Patents by Inventor Fred Chen
Fred Chen 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: 20240374391Abstract: An acetabular shell insertion tool with an anti-rotation feature is provided. The insertion tool attaches to an acetabular shell including a center hole having an internal threading and an anti-rotation recess disposed around the center hole and having a predetermined shape. The insertion tool includes an outer shaft and an inner shaft disposed within the outer shaft. The outer shaft has an anti-rotation projection shaped to be received in the anti-rotation recess of the acetabular shell so as to prevent rotation of the outer shaft relative to the acetabular shell, thereby preventing the insertion tool from disengaging from the shell. The inner shaft has a threaded tip adapted to be threaded into the internal threading of the center hole to lock the insertion tool to the acetabular shell.Type: ApplicationFiled: July 22, 2024Publication date: November 14, 2024Inventors: David Stumpo, Fred Matthis, Kenny Chen, John M. Loiacono, Pasquale Petrera, David Morawski
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Publication number: 20240366388Abstract: An acetabular implant for hip arthroplasty includes an acetabular shell to be attached to an acetabulum. The acetabular shell includes an inner surface defining a shell cavity and having a tapered shell section. The acetabular shell includes a tool interlocking structure that mates with a shell insertion tool to inhibit rotation relative to the shell insertion tool. The acetabular shell includes a snap-fit receiver. An acetabular liner is sized and shaped to be disposed in the shell cavity of the acetabular shell. The acetabular liner including an outer surface having a tapered liner section corresponding to the taper of the tapered shell section and engages the tapered shell section to inhibit movement of the acetabular liner relative to the acetabular shell. The acetabular liner includes a snap-fit retainer received by the snap-fit receiver of the acetabular shell to form a snap-fit connection between the acetabular liner and the acetabular shell.Type: ApplicationFiled: July 19, 2024Publication date: November 7, 2024Inventors: David Stumpo, Fred Matthis, Kenny Chen, John M. Loiacono, Pasquale Petrera, David Morawski
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Publication number: 20240362100Abstract: A computer program product, a method and a baseboard management controller for performing the operations of computer program product or method. The operations include identifying a current utilization level of the processor of the baseboard management controller, obtaining hardware performance data for hardware devices installed in a server that includes the baseboard management controller, running an application program that performs hardware failure prediction, and controlling an amount of the hardware performance data that is used by the application program to perform the hardware failure prediction, wherein the amount of the hardware performance data is controlled as a function of the current utilization level of the processor.Type: ApplicationFiled: October 16, 2023Publication date: October 31, 2024Inventors: Caihong Zhang, Ming Lei, Fred Allison Bower, III, Jiang Chen
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Publication number: 20240347985Abstract: Disclosed is a power plug capable of indicating the current size, which can indicate the current size through an LED lamp. It is easy to understand the power plug connected to the real-time current size of the electrical equipment will improve the safety of electricity. A current display unit is set on the power socket itself. The current display unit is connected with a live wire plug and a zero wire plug respectively.Type: ApplicationFiled: December 7, 2020Publication date: October 17, 2024Inventors: Jeff Millar-Sax, Kevin Baum, Fred Chen, Qing Chen, Zhengwei Song
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Patent number: 12083018Abstract: An acetabular shell insertion tool with an anti-rotation feature is provided. The insertion tool attaches to an acetabular shell including a center hole having an internal threading and an anti-rotation recess disposed around the center hole and having a predetermined shape. The insertion tool includes an outer shaft and an inner shaft disposed within the outer shaft. The outer shaft has an anti-rotation projection shaped to be received in the anti-rotation recess of the acetabular shell so as to prevent rotation of the outer shaft relative to the acetabular shell, thereby preventing the insertion tool from disengaging from the shell. The inner shaft has a threaded tip adapted to be threaded into the internal threading of the center hole to lock the insertion tool to the acetabular shell.Type: GrantFiled: December 4, 2020Date of Patent: September 10, 2024Assignee: Globus Medical, Inc.Inventors: David Stumpo, Fred Matthis, Kenny Chen, John M. Loiacono, Pasquale Petrera, David Morawski
