Patents by Inventor Richard Lu
Richard Lu 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: 20250060299Abstract: Modular flow cytometry systems and methods for processing samples are described herein. The systems include automated or semi-automated modules that are replaceable and removable. A sample pathway module may be removed and placed in a microfluidic device cleaning module for cleaning, and then reinstalled or stored for later use. The systems further include optical modules, electronics modules, and mixing and collection modules. The optical module includes a photo-damaging assembly and detection laser assembly that may be on the same side relative to a plane or surface of a flow cytometry device and opposite of a detection assembly. The laser beam may have a beam waist that is wider in a direction perpendicular to a flow direction than in the flow direction. The mixing and collection module can automatically mix a sample being collected in a sample tube and switch to another sample tube when the other tube is full.Type: ApplicationFiled: October 22, 2024Publication date: February 20, 2025Inventors: Gary Klas, Daniel McAda, Zheng Xia, Matthew Ebersole, Brian Lena, David Appleyard, Richard Lu, Scott Buckley, Mark Abermoske
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Patent number: 12135270Abstract: Modular flow cytometry systems and methods for processing samples are described herein. The systems include automated or semi-automated modules that are replaceable and removable. A sample pathway module may be removed and placed in a microfluidic device cleaning module for cleaning, and then reinstalled or stored for later use. The systems further include optical modules, electronics modules, and mixing and collection modules. The optical module includes a photo-damaging assembly and detection laser assembly that may be on the same side relative to a plane or surface of a flow cytometry device and opposite of a detection assembly. The laser beam may have a beam waist that is wider in a direction perpendicular to a flow direction than in the flow direction. The mixing and collection module can automatically mix a sample being collected in a sample tube and switch to another sample tube when the other tube is full.Type: GrantFiled: November 12, 2021Date of Patent: November 5, 2024Assignee: ABS GLOBAL, INC.Inventors: Gary Klas, Daniel McAda, Zheng Xia, Matthew Ebersole, Brian Lena, David Appleyard, Richard Lu, Scott Buckley, Mark Abermoske
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Publication number: 20240109954Abstract: Described herein are Fe-enhanced antibodies and methods of use thereof. Also described are Fe-enhanced antibodies to treat Ebola virus infection.Type: ApplicationFiled: February 1, 2022Publication date: April 4, 2024Inventors: Galit Alter, Richard Lu
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Publication number: 20230034817Abstract: The disclosure pertains to a recombinant adeno-associated virus (rAAV) comprising an Anc80L65 capsid for delivering a polynucleotide (e.g., a transgene) into the central nervous system (CNS). Further provided includes methods for treating CNS diseases using the rAAV and pharmaceutical compositions comprising the rAAV.Type: ApplicationFiled: April 11, 2022Publication date: February 2, 2023Applicant: AFFINIA THERAPEUTICS INC.Inventors: Laura K. RICHMAN, Roberto CALCEDO DEL HOYO, Douglas N. SANDERS, Lisa M. STANEK, Samantha SMITH, Richard LU, Christopher TIPPER, Robert Steven Johnson
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Publication number: 20220163438Abstract: Modular flow cytometry systems and methods for processing samples are described herein. The systems include automated or semi-automated modules that are replaceable and removable. A sample pathway module may be removed and placed in a microfluidic device cleaning module for cleaning, and then reinstalled or stored for later use. The systems further include optical modules, electronics modules, and mixing and collection modules. The optical module includes a photo-damaging assembly and detection laser assembly that may be on the same side relative to a plane or surface of a flow cytometry device and opposite of a detection assembly. The laser beam may have a beam waist that is wider in a direction perpendicular to a flow direction than in the flow direction. The mixing and collection module can automatically mix a sample being collected in a sample tube and switch to another sample tube when the other tube is full.Type: ApplicationFiled: November 12, 2021Publication date: May 26, 2022Inventors: Gary Klas, Daniel McAda, Zheng Xia, Matthew Ebersole, Brian Lena, David Appleyard, Richard Lu, Scott Buckley, Mark Abermoske
