Patents by Inventor Jianxin Cao
Jianxin Cao 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: 20240108656Abstract: The present disclosure provides, among other things, a method for efficiently producing a cell population enriched in Natural Killer cells (NK cells) from induced pluripotent cells.Type: ApplicationFiled: December 14, 2023Publication date: April 4, 2024Inventors: Lan Cao, Hui-Hsin Chang, Jianxin Hu, Yu Qian, Xi Shi
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Publication number: 20230350341Abstract: The present disclosure provides a process cartridge. The process cartridge includes a cartridge body; a photosensitive drum, rotatably disposed at the cartridge body; a developing roller, rotatably disposed at the cartridge body; a force receiving unit, where the force receiving unit is disposed at an end of the cartridge body and configured to be engaged with a driving unit of an electronic image-forming apparatus to receive a driving force outputted by the driving unit; and a pressing part, where the pressing part is fixedly disposed at the cartridge body and at a same end of the cartridge body as the force receiving unit, and configured to press the driving unit to make the driving unit to be coaxially-aligned; and a distance between the pressing part and an axis of the photosensitive drum is unchanged in displacement during an engagement process of the force receiving unit and the driving unit.Type: ApplicationFiled: May 12, 2023Publication date: November 2, 2023Inventors: Qin LUO, Likun ZENG, Geming DING, Jianxin CAO, Shuchun DAI, Zhizheng JIA, Lianjun WU, Wenjun YU, Weichen LIU, Qijie LIANG, Hailong MA, Weizhi ZHANG, Qingfei PENG
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Publication number: 20230014845Abstract: The present disclosure provides a packaging part, a packaging assembly and a chip read write method using the packaging part. The packaging part includes a hollow accommodation part, where a size and a shape of the hollow accommodation part is suitable for accommodating a part to-be-packaged; and the part to-be-packaged includes a data storage part; and an operable part, where the data storage part and/or the part to-be-packaged in the hollow accommodation is capable of being operated from an outside of the packaging part through the operable part.Type: ApplicationFiled: September 13, 2022Publication date: January 19, 2023Inventors: Xiaoqin WU, Qingfeng CUI, Genhong CHEN, Xinghuo XIANG, Jianxin CAO, Weichen LIU, Chengpai FENG
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Publication number: 20220315635Abstract: The present invention relates to a field of biotechnology. It discloses a novel amino acid sequence of recombinant human bone morphogenetic protein-2 (rhBMP-2) and encoded nucleotide sequences thereof, and a method for preparing rhBMP-2. In the present invention, by further optimizing the nucleotide sequence of rhBMP-2, novel amino acid sequence of rhBMP-2 that can express good ectopic induced osteogenic activity and has good renaturation and purification effect is screened out. The engineered bacteria constructed by the present invention can induce the production of recombinant rhBMP-2 protein with an expression level of about 55%, and the produced target protein is more easily denatured and purified than the existing recombinant rhBMP-2, with better denaturation and purification effect and higher osteoinductive activity.Type: ApplicationFiled: April 10, 2022Publication date: October 6, 2022Inventor: Jianxin CAO
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Publication number: 20200031896Abstract: The present invention relates to a field of biotechnology. It discloses a novel amino acid sequence of recombinant human bone morphogenetic protein-2 (rhBMP-2) and encoded nucleotide sequences thereof, and a method for preparing rhBMP-2. In the present invention, by further optimizing the nucleotide sequence of rhBMP-2, novel amino acid sequence of rhBMP-2 that can express good ectopic induced osteogenic activity and has good renaturation and purification effect is screened out. The engineered bacteria constructed by the present invention can induce the production of recombinant rhBMP-2 protein with an expression level of about 55%, and the produced target protein is more easily denatured and purified than the existing recombinant rhBMP-2, with better denaturation and purification effect and higher osteoinductive activity.Type: ApplicationFiled: July 22, 2019Publication date: January 30, 2020Inventor: Jianxin CAO
