Patents by Inventor Songtao Wu
Songtao Wu 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: 20240077662Abstract: A multilayer structure that reflects color having a core layer and a conformal dielectric layer encapsulating the core layer. A conformal barrier layer encapsulates the conformal dielectric layer, and a conformal absorber layer encapsulates the conformal barrier layer.Type: ApplicationFiled: March 2, 2023Publication date: March 7, 2024Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Songtao Wu, Debasish Banerjee, Minjuan Zhang
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Publication number: 20240077663Abstract: A multilayer structure that reflects color includes a core layer, and a conformal dielectric layer encapsulating the core layer. A conformal absorber layer encapsulates the conformal dielectric layer. The multilayer structure consists of three optical layers.Type: ApplicationFiled: March 2, 2023Publication date: March 7, 2024Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Songtao Wu, Debasish Banerjee, Minjuan Zhang
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Patent number: 11916271Abstract: The present disclosure discloses a stable and high-capacity neutral aqueous redox flow lithium battery based on redox-targeting reaction and belongs to the technical field of flow lithium batteries. The present disclosure solves the technical problem that an existing flow battery can only work at low current density. The flow lithium battery of the present disclosure includes a positive electrode storage tank and a negative electrode storage tank; the positive electrode storage tank is filled with a positive electrolyte; and the negative electrode storage tank is filled with a negative electrolyte. The flow lithium battery is characterized in that the positive electrolyte includes a salt containing [Fe(CN)6]4? and/or [Fe(CN)6]3?, and the positive electrode storage tank is further filled with LFP particles and/or FP particles. The flow lithium battery of the present disclosure has wide application prospects in the field of large-scale energy storage.Type: GrantFiled: June 28, 2022Date of Patent: February 27, 2024Assignees: HARBIN INSTITUTE OF TECHNOLOGY, CHONGQING RESEARCH INSTITUTE OF HARBIN INSTITUTE OF TECHNOLOGYInventors: Xiaohong Wu, Songtao Lu, Wei Qin, Xin Jia, Yuan Yao, Yang Li
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Publication number: 20240053521Abstract: A multilayer thin film that reflects an omnidirectional structural color having a reflective core layer; an amorphous-phase TiO2 dielectric layer extending across the reflective core layer; a metallic absorbing layer extending across the dielectric layer; and a dielectric outer layer extending across the metallic absorbing layer. The multilayer thin film reflects a single narrow band of visible light when exposed to broadband electromagnetic radiation, and a color shift of the single narrow band of visible light is less than 30° measured in Lab color space when the multilayer thin film is exposed to broadband electromagnetic radiation and viewed from angles between 0° and 45° relative to a direction normal to an outer surface of the multilayer thin film.Type: ApplicationFiled: August 12, 2022Publication date: February 15, 2024Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Debasish Banerjee, Songtao Wu, Hidetaka Asano
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Publication number: 20230400610Abstract: A composite material having a black pigment and a textile material. The composite material has a reflectivity toward near infrared electromagnetic radiation having a wavelength from 800 nm to 2500 nm of greater than or equal to 12%, and the composite material has a reflectivity toward visible light having a wavelength from 350 nm to 750 nm of less than or equal to 10%.Type: ApplicationFiled: April 18, 2023Publication date: December 14, 2023Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Michael P. Rowe, Songtao Wu, Debasish Banerjee, Charles R. Rutledge, Torin C. Peck, Michael Jones
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Patent number: 11834579Abstract: A copper oxide coated pigment including a particle having an outer surface, and a layer of copper oxide on the outer surface. The pigment has a reflectivity of electromagnetic radiation in a visible spectrum less than or equal to 5%, and a reflectivity of electromagnetic radiation in a near-IR and LiDAR spectrum greater than or equal to 5%. The particle is cobalt oxide or carbon black. A method for forming copper oxide coated particles includes combining a precipitating agent with a solution of copper nitrate and particles, forming coated particles. The particles are cobalt oxide or carbon black. Washing the particles, obtaining washed coated particles, and filtering the washed coated particles, obtaining filtered coated particles. Drying the filtered coated particles, obtaining dried coated particles, and calcining the dried coated particles to form the copper oxide coated particles.Type: GrantFiled: February 5, 2021Date of Patent: December 5, 2023Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Songtao Wu, Krishna Gunugunuri, Debasish Banerjee
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Patent number: 11834635Abstract: Bioactive coatings that include a base and a protein associated with the base for actively promoting the removal of organic stains are provided. In aspects, bioactive coatings that are stabilized against inactivation by weathering are provided including a base associated with a chemically modified enzyme, and, optionally a first polyoxyethylene present in the base and independent of the enzyme. The coatings are optionally overlayered onto a substrate to form an active coating facilitating the removal of organic stains or organic material from food, insects, or the environment.Type: GrantFiled: April 19, 2021Date of Patent: December 5, 2023Assignees: Toyota Motor Corporation, Regents of the University of MinnesotaInventors: Andreas Buthe, Ping Wang, Songtao Wu, Hongfei Jia, Masahiko Ishii, Minjuan Zhang