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Patent number: 7769448Abstract: An implantable, multi-chamber cardiac stimulation device and method automatically adjust inter-chamber stimulation delays whenever stimulation rate is changed according to a patient's metabolic need. Inter-chamber stimulation delays include inter-atrial delays, inter-ventricular delays, and atrio-ventricular delays. Inter-chamber stimulation delays are defined according to whether the event which triggers the start of the delay is an intrinsic sensed event or the delivery of a stimulation pulse. Adjustment to inter-chamber stimulation delays is made as a function of the stimulation rate changes. By providing automatically adjustable inter-chamber stimulation delays optimal synchronization of heart chamber contractions may be maintained at all stimulation rates.Type: GrantFiled: May 6, 2005Date of Patent: August 3, 2010Assignee: Pacesetter, Inc.Inventor: Richard Lu
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Publication number: 20070255154Abstract: Techniques are described that allow an implantable device to sense activity data from a patient and estimate the patient's amount of energy expended based on the sensed data. The implantable device may alternatively determine an amount of time the patient has been active based on the activity data. For example, the implantable device may be an implantable gastric stimulator. A system may provide feedback to the patient, a family member, or a doctor about the patient's activity or energy expenditure. The data may be provided in table or graphical format, and may show daily or weekly energy data or may show a trend of the daily or weekly energy data.Type: ApplicationFiled: April 28, 2006Publication date: November 1, 2007Inventors: Richard Lu, John Keimel, Gary Lubben
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Publication number: 20070255337Abstract: The invention is directed to techniques for delivering electrical stimulation to a gastrointestinal tract of a patient via an implantable stimulator and monitoring electrical activity of a patient's heart by sensing cardiac signals via electrodes coupled to the implantable stimulator. The implantable stimulator may analyze the cardiac signals and generate a cardiac therapy recommendation for the patient, or may communicate the cardiac signals via telemetry circuitry to an external device for analysis. The sensed cardiac signals may be electrocardiogram (ECG) signals.Type: ApplicationFiled: April 28, 2006Publication date: November 1, 2007Inventor: Richard Lu
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Patent number: 7220120Abstract: The present invention encompasses, in part, a method and apparatus for lens casting in which two molds, preferably formed of plastic, are interconnected or joined together via a ring to form a mold cavity having substantially the same dimensions of the lens to be formed therein. The invention is further directed to compositions and methods used in lens casting. In a first implementation the invention includes a mold having a ring having an interior periphery; a front mold formed of a plastic and having a lens-forming surface, an edge circumscribing the lens-forming surface that is sized to be complementarily received within a portion of the interior periphery of the ring, and a base having dimensions greater than the interior periphery; and a rear mold formed of a plastic and having a lens-forming surface.Type: GrantFiled: July 22, 2005Date of Patent: May 22, 2007Assignee: Qspex, LLCInventors: Kai Su, Richard Lu, David Wright, Debbie Makita
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Patent number: 7212857Abstract: An implantable cardiac device returns activations of corresponding right and left chambers of a heart to inter-chamber synchrony. A sensing circuit senses intracardiac signals representing right and left chamber ventricular electrical activity. A detector determines if a predetermined characteristic of the electrogram signals indicates dissociation of the corresponding right and left chambers. If dissociation is indicated, a pulse generator stimulates at least one of the corresponding chambers to restore inter-chamber synchrony.Type: GrantFiled: May 1, 2002Date of Patent: May 1, 2007Assignee: Pacesetter, Inc.Inventors: Lisa P. Weinberg, Richard Lu