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Publication number: 20190113880Abstract: The invention relates to a process cartridge, which comprises a process cartridge housing, a photosensitive member, a driving force receiving opening, a retractable mechanism and a control mechanism, wherein the photosensitive member is arranged inside the process cartridge housing; the driving force receiving opening is connected with the photosensitive member and provides a driving force for the photosensitive member; the retractable mechanism allows the driving force receiving opening to extend or retract in the axial direction of the photosensitive member; and the control mechanism controls the extension and retraction of the retractable mechanism.Type: ApplicationFiled: July 25, 2018Publication date: April 18, 2019Applicant: Static Control Components, Inc.Inventors: Weidong Gu, Geming DING, Yonghong LI, Zhiyong LI, Jianxin CAO, Xiong LI, Xiaobing LIU
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Patent number: 10203656Abstract: A processing cartridge detachably mounted to an electronic imaging device is provided. The processing cartridge comprises a first housing, and a power receiving component configured to receive a driving force from a driving component of the electronic imaging device. The processing cartridge has a first position and a second position in the imaging device, and the processing cartridge is able to move in a longitudinal direction of the processing cartridge between the first position and the second position. When the processing cartridge is in the first position, the power receiving component disengages with the driving component, and the power receiving component is unable to receive the driving force from the driving component, and when the processing cartridge is in the second position, the power receiving component moves in an opposite direction and the power receiving component is able to receive the driving force from the driving component.Type: GrantFiled: November 3, 2017Date of Patent: February 12, 2019Assignee: NINESTAR CORPORATIONInventors: Xueyu Rong, Jianxin Cao, Wanhong Huang, Jinlian Liu
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Publication number: 20180113417Abstract: A processing cartridge detachably mounted to an electronic imaging device is provided. The processing cartridge comprises a first housing, and a power receiving component configured to receive a driving force from a driving component of the electronic imaging device. The processing cartridge has a first position and a second position in the imaging device, and the processing cartridge is able to move in a longitudinal direction of the processing cartridge between the first position and the second position. When the processing cartridge is in the first position, the power receiving component disengages with the driving component, and the power receiving component is unable to receive the driving force from the driving component, and when the processing cartridge is in the second position, the power receiving component moves in an opposite direction and the power receiving component is able to receive the driving force from the driving component.Type: ApplicationFiled: November 3, 2017Publication date: April 26, 2018Inventors: Xueyu RONG, Jianxin CAO, Wanhong HUANG, Jinlian LIU
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Patent number: 9846409Abstract: A driving assembly is provided for a processing cartridge capable of being detachably installed in an electronic imaging device. The driving assembly includes a power receiving unit and a power transfer unit. The power receiving unit is configured for receiving a rotational driving force from a driving mechanism of the electronic imaging device; and the power transfer unit is coupled to the power receiving unit for receiving the rotational driving force from the power receiving unit. The power receiving unit remains constantly inclined with respect to a rotation axis of the power transfer unit, and has an initial position and a displaced position; the power receiving unit moves from the initial position to the displaced position when an external force is applied; and the receiving unit returns to the initial position from the displaced position when the external force is withdrawn.Type: GrantFiled: November 3, 2016Date of Patent: December 19, 2017Assignee: APEX TECHNOLOGY CO., LTD.Inventors: Jianxin Cao, Haidong Hua, Qijie Liang
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Patent number: 9785110Abstract: The present invention provides a developing cartridge, including a chip and conductive connecting pieces, provided on the developing cartridge, a cover of a printer is provided with chip contact heads, where one end of each of the conductive connecting pieces is connected to a chip terminal, and when the developing cartridge is inserted into the printer and the cover is closed, the other end of the conductive connecting piece contact with side surface of the chip contact head on the cover and squeezes the developing cartridge, preventing the developing cartridge from vibrating up and down during use.Type: GrantFiled: June 14, 2016Date of Patent: October 10, 2017Assignee: NINESTAR CORPORATIONInventors: Shengyu Wei, Jianxin Cao, Lai Luo, Huashen Lin, Zhongli Yin, Wanhong Huang, Chao Wang, Peng Wang
