Patents by Inventor Joseph Walish
Joseph Walish 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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Patent number: 10370477Abstract: The present invention provides polymeric materials arranged as photonic crystals, or portions of photonic crystals, having properties which can be easily tuned over a large range of wavelengths upon exposure to an external stimulus. In some embodiments, the photonic crystals comprise at least one portion which can undergo a change in a physical, chemical, dielectric, or other property upon exposure to an altering stimulus, resulting in a change in a diffracted wavelength of electromagnetic radiation (e.g, light) by the photonic crystal. Embodiments of the invention may advantageously exhibit large stop band tunability and rapid response times. Photonic crystals of the invention may be useful in a wide variety of applications, such as colorimetric sensors, active components of simple display devices, electrically controlled tunable optically pumped laser, photonic switches, multiband filters, and the like.Type: GrantFiled: May 9, 2016Date of Patent: August 6, 2019Assignee: Massachusetts Institute of TechnologyInventors: Youngjong Kang, Joseph Walish, Edwin L. Thomas
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Patent number: 9995719Abstract: Methods for depositing materials on patterned substrates, and related devices, are generally provided. In some embodiments, a material is deposited on a patterned substrate. In certain embodiments, the substrate comprises a first portion with a material deposited on the first portion and a second portion of the substrate essentially free of the material. The methods described herein may be useful in fabricating sensors, circuits, tags, among other devices. In some cases, devices for determining analytes are also provided.Type: GrantFiled: August 20, 2015Date of Patent: June 12, 2018Assignee: Massachusetts Institute of TechnologyInventors: Timothy M. Swager, Kelvin Mitchell Frazier, Katherine A. Mirica, Joseph Walish
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Patent number: 9770709Abstract: The present invention generally relates to compositions comprising and methods for forming functionalized carbon-based nanostructures.Type: GrantFiled: March 26, 2015Date of Patent: September 26, 2017Assignee: Massachusetts Institute of TechnologyInventors: Timothy M. Swager, William R. Collins, Wiktor Lewandowski, Ezequiel Schmois, Stefanie Sydlik, Joseph Walish, John B. Goods
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Publication number: 20160326295Abstract: The present invention provides polymeric materials arranged as photonic crystals, or portions of photonic crystals, having properties which can be easily tuned over a large range of wavelengths upon exposure to an external stimulus. In some embodiments, the photonic crystals comprise at least one portion which can undergo a change in a physical, chemical, dielectric, or other property upon exposure to an altering stimulus, resulting in a change in a diffracted wavelength of electromagnetic radiation (e.g, light) by the photonic crystal. Embodiments of the invention may advantageously exhibit large stop band tunability and rapid response times. Photonic crystals of the invention may be useful in a wide variety of applications, such as colorimetric sensors, active components of simple display devices, electrically controlled tunable optically pumped laser, photonic switches, multiband filters, and the like.Type: ApplicationFiled: May 9, 2016Publication date: November 10, 2016Applicant: Massachusetts Institute of TechnologyInventors: Youngjong Kang, Joseph Walish, Edwin L. Thomas
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Publication number: 20160195504Abstract: Methods for depositing materials on patterned substrates, and related devices, are generally provided. In some embodiments, a material is deposited on a patterned substrate. In certain embodiments, the substrate comprises a first portion with a material deposited on the first portion and a second portion of the substrate essentially free of the material. The methods described herein may be useful in fabricating sensors, circuits, tags, among other devices. In some cases, devices for determining analytes are also provided.Type: ApplicationFiled: August 20, 2015Publication date: July 7, 2016Applicant: Massachusetts Institute of TechnologyInventors: Timothy M. Swager, Kelvin Mitchell Frazier, Katherine A. Mirica, Joseph Walish
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Patent number: 9360604Abstract: The present invention provides polymeric materials arranged as photonic crystals, or portions of photonic crystals, having properties which can be easily tuned over a large range of wavelengths upon exposure to an external stimulus. In some embodiments, the photonic crystals comprise at least one portion which can undergo a change in a physical, chemical, dielectric, or other property upon exposure to an altering stimulus, resulting in a change in a diffracted wavelength of electromagnetic radiation (e.g, light) by the photonic crystal. Embodiments of the invention may advantageously exhibit large stop band tunability and rapid response times. Photonic crystals of the invention may be useful in a wide variety of applications, such as colorimetric sensors, active components of simple display devices, electrically controlled tunable optically pumped laser, photonic switches, multiband filters, and the like.Type: GrantFiled: June 13, 2012Date of Patent: June 7, 2016Assignee: Massachusetts Institute of TechnologyInventors: Youngjong Kang, Joseph Walish, Edwin L. Thomas