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Patent number: 7114696Abstract: The present invention encompasses, in part, a method and apparatus for lens casting in which two molds, preferably formed of plastic, are interconnected or joined together via a ring to form a mold cavity having substantially the same dimensions of the lens to be formed therein. In one implementation the invention includes a the casting device comprising a plurality of front molds, each front mold formed of a plastic and having a lens-forming surface. The front molds are configured to form a plurality of lenses of different effective diameters. The casting device further includes a rear mold formed of a plastic and having a lens-forming surface; wherein the rear mold is configured to be paired with each of the plurality of front molds to form a plurality of lenses of different effective diameters.Type: GrantFiled: August 29, 2005Date of Patent: October 3, 2006Assignee: QSPEX, LLCInventors: Kai Su, Richard Lu
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Publication number: 20060103038Abstract: The present invention encompasses, in part, a method and apparatus for lens casting in which two molds, preferably formed of plastic, are interconnected or joined together via a ring to form a mold cavity having substantially the same dimensions of the lens to be formed therein. The invention is further directed to compositions and methods used in lens casting. In a first implementation the invention includes a mold having a ring having an interior periphery; a front mold formed of a plastic and having a lens-forming surface, an edge circumscribing the lens-forming surface that is sized to be complementarily received within a portion of the interior periphery of the ring, and a base having dimensions greater than the interior periphery; and a rear mold formed of a plastic and having a lens-forming surface.Type: ApplicationFiled: July 22, 2005Publication date: May 18, 2006Inventors: Kai Su, Richard Lu, David Wright, Debbie Makita
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Publication number: 20060103037Abstract: The present invention comprises a method and apparatus for casting a lens, and chemical compositions used to perform the same. In one implementation of the invention, a disposable mold is provided that comprises a substantially amorphous thermoplastic material forming an optically precise surface; wherein the mold further comprises a coating on the optically precise surface of the mold, the coating configured to be incorporated into an ophthalmic lens and removable from the mold.Type: ApplicationFiled: November 18, 2004Publication date: May 18, 2006Inventors: Kai Su, Richard Lu, David Wright, Debbie Makita
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Publication number: 20060103041Abstract: The present invention encompasses, in part, a method and apparatus for lens casting in which two molds, preferably formed of plastic, are interconnected or joined together via a ring to form a mold cavity having substantially the same dimensions of the lens to be formed therein. The invention is further directed to compositions and methods used in lens casting. In a first implementation the invention includes a mold having a ring having an interior periphery; a front mold formed of a plastic and having a lens-forming surface, an edge circumscribing the lens-forming surface that is sized to be complementarily received within a portion of the interior periphery of the ring, and a base having dimensions greater than the interior periphery; and a rear mold formed of a plastic and having a lens-forming surface.Type: ApplicationFiled: November 18, 2004Publication date: May 18, 2006Inventors: Kai Su, Richard Lu, David Wright, Debbie Makita
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Patent number: 7024242Abstract: An implantable cardiac stimulation device provides a stimulation therapy or an atrial ablation recommendation responsive to detection of atrial flutter of a heart. The device includes a sensing circuit that senses electrical activity of a heart and generates electrical signals representing electrical activity of the heart, an arrhythmia detector that detects atrial flutter of the heart, and a data processor that measures cardiac data responsive to the electrical signals. A therapy control responsive to the detection of atrial flutter recommends atrial ablation of the heart when the cardiac data satisfies a predetermined criteria and atrial flutter suppression when the cardiac data fails to satisfy the predetermined criteria. The device may further include a pulse generator that provides stimulation therapy to at least one atrium to terminate the atrial flutter.Type: GrantFiled: May 1, 2002Date of Patent: April 4, 2006Assignee: Pacesetter, Inc.Inventor: Richard Lu