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Patent number: 9740163Abstract: The present invention relates to a rotational force driving assembly and a process cartridge used for being engaged with a rotational force driving head inside an electrophotographic image forming device. The rotational force driving assembly can comprise a hub, a rotational force receiving component, a side plate, and an axis offset adjusting mechanism. When the axis offset adjusting mechanism is not subjected to external force, the axis offset adjusting mechanism enables the axis of the rotational force receiving component to be parallel and offset to the axis of the hub. When the axis offset adjusting mechanism is subjected to external force, the rotational force receiving component extends out to be engaged with the rotational force driving head.Type: GrantFiled: February 4, 2016Date of Patent: August 22, 2017Assignee: NINESTAR CORPORATIONInventors: Hongbiao Xiao, Jinlian Liu, Chao Wang, Hui Cao, De Chien, Jianxin Cao, Miaoling Yang, Likun Zeng, Geming Ding, Qin Luo, Wenyi Ding, Shuchun Dai, Hailong Ma
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Patent number: 9671742Abstract: The invention relates to a process cartridge, which comprises a process cartridge housing, a photosensitive member, a driving force receiving opening, a retractable mechanism and a control mechanism, wherein the photosensitive member is arranged inside the process cartridge housing; the driving force receiving opening is connected with the photosensitive member and provides a driving force for the photosensitive member; the retractable mechanism allows the driving force receiving opening to extend or retract in the axial direction of the photosensitive member; and the control mechanism controls the extension and retraction of the retractable mechanism.Type: GrantFiled: March 8, 2016Date of Patent: June 6, 2017Assignee: ZHUHAI SEINE TECHNOLOGY CO., LTD.Inventors: Weidong Gu, Geming Ding, Yonghong Li, Zhiyong Li, Jianxin Cao, Xiong Li, Xiaobing Liu
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Publication number: 20170097609Abstract: The invention relates to a process cartridge, which comprises a process cartridge housing, a photosensitive member, a driving force receiving opening, a retractable mechanism and a control mechanism, wherein the photosensitive member is arranged inside the process cartridge housing; the driving force receiving opening is connected with the photosensitive member and provides a driving force for the photosensitive member; the retractable mechanism allows the driving force receiving opening to extend or retract in the axial direction of the photosensitive member; and the control mechanism controls the extension and retraction of the retractable mechanism.Type: ApplicationFiled: December 14, 2016Publication date: April 6, 2017Inventors: WEIDONG GU, Geming DING, Yonghong LI, Zhiyong LI, Jianxin CAO, Xiong LI, Xiaobing LIU
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Patent number: 9599949Abstract: The invention relates to a process cartridge, which comprises a process cartridge housing, a photosensitive member, a driving force receiving opening, a retractable mechanism and a control mechanism, wherein the photosensitive member is arranged inside the process cartridge housing; the driving force receiving opening is connected with the photosensitive member and provides a driving force for the photosensitive member; the retractable mechanism allows the driving force receiving opening to extend or retract in the axial direction of the photosensitive member; and the control mechanism controls the extension and retraction of the retractable mechanism.Type: GrantFiled: September 2, 2016Date of Patent: March 21, 2017Assignee: ZHUHAI SEINE TECHNOLOGY CO., LTDInventors: Weidong Gu, Geming Ding, Yonghong Li, Zhiyong Li, Jianxin Cao, Xiong Li, Xiaobing Liu
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Publication number: 20170075300Abstract: A driving assembly is provided for a processing cartridge capable of being detachably installed in an electronic imaging device. The driving assembly includes a power receiving unit and a power transfer unit. The power receiving unit is configured for receiving a rotational driving force from a driving mechanism of the electronic imaging device; and the power transfer unit is coupled to the power receiving unit for receiving the rotational driving force from the power receiving unit. The power receiving unit remains constantly inclined with respect to a rotation axis of the power transfer unit, and has an initial position and a displaced position; the power receiving unit moves from the initial position to the displaced position when an external force is applied; and the receiving unit returns to the initial position from the displaced position when the external force is withdrawn.Type: ApplicationFiled: November 3, 2016Publication date: March 16, 2017Inventors: JIANXIN CAO, HAIDONG HUA, QIJIE LIANG