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Publication number: 20150336092Abstract: The present invention generally relates to compositions comprising and methods for forming functionalized carbon-based nanostructures.Type: ApplicationFiled: March 26, 2015Publication date: November 26, 2015Applicant: Massachusetts Institute of TechnologyInventors: Timothy M. Swager, William R. Collins, Wiktor Lewandowski, Ezequiel Schmois, Stefanie Sydlik, Joseph Walish, John B. Goods
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Patent number: 8476510Abstract: The present invention generally relates to compositions comprising and methods for forming functionalized carbon-based nanostructures.Type: GrantFiled: November 3, 2011Date of Patent: July 2, 2013Assignee: Massachusetts Institute of TechnologyInventors: Timothy M. Swager, William R. Collins, Wiktor Lewandowski, Ezequiel Schmois, Stefanie Sydlik, Joseph Walish, John B. Goods
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Publication number: 20130015417Abstract: The present invention provides polymeric materials arranged as photonic crystals, or portions of photonic crystals, having properties which can be easily tuned over a large range of wavelengths upon exposure to an external stimulus. In some embodiments, the photonic crystals comprise at least one portion which can undergo a change in a physical, chemical, dielectric, or other property upon exposure to an altering stimulus, resulting in a change in a diffracted wavelength of electromagnetic radiation (e.g, light) by the photonic crystal. Embodiments of the invention may advantageously exhibit large stop band tunability and rapid response times. Photonic crystals of the invention may be useful in a wide variety of applications, such as colorimetric sensors, active components of simple display devices, electrically controlled tunable optically pumped laser, photonic switches, multiband filters, and the like.Type: ApplicationFiled: June 13, 2012Publication date: January 17, 2013Applicant: Massachusetts Institute of TechnologyInventors: Youngjong Kang, Joseph Walish, Edwin L. Thomas
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Publication number: 20120171093Abstract: The present invention generally relates to compositions comprising and methods for forming functionalized carbon-based nanostructures.Type: ApplicationFiled: November 3, 2011Publication date: July 5, 2012Applicant: Massachusetts Institute of TechnologyInventors: Timothy M. Swager, William R. Collins, Wiktor Lewandowski, Ezequiel Schmois, Stefanie Sydlik, Joseph Walish, John B. Goods
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Publication number: 20120116094Abstract: The present invention generally relates to compositions comprising and methods for forming functionalized carbon-based nanostructures.Type: ApplicationFiled: November 3, 2011Publication date: May 10, 2012Applicant: Massachusetts Institute of TechnologyInventors: Timothy M. Swager, William R. Collins, Wiktor Lewandowski, Ezequiel Schmois, Stefanie Sydlik, Joseph Walish, John B. Goods
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Publication number: 20090086208Abstract: The present invention provides polymeric materials arranged as photonic crystals, or portions of photonic crystals, having properties which can be easily tuned over a large range of wavelengths upon exposure to an external stimulus. In some embodiments, the photonic crystals comprise at least one portion which can undergo a change in a physical, chemical, dielectric, or other property upon exposure to an altering stimulus, resulting in a change in a diffracted wavelength of electromagnetic radiation (e.g, light) by the photonic crystal. Embodiments of the invention may advantageously exhibit large stop band tunability and rapid response times. Photonic crystals of the invention may be useful in a wide variety of applications, such as colorimetric sensors, active components of simple display devices, electrically controlled tunable optically pumped laser, photonic switches, multiband filters, and the like.Type: ApplicationFiled: September 26, 2008Publication date: April 2, 2009Applicant: Massachusetts Institute of TechnologyInventors: Youngjong Kang, Joseph Walish, Edwin L. Thomas
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Publication number: 20050260093Abstract: The present invention relates to the fabrication of low cost, in situ, porous metallic, ceramic and cermet foam structures having improved mechanical properties such as energy absorption and specific stiffness. Methods of fabricating the structures from compositions including ceramic and/or metallic powders are provided. The flowable compositions also include an immiscible phase that results in pores within the final structure. Furthermore, the structures may be shaped to have external porosity, such as with mesh-like structures.Type: ApplicationFiled: January 28, 2005Publication date: November 24, 2005Applicant: Advanced Ceramics Research, Inc.Inventors: Gregory Artz, K. Vaidyanathan, Michael Fulcher, Mark Rigali, John Lombardi, Joseph Walish, Ronald Cipriani