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Publication number: 20230385688Abstract: The present disclosure provides an electronic device and a method for federated learning. The electronic device for federated learning at a central processing apparatus comprises a processing circuitry which is configured to: determine a group of distributed nodes for generating a global model parameter among a plurality of distributed nodes, wherein the correlation between local training data of the group of distributed nodes meets a specific correlation requirement; and generate the global model parameter based on local model parameters of the group of distributed nodes, wherein the local model parameters are generated by the group of distributed nodes based on respective local training data thereof.Type: ApplicationFiled: October 28, 2021Publication date: November 30, 2023Applicant: Sony Group CorporationInventors: Chen SUN, Songtao WU, Tao CUI
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Publication number: 20230374420Abstract: Bioactive coatings that include a base and a protein associated with the base for actively promoting the removal of organic stains are provided. In aspects, bioactive coatings that are stabilized against inactivation by weathering are provided including a base associated with a chemically modified enzyme, and, optionally a first polyoxyethylene present in the base and independent of the enzyme. The coatings are optionally overlayered onto a substrate to form an active coating facilitating the removal of organic stains or organic material from food, insects, or the environment.Type: ApplicationFiled: June 1, 2023Publication date: November 23, 2023Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Motor Corporation, Regents of the University of MinnesotaInventors: Andreas Buthe, Ping Wang, Songtao Wu, Hongfei Jia, Masahiko Ishii, Minjuan Zhang
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Publication number: 20230340296Abstract: Bioactive coatings are provided with two component solvent borne resin and an enzyme dispersed therein. The unique coatings provide for enzyme dispersion in the two component solvent borne resin in aggregates with small particle sizes of up to 5 micrometers. The coatings are optionally overlayered onto a substrate to form an active coating facilitating the removal of organic stains or organic material from food, insects, or the environment.Type: ApplicationFiled: November 29, 2022Publication date: October 26, 2023Inventors: Hongfei Jia, Ping Wang, Liting Zhang, Andreas Buthe, Xueyan Zhao, Songtao Wu, Masahiko Ishii, Minjuan Zhang
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Patent number: 11795329Abstract: Black titanium dioxide has a crystalline titanium dioxide core and an amorphous titanium dioxide shell that encompasses the crystalline titanium dioxide core. The black titanium dioxide has a reflectivity of electromagnetic radiation in the visible spectrum that is less than or equal to 15% and a reflectivity for near-IR and LiDAR electromagnetic radiation that is greater than or equal to 10%. The black titanium dioxide has a band gap from greater than or equal to 1.0 eV to less than or equal to 2.0 eV.Type: GrantFiled: November 10, 2020Date of Patent: October 24, 2023Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Songtao Wu, Debasish Banerjee, Kan Huang
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Publication number: 20230323076Abstract: A composite material includes a polymer matrix and a quantity of electrically conductive microparticles dispersed within the polymer matrix in an amount and distribution structured so that the composite material exhibits an increase in thermal emissivity of at least about 8% with increasing temperature of the composite material, for temperatures over a range of 23° C.-60° C. inclusive. The composite material may be used as (or as part of) a passive variable radiator for cooling an object in thermal communication with the composite material.Type: ApplicationFiled: April 8, 2022Publication date: October 12, 2023Inventors: Songtao Wu, Debasish Banerjee, Charles Alexander Roberts, Taizo Masuda, Yuki Kudo
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Patent number: 11749899Abstract: A multilayer thin film that reflects an omnidirectional structural color having a reflective core layer comprising a metallic material, a second layer extending across the reflective core layer, a third layer extending across the second layer, and an outer layer extending across the third layer. The multilayer thin film reflects a single narrow band of visible light that is less than 30° measured in Lab color space when viewed from angles between 0° and 45°, and the reflective core layer has a skin depth ? of greater than or equal to 1.0 ?m in a frequency range from 20-40 GHz, as calculated by: ? = 2 ? ? ( 2 ? ? ? f ) ? ( ? 0 ? ? r ) ? 5 ? 0 ? 3 ? ? ? r ? f , ? is skin depth in meters (m); ? is resistivity in ohm meter (?·m); f is frequency of an electromagnetic radiation in hertz (Hz); ?0 is permeability; and ?r is relative permeability of the metallic material.Type: GrantFiled: March 31, 2021Date of Patent: September 5, 2023Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Debasish Banerjee, Songtao Wu, Naohide Uchida, Takeshi Yamakawa, Hidetaka Asano