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Patent number: 12053383Abstract: An acetabular implant for hip arthroplasty includes an acetabular shell to be attached to an acetabulum. The acetabular shell includes an inner surface defining a shell cavity and having a tapered shell section. The acetabular shell includes a tool interlocking structure that mates with a shell insertion tool to inhibit rotation relative to the shell insertion tool. The acetabular shell includes a snap-fit receiver. An acetabular liner is sized and shaped to be disposed in the shell cavity of the acetabular shell. The acetabular liner including an outer surface having a tapered liner section corresponding to the taper of the tapered shell section and engages the tapered shell section to inhibit movement of the acetabular liner relative to the acetabular shell. The acetabular liner includes a snap-fit retainer received by the snap-fit receiver of the acetabular shell to form a snap-fit connection between the acetabular liner and the acetabular shell.Type: GrantFiled: September 18, 2020Date of Patent: August 6, 2024Assignee: Globus Medical Inc.Inventors: David Stumpo, Fred Matthis, Kenny Chen, John M. Loiacono, Pasquale Petrera, David Morawski
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Publication number: 20240204661Abstract: Switched capacitor power converter circuitry comprising: a first converter fragment; a second converter fragment; and control circuitry, wherein the control circuitry is configured to selectively activate the second converter fragment based on an operating parameter indicative of a load current that the switched capacitor power converter circuitry is required to support.Type: ApplicationFiled: December 20, 2022Publication date: June 20, 2024Applicant: Cirrus Logic International Semiconductor Ltd.Inventors: Fred CHEN, Hans MEYVAERT, John CROSSLEY, Minbok LEE
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Publication number: 20230407310Abstract: An isolated or purified antisense oligomer for modulating mRNA translation of the OPAL gene transcript or part thereof which has a modified backbone structure and sequences with at least 75% sequence identity to the isolated or purified antisense oligomer.Type: ApplicationFiled: October 1, 2021Publication date: December 21, 2023Inventors: Fred Chen, Ianthe Pitout, Janya Grainok, Sasiwimon Utama, Kim Rice
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Patent number: 11038428Abstract: In an aspect, the present invention provides a high frequency switching power converter. The high frequency switching power converter may include a plurality of soft-switchable power cells flexibly connected to receive an input signal in series and provide an output. The high frequency switching power converter may further include a controller for configuring the flexible connection and for controlling the power cells to receive the input signal. In an embodiment, each of the plurality of power cells may be separately controllable by the controller. Further, a portion of the plurality of power cells may be arranged with parallel outputs. Additionally, at least one of the plurality of cells may include one or more switched capacitors. In another embodiment, the at least one of the plurality of cells may include at least one switched capacitor and a DC/DC regulating converter.Type: GrantFiled: September 16, 2019Date of Patent: June 15, 2021Assignee: FINsix CorporationInventors: Anthony Sagneri, George Hwang, Justin Burkhart, Fred Chen
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Patent number: 10863387Abstract: A method is provided in one example and includes receiving at least one first input indicating at least one network condition associated with a first user device having a user associated therewith. The first user device has a first bearer channel established between the first user device and a gateway, and the first bearer channel has a first quality of service level. The method further includes determining whether to modify the first user device to a second quality of service level based upon the received at least one first input, and sending a first request to a first network element instructing the first network element to modify the first user device to the second quality of service level.Type: GrantFiled: October 2, 2013Date of Patent: December 8, 2020Assignee: Cisco Technology, Inc.Inventors: Arun C. Alex, Gibson Soon Teck Ang, Kevin D. Shatzkamer, Ramanathan Jagadeesan, Fred Chen, Rajesh P. Velandy, Wenxing Zheng
