Patents by Inventor Zhen Feng
Zhen Feng 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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Publication number: 20240394092Abstract: Provided in the present disclosure are a memory and apparatus for managing a memory snapshot, a device, and a medium. The method includes: when a memory snapshot generation command is acquired, a virtual machine is suspended; a two-level page table of the virtual machine is copied to obtain a first snapshot page table, and a read-only identifier is set for each of page table entries of the two-level page table; and memory pages corresponding to page table entries of the first snapshot page table are acquired by means of the page table entries of the first snapshot page table, a reference count of each of the memory pages is increased, and the virtual machine is restored from a suspended state to a running state.Type: ApplicationFiled: November 30, 2022Publication date: November 28, 2024Applicant: SUZHOU METABRAIN INTELLIGENT TECHNOLOGY CO., LTD.Inventors: Liang WANG, Shengli ZHOU, Zhen FENG
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Publication number: 20240257875Abstract: A method used in forming integrated circuitry comprises forming a stack comprising vertically-alternating first tiers and second tiers of different compositions relative one another. The stack extends from individual die areas to and across scribe-line area that is between immediately-adjacent of the individual die areas. A registration mark is formed in the scribe-line area. The registration mark comprises parallel first bars atop the stack having first spaces therebetween. A masking material is directly above the stack, the first bars, and the first spaces. The masking material comprises parallel second bars having second spaces therebetween. The second spaces individually have width that is less than width of individual of the second bars. Some of the masking material is spaced laterally-outward of the second bars.Type: ApplicationFiled: January 23, 2024Publication date: August 1, 2024Applicant: Micron Technology, Inc.Inventors: Richard T. Housley, Quinn L. Roberts, Shruthi Kumara Vadivel, Harsh Narendrakumar Jain, Tien Minh Quan Tran, Zhen Feng Yow, Wei Deng Leong, Kah Sing Chooi, Nils Monserud
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Patent number: 12011189Abstract: A fluid flow metal sleeve includes a sleeve main body and an elongation portion, which are of a hollow structure as a whole. The sleeve main body is connected to the elongation portion in a threaded manner, and a terminal end of the sleeve main body is connected to an ultrasound scalpel handle and enables an ultrasound scalpel to pass therethrough. The fluid flow metal sleeve can control the direction of fluid flow during incision with the ultrasound scalpel so as to achieve the lubricating and cooling effects on a scalpel head. In addition, due to the use of a metal structure, a user can extend an original holding part from an outer portion of the ultrasound scalpel handle to an outer wall of the metal sleeve as required. The fluid flow metal sleeve also has an adjustable telescopic function so as to be adapted to different application scenarios, and limits the length of extension of the scalpel head so as to limit the depth during incision to improve the safety of surgery.Type: GrantFiled: July 8, 2019Date of Patent: June 18, 2024Assignee: BEIJING SMTP TECHNOLOGY CO., LTD.Inventors: Qun Cao, Zhen Feng
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Patent number: 11925379Abstract: A torque wrench for an ultrasonic scalpel, the torque wrench comprising a torque wrench body and a wrench rotor. The torque wrench body comprises a circular-hole-shaped torque hole, with a torque clamping catch being provided in the torque hole, and the wrench rotor being disposed in the torque hole. The wrench rotor comprises a scalpel head clamping hole, a rotor clamping catch located outside the wrench rotor, and a scalpel head clamping slot located inside the scalpel head clamping hole, wherein a wrench part, which is disposed on a scalpel head of the ultrasonic scalpel that is fitted with the torque wrench of the ultrasonic scalpel, is clamped into the scalpel head clamping slot via the scalpel head clamping hole, the rotor clamping catch is fitted with the torque clamping catch.Type: GrantFiled: July 8, 2019Date of Patent: March 12, 2024Assignee: BEIJING SMTP TECHNOLOGY CO., LTD.Inventors: Qun Cao, Zhen Feng, Songtao Zhan
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Patent number: 11789615Abstract: A nonvolatile memory scheduling method, system and device, and a computer-readable storage medium. The method includes: obtaining a utilization rate of a current memory space (S101); when the utilization rate is less than a first threshold, determining a first space to be converted of the memory space, converting the first space into a high-speed storage space, and storing data in a conventional storage device into the high-speed storage space (S102); and when the utilization rate is greater than a second threshold, determining a second space to be converted of the high-speed storage space, storing data stored in the second space into the conventional storage device, and converting the second space into the memory space (S103).Type: GrantFiled: February 19, 2021Date of Patent: October 17, 2023Assignee: INSPUR ELECTRONIC INFORMATION INDUSTRY CO., LTD.Inventors: Zhen Feng, Dong Zhang, Bingheng Yan