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Publication number: 20230235251Abstract: A liquid bioactive composition is provided that includes an enzyme with enzymatic activity toward a component of a biological stain. Also provided is a process for facilitating the removal of a biological stain is provided wherein the enzyme in the liquid bioactive coating material is capable of enzymatically degrading of one or more components of the biological stain to facilitate biological stain removal from a substrate.Type: ApplicationFiled: February 24, 2023Publication date: July 27, 2023Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Motor CorporationInventors: Songtao Wu, Hongfei Jia, Masahiko Ishii, Minjuan Zhang
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Publication number: 20230212426Abstract: A process of stabilizing the activity of an enzyme against inactivation by water weathering are provided including associating one or more polymeric moieties of a polyoxyethylene having a molecular weight of 10,000 Daltons or greater with an enzyme to form a chemically modified enzyme; and dispersing said chemically modified enzyme in a base to form a water-stabilized active coating material.Type: ApplicationFiled: December 21, 2022Publication date: July 6, 2023Inventors: Hongfei Jia, Ping Wang, Liting Zhang, Andreas Buthe, Xueyan Zhao, Songtao Wu, Masahiko Ishii, Minjuan Zhang
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Patent number: 11692156Abstract: Bioactive coatings that include a base and a protein associated with the base for actively promoting the removal of organic stains are provided. In aspects, bioactive coatings that are stabilized against inactivation by weathering are provided including a base associated with a chemically modified enzyme, and, optionally a first polyoxyethylene present in the base and independent of the enzyme. The coatings are optionally overlayered onto a substrate to form an active coating facilitating the removal of organic stains or organic material from food, insects, or the environment.Type: GrantFiled: June 12, 2020Date of Patent: July 4, 2023Assignees: Toyota Motor Corporation, Regents of the University of MinnesotaInventors: Andreas Buthe, Ping Wang, Songtao Wu, Hongfei Jia, Masahiko Ishii, Minjuan Zhang
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Patent number: 11656388Abstract: A composite material including a black pigment and a textile material. The composite material has a reflectivity toward near infrared electromagnetic radiation having a wavelength from 800 nm to 2500 nm of greater than or equal to 12%, and has a reflectivity toward visible light having a wavelength from 350 nm to 750 nm of less than or equal to 10%. The composite material also has a blackness (My) from 125 to 165.Type: GrantFiled: June 8, 2022Date of Patent: May 23, 2023Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Michael P. Rowe, Songtao Wu, Debasish Banerjee, Charles R. Rutledge, Torin C. Peck, Michael Jones
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Patent number: 11624044Abstract: A substrate or coating is provided that includes a protease with enzymatic activity toward a component of a biological stain. Also provided is a process for facilitating the removal of a biological stain is provided wherein an inventive substrate or coating including a protease is capable of enzymatically degrading of one or more components of the biological stain to facilitate biological stain removal from the substrate or said coating.Type: GrantFiled: July 20, 2020Date of Patent: April 11, 2023Assignee: Toyota Motor CorporationInventors: Songtao Wu, Hongfei Jia, Masahiko Ishii, Minjuan Zhang
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Publication number: 20230107308Abstract: The present disclosure relates to an apparatus, a method, and a storage medium for federated learning (FL). Various embodiments for FL are described. In an embodiment, a central processing apparatus can be configured to, for a first one of a plurality of distributed computing apparatuses: receive a report message from the first distributed computing apparatus, the report message including at least one of training data set information or device information of the first distributed computing apparatus; evaluate FL performance of the first distributed computing apparatus based on the report message of the first distributed computing apparatus; determine wireless resource requirements of the first distributed computing apparatus based on the FL performance of the first distributed computing apparatus; and notify a wireless network, via a message, of configuring wireless resources for the first distributed computing apparatus based on the wireless resource requirements.Type: ApplicationFiled: March 15, 2021Publication date: April 6, 2023Applicant: Sony Group CorporationInventors: Chen SUN, Songtao WU, Kuanhong XU
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Patent number: 11597853Abstract: Bioactive coatings that are stabilized against inactivation by weathering are provided including a base associated with a chemically modified enzyme, and, optionally a first polyoxyethylene present in the base and independent of the enzyme. The coatings are optionally overlayered onto a substrate to form an active coating facilitating the removal of organic stains or organic material from food, insects, or the environment.Type: GrantFiled: January 26, 2019Date of Patent: March 7, 2023Assignees: Toyota Motor Corporation, Regents of the University of MinnesotaInventors: Hongfei Jia, Ping Wang, Liting Zhang, Andreas Buthe, Xueyan Zhao, Songtao Wu, Masahiko Ishii, Minjuan Zhang