Patents by Inventor Yanyan Ma
Yanyan Ma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11946349Abstract: A downhole throttling device based on wireless control includes an inlet nozzle, a throttling assembly, an electrical sealing cylinder, a gas guide cylinder, a lower adapter sleeve, an end socket, a female sleeve, and electrical components. The inlet nozzle is connected to the throttling assembly, the throttling assembly is connected to the electrical sealing cylinder and the gas guide cylinder, the electrical sealing cylinder and the gas guide cylinder are both connected to the lower adapter sleeve, the lower adapter sleeve is respectively connected to the end socket and the female sleeve, and the electrical components are arranged in the electrical sealing cylinder. A throttling effect is achieved by detecting the temperature and pressure in a tube by a temperature/pressure sensor in the electrical components and controlling a motor to rotate a movable valve in the throttling assembly by a circuit control assembly, thereby achieving wireless control over downhole throttling.Type: GrantFiled: September 15, 2020Date of Patent: April 2, 2024Assignees: PetroChina Company Limited, Sichuan Shengnuo Oil. And Gas Engineering Technology Service Co., LtdInventors: Jun Xie, Huiyun Ma, Jian Yang, Chenggang Yu, Yukun Fu, Qiang Yin, Kui Li, Yuan Jiang, Dezheng Yi, Yanyan Liu, Haifeng Zhong, Xiaodong Liu
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Patent number: 11754797Abstract: A high-density optical module system of the present invention comprises: a multi-tier housing assembly, multiple sliding tray assemblies engaged inside each of the multi-tier housing assembly and is moveable inwardly and outwardly within the multi-tier housing assembly with the handle bar; and a multiple rows of the multi-port modules arranged in horizontal arrays containing plural ports connected to the cable adaptors, wherein the multi-port modules are fastened into the sliding tray assembly. The height of the high-density optical module system is approximately 1 RU (19 inches) containing at least 216 LC or 108 SC multiple connector ports.Type: GrantFiled: March 31, 2022Date of Patent: September 12, 2023Assignee: OptiWorks, Inc.Inventors: Yanyan Ma, Tao Han, Chuanxing Zhu
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Publication number: 20220229256Abstract: A high-density optical module system of the present invention comprises: a multi-tier housing assembly, multiple sliding tray assemblies engaged inside each of the multi-tier housing assembly and is moveable inwardly and outwardly within the multi-tier housing assembly with the handle bar; and a multiple rows of the multi-port modules arranged in horizontal arrays containing plural ports connected to the cable adaptors, wherein the multi-port modules are fastened into the sliding tray assembly. The height of the high-density optical module system is approximately 1 RU (19 inches) containing at least 216 LC or 108 SC multiple connector ports.Type: ApplicationFiled: March 31, 2022Publication date: July 21, 2022Applicant: OptiWorks, Inc.Inventors: Yanyan Ma, Tao Han, Chuanxing Zhu
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Publication number: 20220229257Abstract: A high-density optical module system of the present invention comprises: a multi-tier housing assembly, multiple sliding tray assemblies engaged inside each of the multi-tier housing assembly and is moveable inwardly and outwardly within the multi-tier housing assembly with the handle bar; and a multiple rows of the multi-port modules arranged in horizontal arrays containing plural ports connected to the cable adaptors, wherein the multi-port modules are fastened into the sliding tray assembly. The height of the high-density optical module system is approximately 1RU (19 inches) containing at least 216 LC or 108 SC multiple connector ports.Type: ApplicationFiled: March 31, 2022Publication date: July 21, 2022Applicant: OptiWorks, Inc.Inventors: Yanyan Ma, Tao Han, Chuanxing Zhu
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Patent number: 11333842Abstract: A high-density optical module system of the present invention comprises: a multi-tier housing assembly, multiple sliding tray assemblies engaged inside each of the multi-tier housing assembly and is moveable inwardly and outwardly within the multi-tier housing assembly with the handle bar; and a multiple rows of the multi-port modules arranged in horizontal arrays containing plural ports connected to the cable adaptors, wherein the multi-port modules are fastened into the sliding tray assembly. The height of the high-density optical module system is approximately 1RU (19 inches) containing at least 216 LC or 108 SC multiple connector ports.Type: GrantFiled: March 16, 2015Date of Patent: May 17, 2022Assignee: OPTIWORKS, INC.Inventors: Yanyan Ma, Tao Han, Chuanxing Zhu
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Publication number: 20210318506Abstract: A high-density optical module system of the present invention comprises: a multi-tier housing assembly, multiple sliding tray assemblies engaged inside each of the multi-tier housing assembly and is moveable inwardly and outwardly within the multi-tier housing assembly with the handle bar; and a multiple rows of the multi-port modules arranged in horizontal arrays containing plural ports connected to the cable adaptors, wherein the multi-port modules are fastened into the sliding tray assembly. The height of the high-density optical module system is approximately 1RU (19 inches) containing at least 216 LC or 108 SC multiple connector ports.Type: ApplicationFiled: March 16, 2015Publication date: October 14, 2021Inventors: YANYAN MA, TAO HAN, CHUANXING ZHU