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Patent number: 11778901Abstract: The present invention relates to an organic electroluminescent material and organic electroluminescent device thereof. The organic electroluminescent material has the structural formula as shown in formula 1. Compared with a monoamine structure containing an adamantyl group, the diamine structure disclosed in the present invention has higher HOMO energy level and hole mobility, and can exhibit higher efficiency and service life than a monoamine material device. The organic electroluminescent device comprising the organic electroluminescent material has lower driving voltage, and higher luminous efficiency and service life.Type: GrantFiled: April 11, 2022Date of Patent: October 3, 2023Assignee: SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO., LTD.Inventors: Tiantian Ma, Qiqi Nie, Zhen Feng, Hongyan Li, Xunshan Sha, Zhanyi Sun, Yalong Wang
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Publication number: 20230195315Abstract: A nonvolatile memory scheduling method, system and device, and a readable storage medium. The method includes: obtaining a utilization rate of a current memory space (S101); when the utilization rate is less than a first threshold, determining a first space to be converted of the memory space, converting the first space into a high-speed storage space, and storing data in a conventional storage device into the high-speed storage space (S102); and when the utilization rate is greater than a second threshold, determining a second space to be converted of the high-speed storage space, storing data stored in the second space into the conventional storage device, and converting the second space into the memory space (S103).Type: ApplicationFiled: February 19, 2021Publication date: June 22, 2023Inventors: Zhen FENG, Dong ZHANG, Bingheng YAN
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Publication number: 20230063178Abstract: A microelectronic device includes a stack structure including a vertically alternating sequence of conductive structures and insulating structures arranged in tiers, a dielectric-filled opening vertically extending into the stack structure and defined between two internal sidewalls of the stack structure, a stadium structure within the stack structure and comprising steps defined by horizontal ends of at least some of the tiers, a first ledge extending upward from a first uppermost step of the steps of the stadium structure and interfacing with a first internal sidewall of the two internal sidewalls of the stack structure, and a second ledge extending upward from a second, opposite uppermost step of the steps of the stadium structure and interfacing with a second, opposite internal sidewall of the two internal sidewalls.Type: ApplicationFiled: December 29, 2021Publication date: March 2, 2023Inventors: Bo Zhao, Matthew J. King, Jason Reece, Michael J. Gossman, Shruthi Kumara Vadivel, Martin J. Barclay, Lifang Xu, Joel D. Peterson, Matthew Park, Adam L. Olson, David A. Kewley, Xiaosong Zhang, Justin B. Dorhout, Zhen Feng Yow, Kah Sing Chooi, Tien Minh Quan Tran, Biow Hiem Ong
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Patent number: 11583895Abstract: Disclosed is a connection device for piezoceramics of an ultrasonic transducer, comprising a nut (1), an ultrasonic transducer (5) having a screw structure and to be used with the nut (1), and a plurality of piezoceramics (3) and a plurality of metal sheets (4) fitted on an outer circumference of the screw of the ultrasonic transducer (5) and arranged at intervals. The connection device for the piezoceramics of the ultrasonic transducer further comprises a washer (2) located between the nut (1) and the piezoceramics (3), and the washer (2) is provided with a through hole through which the screw passes. The connection device has high connecting precision, strong working stability, and high working reliability.Type: GrantFiled: December 13, 2018Date of Patent: February 21, 2023Assignee: JIANGSU SMTP TECHNOLOGY CO., LTD.Inventors: Zhen Feng, Qun Cao
