threaded portion in communication with the interior of the connection.

7. 发明授权

US08995064B2 Zoom lens, imaging apparatus, and method for manufacturing zoom lens 有权
标题翻译：变焦镜头，成像设备和制造变焦镜头的方法
公开(公告)号：US08995064B2
公开(公告)日：2015-03-31
申请号：US13589156
申请日：2012-08-19
申请人： Keiichi Nakamura
发明人： Keiichi Nakamura
IPC分类号： G02B15/14 , G02B15/173 , G02B27/64
CPC分类号： G02B15/173 , G02B15/14 , G02B27/646
摘要： Disclosed is a zoom lens having a first lens group G1 having positive refractive power; a second lens group G2 having negative refractive power; a third lens group G3 having positive refractive power; and a fourth lens group G4 having positive refractive power. Upon zooming from a wide-angle end state to a telephoto end state, a distance between the first lens group G1 and the second lens group G2 is changed, a distance between the second lens group G2 and the third lens group G3 is changed, and the fourth lens group G4 is moved toward the object first, then moved toward an image. The third lens group G3 has a first positive lens L31, a negative lens L32 and a second positive lens L33, and the fourth lens group G4 has two lenses: L41 and L42.
摘要翻译：公开了具有正屈光力的第一透镜组G1的变焦透镜; 具有负屈光力的第二透镜组G2; 具有正屈光力的第三透镜组G3; 以及具有正屈光力的第四透镜组G4。当从广角端状态变焦到望远端状态时，第一透镜组G1与第二透镜组G2之间的距离发生变化，第二透镜组G2与第三透镜组G3之间的距离发生变化，第四透镜组G4首先朝向物体移动，然后向图像移动。第三透镜组G3具有第一正透镜L31，负透镜L32和第二正透镜L33，第四透镜组G4具有两个透镜：L41和L42。

8. 发明授权

US08481892B2 Ceramic heater and method for producing same 有权
标题翻译：陶瓷加热器及其制造方法
公开(公告)号：US08481892B2
公开(公告)日：2013-07-09
申请号：US12732449
申请日：2010-03-26
申请人： Keiichi Nakamura , Kazuhiro Nobori
发明人： Keiichi Nakamura , Kazuhiro Nobori
IPC分类号： F23Q7/00 , F23Q7/22
CPC分类号： F23Q7/22 , H05B3/143 , Y10T29/49083
摘要： A method for producing a ceramic heater includes performing firing at 1,600° C. to 1,750° C. in a state in which front and back surfaces of an inner shaped body composed of low-temperature sinterable raw material powder containing aluminum nitride powder as a main component and 0.03% to 1% by weight of rare earth oxide powder are sandwiched between a pair of outer layers composed of aluminum nitride sintered bodies having a volume resistivity of 1015 Ωcm or more through resistive heating elements composed of metal meshes, thereby obtaining a ceramic heater.
摘要翻译：一种陶瓷加热器的制造方法，其特征在于，在以含有氮化铝粉末为主体的低温可烧结原料粉末构成的内周面的正面和背面的状态下，在1600℃〜1750℃下进行烧成 0.03％〜1％（重量）的稀土类氧化物粉末，通过由金属网构成的电阻加热元件夹在体积电阻率为1015Ω·m以上的氮化铝烧结体的一对外层之间，得到陶瓷加热器。

9. 发明授权

US08438926B2 Method of evaluating fastening state of threaded joint of pipes or tubes, method for fastening threaded joint of pipes or tubes, and apparatus for evaluating fastening state of threaded joint of pipes or tubes 有权
标题翻译：评估管道螺纹接头的紧固状态的方法，管道或管子的螺纹接头的方法以及用于评估管道或管道的螺纹接头的紧固状态的装置
公开(公告)号：US08438926B2
公开(公告)日：2013-05-14
申请号：US13239610
申请日：2011-09-22
申请人： Ikuji Hoshino , Masaki Yamano , Makoto Sakamoto , Keiichi Nakamura , Jun Masubuchi , Kenta Sakai
发明人： Ikuji Hoshino , Masaki Yamano , Makoto Sakamoto , Keiichi Nakamura , Jun Masubuchi , Kenta Sakai
IPC分类号： G01N29/24 , G01N29/07 , G01N29/09
CPC分类号： G01N29/11 , F16L15/004 , F16L2201/10 , G01N2291/02827 , G01N2291/0423 , G01N2291/044 , G01N2291/2636 , G01N2291/2691
摘要： The present invention provides a method which allows simply, easily and accurately evaluating the fastening state of shoulder parts of a threaded joint for use as a joint of pipes or tubes, such as OCTG, during fastening or after fastening. The fastening state evaluation method for a threaded joint 100 of pipes or tubes according to the present invention is characterized in that it transmits ultrasonic surface waves from the internal surface of either one of the pin 1 and the box 2 toward the internal surface of the other one of the pin 1 and the box 2 through the shoulder parts 13, 23 of the pin 1 and the box 2, and on the basis of the transmitted wave intensity or the reflected wave intensity thereof, determines whether or not the fastening state of the threaded joint 100 is satisfactory.
摘要翻译：本发明提供了一种方法，其可以简单，容易且准确地评估在紧固期间或紧固之后用作管道或管（如OCTG）的接头的螺纹接头的肩部的紧固状态。根据本发明的管或螺纹接头100的紧固状态评估方法的特征在于，其从销1和盒2中的任一个的内表面向另一个的内表面传输超声表面波通过销1和盒子2的肩部13,23的销1和盒2中的一个，并且基于透射波强度或其反射波强度，确定是否将紧固状态螺纹接头100是令人满意的。

10. 发明授权

US08279576B2 Electrostatic chuck 有权
标题翻译：静电吸盘
公开(公告)号：US08279576B2
公开(公告)日：2012-10-02
申请号：US12753992
申请日：2010-04-05
申请人： Keiichi Nakamura , Shunsuke Tanaka
发明人： Keiichi Nakamura , Shunsuke Tanaka
IPC分类号： H01L21/683 , H01T23/00 , B32B9/00 , C04B35/00 , B23B31/28
CPC分类号： H01L21/6833 , Y10T279/23 , Y10T428/30
摘要： A ceramic electrostatic chuck according to the present invention includes a dielectric layer with a support layer in contact with the back side of the dielectric layer, and an embedded electrostatic electrode. A wafer is placed on the dielectric layer and the dielectric layer is formed of sintered aluminum nitride containing Sm and has a volume resistivity in the range of 4×109 to 4×1010 Ωcm at room temperature. The support layer is formed of sintered aluminum nitride containing Sm and Ce and has a volume resistivity of 1×1013 Ωcm or more at room temperature.
摘要翻译：根据本发明的陶瓷静电卡盘包括具有与电介质层的背面接触的支撑层的电介质层和嵌入的静电电极。将晶片放置在电介质层上，并且电介质层由包含Sm的烧结氮化铝形成，并且在室温下体积电阻率在4×10 9至4×10 10Ω·cm cm之间。载体层由包含Sm和Ce的烧结氮化铝形成，并且在室温下体积电阻率为1×10 13Ω·cm以上。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式