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Publication number: 20160370751Abstract: The invention relates to a process cartridge, which comprises a process cartridge housing, a photosensitive member, a driving force receiving opening, a retractable mechanism and a control mechanism, wherein the photosensitive member is arranged inside the process cartridge housing; the driving force receiving opening is connected with the photosensitive member and provides a driving force for the photosensitive member; the retractable mechanism allows the driving force receiving opening to extend or retract in the axial direction of the photosensitive member; and the control mechanism controls the extension and retraction of the retractable mechanism.Type: ApplicationFiled: September 2, 2016Publication date: December 22, 2016Inventors: Weidong GU, Geming Ding, Yonghong LI, Zhiyong LI, Jianxin CAO, Xiong LI, Xiaobing LIU
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Publication number: 20160349697Abstract: The present invention provides a developing cartridge, including a chip and conductive connecting pieces, provided on the developing cartridge, a cover of a printer is provided with chip contact heads, where one end of each of the conductive connecting pieces is connected to a chip terminal, and when the developing cartridge is inserted into the printer and the cover is closed, the other end of the conductive connecting piece contact with side surface of the chip contact head on the cover and squeezes the developing cartridge, preventing the developing cartridge from vibrating up and down during use.Type: ApplicationFiled: June 14, 2016Publication date: December 1, 2016Inventors: SHENGYU WEI, JIANXIN CAO, LAI LUO, HUASHEN LIN, ZHONGLI YIN, WANHONG HUANG, CHAO WANG, PENG WANG
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Patent number: 9488958Abstract: The invention relates to a process cartridge, which comprises a process cartridge housing, a photosensitive member, a driving force receiving opening, a retractable mechanism and a control mechanism, wherein the photosensitive member is arranged inside the process cartridge housing; the driving force receiving opening is connected with the photosensitive member and provides a driving force for the photosensitive member; the retractable mechanism allows the driving force receiving opening to extend or retract in the axial direction of the photosensitive member; and the control mechanism controls the extension and retraction of the retractable mechanism.Type: GrantFiled: March 10, 2015Date of Patent: November 8, 2016Assignee: ZHUHAI SEINE TECHNOLOGY CO., LTD.Inventors: Weidong Gu, Geming Ding, Yonghong Li, Zhiyong Li, Jianxin Cao, Xiong Li, Xiaobing Liu
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Patent number: 9415618Abstract: Disclosed is a ribbon cassette for a label printing device, comprising a ribbon cassette case that contains a printing tape (18), a medium tape (17), and a carrier tape (20). The label printing device is provided with a determining region (5) for determining feature information of the ribbon cassette, the determining region is provided with a plurality of determining columns (XY) with planar distribution. The ribbon cassette further comprises a detecting portion (10) corresponding to the determining region, the detecting portion is detecting column(s) (11) corresponding to the determining columns. The number, position, or a combination of the number and the position of the detecting column characterizes the feature of the ribbon cassette.Type: GrantFiled: August 20, 2015Date of Patent: August 16, 2016Assignee: ZHUHAI NINESTAR MANAGEMENT CO., LTD.Inventors: Jianxin Cao, Shengyu Wei
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Patent number: RE46596Abstract: The invention provides a developer cartridge with a counting mechanism. The developer cartridge comprises a developer and the counting mechanism, wherein the counting mechanism is provided with protrusions which come in contact with a contact lever on an electronic photographing device so as to count the developer cartridge; and each protrusion has a first position and a second position in the direction perpendicular to a side wall of the developer cartridge, and is, in the first position, in contact with the contact lever, but is not, in the second position, in contact with the contact lever. The working principle of the developer cartridge adopting the counting mechanism is greatly different from the prior art. Therefore, the structure of the counting mechanism of the developer cartridge is simpler and more convenient and reliable; the production precision and the production cost are reduced; and the market competitiveness of the developer cartridge is improved.Type: GrantFiled: May 10, 2016Date of Patent: October 31, 2017Assignee: NINESTAR CORPORATIONInventors: Qingfei Peng, Jianxin Cao