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Publication number: 20220391121Abstract: A virtual disk migration method, apparatus and device, and a readable storage medium. Said method comprises: when a data change occurs in a cluster, updating the label of the cluster in a binary table to a first target value (S101); copying data in the cluster to a second data center, and updating the first target value to a second target value (S102); and upon reception of an instruction for migrating a virtual machine to the second data center (S103), controlling the virtual machine to stop operating, querying the first target value in the binary table, and migrating data in the cluster corresponding to the queried first target value to the second data center (S104). A part of data is copied to a second data center in advance on the basis of a binary table, and when a virtual machine is migrated, only the other part of data needs to be migrated, thereby reducing the data migration amount and migration time, and improving the migration efficiency of a virtual disk and a virtual machine.Type: ApplicationFiled: November 28, 2019Publication date: December 8, 2022Inventors: Zhen Feng, Bingheng Yan, Lixiang Wang, Feng Yang
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Patent number: 11424412Abstract: The present invention related to an organic electroluminescent material and organic electroluminescent device thereof. The organic electroluminescent material has the structural formula as shown in formula 1. Compared with a monoamine structure containing an adamantyl group, the diamine structure disclosed in the present invention has higher HOMO energy level and hole mobility, and can exhibit higher efficiency and service life than a monoamine material device. The organic electroluminescent device comprising the organic electroluminescent material has lower driving voltage, and higher luminous efficiency and service life.Type: GrantFiled: May 18, 2020Date of Patent: August 23, 2022Assignee: SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO., LTD.Inventors: Tiantian Ma, Qiqi Nie, Zhen Feng, Hongyan Li, Xunshan Sha, Zhanyi Sun, Yalong Wang
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Publication number: 20220255004Abstract: The present invention relates to an organic electroluminescent material and organic electroluminescent device thereof. The organic electroluminescent material has the structural formula as shown in formula 1. Compared with a monoamine structure containing an adamantyl group, the diamine structure disclosed in the present invention has higher HOMO energy level and hole mobility, and can exhibit higher efficiency and service life than a monoamine material device. The organic electroluminescent device comprising the organic electroluminescent material has lower driving voltage, and higher luminous efficiency and service life.Type: ApplicationFiled: April 11, 2022Publication date: August 11, 2022Inventors: Tiantian MA, Qiqi NIE, Zhen FENG, Hongyan LI, Xunshan SHA, Zhanyi SUN, Yalong WANG
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Publication number: 20220149278Abstract: The present invention related to an organic electroluminescent material and organic electroluminescent device thereof. The organic electroluminescent material has the structural formula as shown in formula 1. Compared with a monoamine structure containing an adamantyl group, the diamine structure disclosed in the present invention has higher HOMO energy level and hole mobility, and can exhibit higher efficiency and service life than a monoamine material device. The organic electroluminescent device comprising the organic electroluminescent material has lower driving voltage, and higher luminous efficiency and service life.Type: ApplicationFiled: May 18, 2020Publication date: May 12, 2022Inventors: Tiantian MA, Qiqi NIE, Zhen FENG, Hongyan LI, Xunshan SHA, Zhanyi SUN, Yalong WANG
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Patent number: 11217917Abstract: An electrical connector assembly includes a first connector. The first connector has a main body. The main body has a first end wall and a second end wall opposite to each other. Multiple first terminals are provided on the main body. The first connector is used to be mated with a circuit board. The circuit board has multiple first conductive portions, multiple second conductive portions and multiple first wires electrically connecting the first conductive portions and the second conductive portions correspondingly. The second conductive portion is correspondingly electrically connected to the first terminal. The first end wall is located closer to the first conductive portion relative to the second end wall. A top surface of the first end wall is lower than a corresponding first conductive portion adjacent to the first end wall.Type: GrantFiled: September 15, 2020Date of Patent: January 4, 2022Assignee: LOTES CO., LTDInventors: Ren Fei Yang, Zhen Feng Lyu
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Patent number: 11207084Abstract: Disclosed is a tool bit for an ultrasonic osteotome, comprising a cutting portion (1) located at a front end of the tool bit for an ultrasonic osteotome, a connecting portion (2) located at a rear end of the tool bit for an ultrasonic osteotome and connected with the cutting portion (1). The cutting portion (1) has a grinding part (3) for grinding and a blade part (4) for cutting at a front end thereof, and the grinding part (3) and the blade (4) are integrally formed. The tool bit for an ultrasonic osteotome is of an integral structure formed by grinding part (3) and blade (4). During an operation, a medical worker can use the tool bit for an ultrasonic osteotome for multiple uses with no need to replace the tool bit frequently, thus reducing the operation time, greatly improving the efficiency of surgery, reducing the risk of surgery and the sufferings of a patient. At the same time, the integration of two different types of tool bits can also lower production costs and save manpower and material resources.Type: GrantFiled: October 25, 2018Date of Patent: December 28, 2021Assignee: BEIJING SMTP TECHNOLOGY CO., LTD.Inventors: Zhen Feng, Qun Cao