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Publication number: 20200288700Abstract: The present invention relates to the field of stem cell technology, and in particular to a stem cell preparation and its application in the preparation of drugs for the treatment of osteoarthritis (OA). The composition provided by the invention can significantly improve the activity of umbilical cord mesenchymal stem cells under cryopreservation conditions, and the stem cell preparation prepared therefrom has a good effect on repairing cartilage injury caused by OA, thereby playing a role in the treatment of OA.Type: ApplicationFiled: November 25, 2019Publication date: September 17, 2020Applicant: GUANGZHOU SALIAI STEM CELL SCIENCE AND TECHNOLOGY CO., LTDInventors: Haijia CHEN, Xiaohu GE, Xiaoyan WANG, Xuejia LI, Yanyan MA
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Patent number: 10439752Abstract: Optical switch control circuit for optical network protection. In an exemplary embodiment, an apparatus includes a latching optical switch that routes signals in an optical network. The apparatus also includes a switch control circuit coupled to the latching optical switch. The switch control circuit controls the latching optical switch to selectively operate in a latching mode or in a non-latching mode based on a received command and a network power state. A method is disclosed that includes receiving a command that indicates how optical signals are to be routed by a latching optical switch, and determining a resulting routing state based on a current routing state, the command, and a power state. The method also includes controlling the latching optical switch to operates in the resulting routing state such that the latching optical switch selectively operates in a latching mode or in a non-latching mode.Type: GrantFiled: January 19, 2018Date of Patent: October 8, 2019Assignee: OptiWorks (Kunshan) Co., Ltd.Inventors: Sichao Wang, Chenlei Shao, Sheng Zhou, Yuming Xu, Chen Zhang, Chuanxing Zhu, Yanyan Ma
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Publication number: 20190229832Abstract: Optical switch control circuit for optical network protection. In an exemplary embodiment, an apparatus includes a latching optical switch that routes signals in an optical network. The apparatus also includes a switch control circuit coupled to the latching optical switch. The switch control circuit controls the latching optical switch to selectively operate in a latching mode or in a non-latching mode based on a received command and a network power state. A method is disclosed that includes receiving a command that indicates how optical signals are to be routed by a latching optical switch, and determining a resulting routing state based on a current routing state, the command, and a power state. The method also includes controlling the latching optical switch to operates in the resulting routing state such that the latching optical switch selectively operates in a latching mode or in a non-latching mode.Type: ApplicationFiled: January 19, 2018Publication date: July 25, 2019Inventors: Sichao Wang, Chenlei Shao, Sheng Zhou, Yuming Xu, Chen Zhang, Chuanxing Zhu, Yanyan Ma
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Patent number: 7248767Abstract: The present invention relates to a surface interaction type multimode optical fiber coupler. A representative embodiment of the present invention comprises a plurality of optical fibers with at least one having an expanded core section. Sections of the optical fibers including at least a portion of the expanded core sections are fused together forming a fused section. At least one of the optical fibers is suitable for multimode operations. According to an embodiment of the present invention, a method of fabrication an optical fiber coupler comprises: providing a plurality of optical fibers with at least one having an expanded core section; and maintaining sections of the optical fibers including at least a portion of the expanded core sections in contact and simultaneously heating at least a portion of the sections that are in contact to form a fused section until a predetermined end condition is reached.Type: GrantFiled: March 12, 2005Date of Patent: July 24, 2007Assignee: OptiWorks, Inc.Inventors: Qinglin Wang, Yanyan Ma, Jianhua Wang, Lixuan Xu
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Patent number: 7200304Abstract: The present invention relates to a surface interaction type multimode optical fiber coupler. A representative embodiment of the present invention comprises a plurality of optical fibers with each having an expanded core section. The expanded core sections of the optical fibers are fused together forming a fused section. Each of the optical fibers is optically coupled with at least one other optical fiber primarily through surface interaction in the fused section. The optical fibers are suitable for multimode operations. According to an embodiment of the present invention, a method of fabrication an optical fiber coupler comprises: providing a plurality of optical fibers with each having an expanded core section; and maintaining at least a portion of the expanded core sections in contact and simultaneously heating at least a portion of the expanded core sections that are in contact to form a fused section until a predetermined end condition is reached.Type: GrantFiled: March 12, 2005Date of Patent: April 3, 2007Assignee: OptiWorks, Inc.Inventors: Qinglin Wang, Yanyan Ma, Jianhua Wang