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Publication number: 20200259420Abstract: In an aspect, the present invention provides a high frequency switching power converter. The high frequency switching power converter may include a plurality of soft-switchable power cells flexibly connected to receive an input signal in series and provide an output. The high frequency switching power converter may further include a controller for configuring the flexible connection and for controlling the power cells to receive the input signal. In an embodiment, each of the plurality of power cells may be separately controllable by the controller. Further, a portion of the plurality of power cells may be arranged with parallel outputs. Additionally, at least one of the plurality of cells may include one or more switched capacitors. In another embodiment, the at least one of the plurality of cells may include at least one switched capacitor and a DC/DC regulating converter.Type: ApplicationFiled: September 16, 2019Publication date: August 13, 2020Applicant: FINsix CorporationInventors: Anthony Sagneri, George Hwang, Justin Burkhart, Fred Chen
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Patent number: 10720832Abstract: Circuits comprising: a capacitor; switches that, when State0, couple the capacitor in parallel with the load and, when State1, couple the capacitor in series with the load, wherein a first of the switches connects the capacitor to ground when in State0 and wherein a second of the switches connects the capacitor to an input voltage when in State1; a third switch, wherein a first side of the third switch is connected to the capacitor identically to one of the first switch and the second switch (OFWSW), wherein the third switch switches identically to the OFWSW, wherein the third switch is smaller than the OFWSW; a first resistor connected to the second side of the third switch; and a hardware processor that measures a current flowing through the first resistor and estimates the current provided to the load based on the current measured as flowing through the first resistor.Type: GrantFiled: January 31, 2019Date of Patent: July 21, 2020Assignee: Lion Semiconductor Inc.Inventors: Hans Meyvaert, Thomas Li, Fred Chen, John Crossley, Zhipeng Li, Bertram J. Rodgers
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Publication number: 20200144908Abstract: Circuits comprising: a capacitor; switches that, when State0, couple the capacitor in parallel with the load and, when State1, couple the capacitor in series with the load, wherein a first of the switches connects the capacitor to ground when in State0 and wherein a second of the switches connects the capacitor to an input voltage when in State1; a third switch, wherein a first side of the third switch is connected to the capacitor identically to one of the first switch and the second switch (OFWSW), wherein the third switch switches identically to the OFWSW, wherein the third switch is smaller than the OFWSW; a first resistor connected to the second side of the third switch; and a hardware processor that measures a current flowing through the first resistor and estimates the current provided to the load based on the current measured as flowing through the first resistor.Type: ApplicationFiled: January 31, 2019Publication date: May 7, 2020Inventors: Hans Meyvaert, Thomas Li, Fred Chen, John Crossley, Zhipeng Li, Bertram J. Rodgers
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Patent number: 10144591Abstract: Robotic arms or manipulators can be used to toss inventory items within an inventory system. Tossing strategies for the robotic arms may include information about how a grasped item is to be moved and released by a robotic arm to achieve a trajectory for moving the item to a receiving location. A tossing strategy may also use a trajectory that avoids time and/or space reserved for a trajectory of another tossed item. The receiving location can include surfaces and/or other features that can be manipulated for receiving the item based on one or more characteristics of the tossed item and/or a trajectory of the tossed item.Type: GrantFiled: July 16, 2018Date of Patent: December 4, 2018Assignee: Amazon Technologies, Inc.Inventors: Jeremiah David Brazeau, Andrew M. Sweeney, Henry David Garcia, Fred Chen, Brian Michael Lusignan
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Publication number: 20180319601Abstract: Robotic arms or manipulators can be used to toss inventory items within an inventory system. Tossing strategies for the robotic arms may include information about how a grasped item is to be moved and released by a robotic arm to achieve a trajectory for moving the item to a receiving location. A tossing strategy may also use a trajectory that avoids time and/or space reserved for a trajectory of another tossed item. The receiving location can include surfaces and/or other features that can be manipulated for receiving the item based on one or more characteristics of the tossed item and/or a trajectory of the tossed item.Type: ApplicationFiled: July 16, 2018Publication date: November 8, 2018Inventors: Jeremiah David Brazeau, Andrew M. Sweeney, Henry David Garcia, Fred Chen, Brian Michael Lusignan