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Patent number: 7020523Abstract: Various embodiments can permit electrode configurations that are used in implantable devices to be automatically changed. In some embodiments, configurations that are used to ascertain capture (ventricular and/or atrial) can be automatically changed by a stimulation device and then automatically configured for use. Various parameters associated with the electrical configurations can be automatically calibrated so that a stimulation device's automatic capture feature can continue to function notwithstanding the fact that an electrode configuration change has taken place.Type: GrantFiled: April 16, 2002Date of Patent: March 28, 2006Assignee: Pacesetter, Inc.Inventors: Richard Lu, Corey Brown
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Patent number: 6952612Abstract: Techniques are provided for programming a rate-responsive pacemaker or other implantable cardiac stimulation device capable of rate-responsive pacing. In one embodiment, an external programmer is configured to allow a physician to program the pacemaker with a smooth curvilinear rate-responsive pacing function having whatever shape the physician deems optimal for the patient, rather than being limited to generating a linear or bi-linear rate-responsive pacing functions as with many conventional techniques. The rate-responsive pacing function may specify, for example, pacing rates as a function of orthostatic sensor values, activity sensor values, minute ventilation sensor values, vasovagal syncope sensor values or paced depolarization integral sensor values. If several sensors are provided in the pacemaker, smooth rate-responsive pacing functions may be separately generated for use with each sensor.Type: GrantFiled: April 24, 2002Date of Patent: October 4, 2005Assignee: Pacesetter, Inc.Inventor: Richard Lu
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Patent number: 6941170Abstract: An implantable cardiac stimulation device controls dynamic atrial overdrive pacing based, in part, on sensor indicated rate. In one example, the stimulation device adjusts an overdrive pacing rate based on the sensor indicated rate by periodically decreasing the overdrive pacing rate by a programmed rate decrement whenever a difference between the current overdrive pacing rate and the sensor indicated rate falls outside predetermined acceptable range while the sensor indicated rate is decreasing. The overdrive pacing rate is decreased in this manner until a) the overdrive pacing rate falls below the base rate, rest rate or the sensor indicated rate or until b) an event triggers an increase in the overdrive pacing rate, such as the appearance of intrinsic breakthrough heart beats. The overdrive pacing rate is not decreased if the sensor indicated rate is increasing or stable.Type: GrantFiled: September 25, 2001Date of Patent: September 6, 2005Assignee: Pacesetter, Inc.Inventor: Richard Lu
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Patent number: 6937895Abstract: An implantable, multi-chamber cardiac stimulation device and method automatically adjust inter-chamber stimulation delays whenever stimulation rate is changed according to a patient's metabolic need. Inter-chamber stimulation delays include inter-atrial delays, inter-ventricular delays, and atrio-ventricular delays. Inter-chamber stimulation delays are defined according to whether the event which triggers the start of the delay is an intrinsic sensed event or the delivery of a stimulation pulse. Adjustment to inter-chamber stimulation delays is made as a function of the stimulation rate changes. By providing automatically adjustable inter-chamber stimulation delays optimal synchronization of heart chamber contractions may be maintained at all stimulation rates.Type: GrantFiled: August 14, 2001Date of Patent: August 30, 2005Assignee: Pacesetter, Inc.Inventor: Richard Lu
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Patent number: 6907287Abstract: Systems and methods are provided for collecting enhanced diagnostic information specifically pertaining to overdrive pacing within an implantable cardiac stimulation device and for processing and displaying the enhanced diagnostic information using an external programmer. The enhanced diagnostic information includes one or more of overdrive pacing efficacy, overdrive pacing percentage, overdrive pacing/heart rate histogram data, longest recovery duration, atrial event data, minimum/maximum/average of the overdrive pacing rate, number of paced beats at maximum rate, duration of recovery time from maximum rate, intrinsic rate breakthrough histogram data, and number of rate increases. By tracking and displaying the enhanced diagnostic information, a physician can thereby more effectively and reliably program overdrive pacing control parameters to achieve optimal overdrive pacing performance.Type: GrantFiled: June 14, 2002Date of Patent: June 14, 2005Assignee: Packsetter, Inc.Inventors: Gregory C. Bevan, Richard Lu, Harold C. Schloss, Joseph J. Florio, Janice Barstad