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Patent number: 7018113Abstract: In at least some embodiments, an optical module package includes a housing, a plurality of optical fiber cables connected to the housing, and optical fiber connectors terminating each cable. Each optical fiber cable may include an optical fiber, two concentric flexible protective tubes enclosing the fiber, and aramid (e.g. Kevlar®) fibers disposed between the protective tubes. Each protective tube is capable of longitudinally sliding relative to the optical fiber along at least part of the cable, to release stresses resulting from differential thermal expansion of the optical fiber and the protective tubes. Each optical fiber may be held fixed relative to the housing and distal connectors, and one or both of the ends of the protective tubes may be free to move. The protective tubes may also be held fixed relative to the housing, and the optical fiber(s) allowed to move within the housing.Type: GrantFiled: November 18, 2003Date of Patent: March 28, 2006Assignee: OptiWorks, Inc.Inventors: Jianhua Wang, Qinglin Wang, Yanyan Ma, Hongtao Hou, Alex Chun-Lai Hsu
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Publication number: 20050244105Abstract: The present invention relates to a surface interaction type multimode optical fiber coupler. A representative embodiment of the present invention comprises a plurality of optical fibers with at least one having an expanded core section. Sections of the optical fibers including at least a portion of the expanded core sections are fused together forming a fused section. At least one of the optical fibers is suitable for multimode operations. According to an embodiment of the present invention, a method of fabrication an optical fiber coupler comprises: providing a plurality of optical fibers with at least one having an expanded core section; and maintaining sections of the optical fibers including at least a portion of the expanded core sections in contact and simultaneously heating at least a portion of the sections that are in contact to form a fused section until a predetermined end condition is reached.Type: ApplicationFiled: March 12, 2005Publication date: November 3, 2005Inventors: Qinglin Wang, Yanyan Ma, Jianhua Wang, Lixuan Xu
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Publication number: 20050201676Abstract: The present invention relates to a surface interaction type multimode fused optical fiber coupler. A representative embodiment of the present invention comprises a plurality of optical fibers and an over-fused fused section formed by fusing a section from each of the optical fibers together. At least one of the optical fibers is suitable for multimode operations. The average cross-sectional area of the fused section is at least substantially seventy percent of the sum of the cross-sectional areas of all the optical fibers. A method of fabricating an optical fiber coupler according to an example embodiment of the present invention comprises maintaining a section of each of the optical fibers in contact with at least a section of one other optical fiber and simultaneously heating at least a portion of the sections that are in contact to form a fused section until a predetermined end condition is reached.Type: ApplicationFiled: March 12, 2005Publication date: September 15, 2005Inventors: Qinglin Wang, Yanyan Ma, Jianhua Wang
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Publication number: 20050201687Abstract: The present invention relates to a surface interaction type multimode optical fiber coupler. A representative embodiment of the present invention comprises a plurality of optical fibers with each having an expanded core section. The expanded core sections of the optical fibers are fused together forming a fused section. Each of the optical fibers is optically coupled with at least one other optical fiber primarily through surface interaction in the fused section. The optical fibers are suitable for multimode operations. According to an embodiment of the present invention, a method of fabrication an optical fiber coupler comprises: providing a plurality of optical fibers with each having an expanded core section; and maintaining at least a portion of the expanded core sections in contact and simultaneously heating at least a portion of the expanded core sections that are in contact to form a fused section until a predetermined end condition is reached.Type: ApplicationFiled: March 12, 2005Publication date: September 15, 2005Inventors: Qinglin Wang, Yanyan Ma, Jianhua Wang
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Publication number: 20050201677Abstract: The present invention relates to a surface interaction type multimode fused optical fiber coupler. A representative embodiment of the present invention comprises a plurality of optical fibers with a section of each of the optical fibers fused together forming a fused section. At least one of the optical fibers is suitable for multimode operations. At least one of the optical fibers comprises a thermally expanded core section. At least a portion of the thermally expanded core section is in the fused section. An example method of fabricating an optical fiber coupler comprises maintaining a section of each of the optical fibers in contact with at least a section of one other optical fiber and simultaneously heating at least a portion of the sections that are in contact to thermally expand the core of at least one of the optical fibers and to form a fused section.Type: ApplicationFiled: March 12, 2005Publication date: September 15, 2005Inventors: Qinglin Wang, Yanyan Ma, Jianhua Wang
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Patent number: D901390Type: GrantFiled: March 16, 2015Date of Patent: November 10, 2020Assignee: OptiWorks, Inc.Inventors: Yanyan Ma, Tao Han, Chuanxing Zhu
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Patent number: D1005965Type: GrantFiled: November 9, 2020Date of Patent: November 28, 2023Assignee: OptiWorks, Inc.Inventors: Yanyan Ma, Tao Han, Chuanxing Zhu