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Patent number: 10023393Abstract: Robotic arms or manipulators can be used to toss inventory items within an inventory system. Tossing strategies for the robotic arms may include information about how a grasped item is to be moved and released by a robotic arm to achieve a trajectory for moving the item to a receiving location. A tossing strategy may also use a trajectory that avoids time and/or space reserved for a trajectory of another tossed item. The receiving location can include surfaces and/or other features that can be manipulated for receiving the item based on one or more characteristics of the tossed item and/or a trajectory of the tossed item.Type: GrantFiled: September 29, 2015Date of Patent: July 17, 2018Assignee: Amazon Technologies, Inc.Inventors: Jeremiah David Brazeau, Andrew M. Sweeney, Henry David Garcia, Fred Chen, Brian Michael Lusignan
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Patent number: 9926138Abstract: An item that is moving along a moving surface of an inventory conveyance system may be identified. An orientation of the item with respect to the moving surface may be determined based on sensing information that describes the item and a portion of the moving surface surrounding the item. A removal strategy for operating a robotic arm to remove the item from the moving surface may be determined based at least in part on the item and the orientation. The removal strategy may include a trajectory for the robotic arm to follow as part of removing the item from the moving surface.Type: GrantFiled: September 29, 2015Date of Patent: March 27, 2018Assignee: Amazon Technologies, Inc.Inventors: Jeremiah David Brazeau, Andrew M. Sweeney, Henry David Garcia, Fred Chen, Brian Michael Lusignan
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Publication number: 20170088360Abstract: Robotic arms or manipulators can be used to toss inventory items within an inventory system. Tossing strategies for the robotic arms may include information about how a grasped item is to be moved and released by a robotic arm to achieve a trajectory for moving the item to a receiving location. A tossing strategy may also use a trajectory that avoids time and/or space reserved for a trajectory of another tossed item. The receiving location can include surfaces and/or other features that can be manipulated for receiving the item based on one or more characteristics of the tossed item and/or a trajectory of the tossed item.Type: ApplicationFiled: September 29, 2015Publication date: March 30, 2017Inventors: Jeremiah David Brazeau, Andrew M. Sweeney, Henry David Garcia, Fred Chen, Brian Michael Lusignan
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Patent number: 9401646Abstract: In an aspect, the present invention provides a high frequency switching power converter. The high frequency switching power converter may include a plurality of soft-switchable power cells flexibly connected to receive an input signal in series and provide an output. The high frequency switching power converter may further include a controller for configuring the flexible connection and for controlling the power cells to receive the input signal. In an embodiment, each of the plurality of power cells may be separately controllable by the controller. Further, a portion of the plurality of power cells may be arranged with parallel outputs. Additionally, at least one of the plurality of cells may include one or more switched capacitors. In another embodiment, the at least one of the plurality of cells may include at least one switched capacitor and a DC/DC regulating converter.Type: GrantFiled: March 26, 2015Date of Patent: July 26, 2016Assignee: FINsix CorporationInventors: Anthony Sagneri, George Hwang, Justin Burkhart, Fred Chen
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Patent number: 9318958Abstract: A method of on/off modulation of a very high frequency switching cell-based power converter includes receiving an input voltage signal to be applied to a plurality of series stacked very high frequency power converter cells for producing an output voltage and/or current, and controlling a portion of the plurality of series stacked high frequency power converter cells through on/off modulation of at least one of the plurality of series stacked high frequency power converter cells to control the output current and/or the output voltage.Type: GrantFiled: April 27, 2012Date of Patent: April 19, 2016Assignee: FINsix CorporationInventors: Anthony D. Sagneri, Jae-Won George Hwang, Justin Michael Burkhart, Fred Chen