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Publication number: 20210387902Abstract: A method for making a beam splitter with photocatalytic coating is disclosed. First, a TiO2—SiO2 sol, a SiO2 sol, and an anatase TiO2 preform sol are prepared. A glass substrate having two opposite surfaces is provided. The two opposite surfaces of the glass substrate is coated with the TiO2—SiO2 sol, the SiO2 sol, and the anatase TiO2 preform sol by dip-coating, thereby forming a coated glass substrate with a multi-layer optical coating on each of the two opposite surfaces. The multi-layer optical coating comprises a TiO2—SiO2 coating, a SiO2 coating, and an anatase TiO2 preform coating. The coated glass substrate is subjected to an anneal process. The coated glass substrate is cut, thereby forming the beam splitter with photocatalytic coating.Type: ApplicationFiled: June 11, 2020Publication date: December 16, 2021Inventors: Wen-Liang Huang, Wei-Hong Wang, Zhen-Feng Wang, Wei-Houng Chen, Pei-Feng Sheu
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Publication number: 20210373318Abstract: An ocular optical system includes a first lens element and a second lens element from an eye-side to a display-side in order along an optical axis. The first lens element and the second lens element each include an eye-side surface and a display-side surface. The display-side surface of the second lens element has a concave portion in a vicinity of a periphery thereof. The ocular optical system satisfies 2.000?G2D/T1 and ER/G12?20.000, wherein G2D is a distance from the second lens element to the display screen along the optical axis, T1 is a thickness of the first lens element along the optical axis, ER is a distance from a pupil of the eye of the observer to the first lens element along the optical axis, and G12 is an air gap from the first lens element to the second lens element along the optical axis.Type: ApplicationFiled: June 15, 2021Publication date: December 2, 2021Applicant: GENIUS ELECTRONIC OPTICAL CO., LTD.Inventors: Jia-Sin Jhang, Baina Chen, Zhen-Feng Xie
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Publication number: 20210359436Abstract: An electrical connector assembly includes a first connector. The first connector has a main body. The main body has a first end wall and a second end wall opposite to each other. Multiple first terminals are provided on the main body. The first connector is used to be mated with a circuit board. The circuit board has multiple first conductive portions, multiple second conductive portions and multiple first wires electrically connecting the first conductive portions and the second conductive portions correspondingly. The second conductive portion is correspondingly electrically connected to the first terminal. The first end wall is located closer to the first conductive portion relative to the second end wall. A top surface of the first end wall is lower than a corresponding first conductive portion adjacent to the first end wall.Type: ApplicationFiled: September 15, 2020Publication date: November 18, 2021Inventors: Ren Fei Yang, Zhen Feng Lyu
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Publication number: 20210307778Abstract: A fluid flow metal sleeve includes a sleeve main body and an elongation portion, which are of a hollow structure as a whole. The sleeve main body is connected to the elongation portion in a threaded manner, and a terminal end of the sleeve main body is connected to an ultrasound scalpel handle and enables an ultrasound scalpel to pass therethrough. The fluid flow metal sleeve can control the direction of fluid flow during incision with the ultrasound scalpel so as to achieve the lubricating and cooling effects on a scalpel head. In addition, due to the use of a metal structure, a user can extend an original holding part from an outer portion of the ultrasound scalpel handle to an outer wall of the metal sleeve as required. The fluid flow metal sleeve also has an adjustable telescopic function so as to be adapted to different application scenarios, and limits the length of extension of the scalpel head so as to limit the depth during incision to improve the safety of surgery.Type: ApplicationFiled: July 8, 2019Publication date: October 7, 2021Applicant: BEIJING SMTP TECHNOLOGY CO., LTD.Inventors: Qun Cao, Zhen Feng
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Patent number: D1045304Type: GrantFiled: August 17, 2022Date of Patent: October 1, 2024Assignee: Ningbo Borine Electric Appliance Co., Ltd.Inventors: Anjun Ye, Zhen Feng, Minjie Huang