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Publication number: 20050230029Abstract: A process for continuous composite coextrusion comprising: (a) forming first a material-laden composition comprising a thermoplastic polymer and at least about 40 volume % of a ceramic or metallic particulate in a manner such that the composition has a substantially cylindrical geometry and thus can be used as a substantially cylindrical feed rod; (b) forming a hole down the symmetrical axis of the feed rod; (c) inserting the start of a continuous spool of ceramic fiber, metal fiber or carbon fiber through the hole in the feed rod; (d) extruding the feed rod and spool simultaneously to form a continuous filament consisting of a green matrix material completely surrounding a dense fiber reinforcement and said filament having an average diameter that is less than the average diameter of the feed rod; and (e) depositing the continuous filament into a desired architecture which preferably is determined from specific loading conditions of the desired object and CAD design of the object to provide a green fiber reiType: ApplicationFiled: May 17, 2005Publication date: October 20, 2005Applicant: Advanced Ceramics Research, Inc.Inventors: K. Vaidyanathan, Joseph Walish, Mark Fox, John Gillespie, Shridhar Yarlagadda, Michael Effinger, Anthony Mulligan, Mark Rigali
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Publication number: 20050116136Abstract: The present invention relates to a low density, water-soluble coring and tooling material used for the fabrication of composite parts. One aspect of the present invention relates to a lightweight, strong composite coring material that can be easily shaped and removed from cured composite parts. Another aspect of the present invention relates to a lightweight, strong composite tooling material that is easily tailored to provide a specific coefficient of thermal expansion and thermal conductivity, thus providing a tooling material that can be matched to the composite structure and material being fabricated.Type: ApplicationFiled: October 14, 2004Publication date: June 2, 2005Applicant: Advanced Ceramics Research, Inc.Inventors: Gregory Artz, John Lombardi, K. Vaidyanathan, Joseph Walish
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Patent number: 6899777Abstract: A process for continuous composite coextrusion comprising: (a) forming first a material-laden composition comprising a thermoplastic polymer and at least about 40 volume % of a ceramic or metallic particulate in a manner such that the composition has a substantially cylindrical geometry and thus can be used as a substantially cylindrical feed rod; (b) forming a hole down the symmetrical axis of the feed rod; (c) inserting the start of a continuous spool of ceramic fiber, metal fiber or carbon fiber through the hole in the feed rod; (d) extruding the feed rod and spool simultaneously to form a continuous filament consisting of a green matrix material completely surrounding a dense fiber reinforcement and said filament having an average diameter that is less than the average diameter of the feed rod; and (e) depositing the continuous filament into a desired architecture which preferably is determined from specific loading conditions of the desired object and CAD design of the object to provide a green fiber reiType: GrantFiled: January 2, 2002Date of Patent: May 31, 2005Assignee: Advanced Ceramics Research, Inc.Inventors: K. Ranji Vaidyanathan, Joseph Walish, Mark Fox, John W. Gillespie, Jr., Shridhar Yarlagadda, Michael R. Effinger, Anthony C. Mulligan, Mark J. Rigali
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Patent number: 6852272Abstract: The present invention relates to the fabrication of low cost, in situ, porous metallic, ceramic and cermet foam structures having improved mechanical properties such as energy absorption and specific stiffness. Methods of fabricating the structures from compositions including ceramic and/or metallic powders are provided. The flowable compositions also include an immiscible phase that results in pores within the final structure. Furthermore, the structures may be shaped to have external porosity, such as with mesh-like structures.Type: GrantFiled: January 27, 2003Date of Patent: February 8, 2005Assignee: Advanced Ceramics Research, Inc.Inventors: Gregory Artz, K. Ranji Vaidyanathan, Michael L. Fulcher, Mark J. Rigali, John L. Lombardi, Joseph Walish, Ronald A. Cipriani
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Patent number: 6828373Abstract: The present invention relates to a low density, water-soluble coring and tooling material used for the fabrication of composite parts. One aspect of the present invention relates to a lightweight, strong composite coring material that can be easily shaped and removed from cured composite parts. Another aspect of the present invention relates to a lightweight, strong composite tooling material that is easily tailored to provide a specific coefficient of thermal expansion and thermal conductivity, thus providing a tooling material that can be matched to the composite structure and material being fabricated.Type: GrantFiled: March 6, 2002Date of Patent: December 7, 2004Assignee: Advanced Ceramics Research, Inc.Inventors: Gregory J. Artz, John L. Lombardi, K. Ranji Vaidyanathan, Joseph Walish
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Publication number: 20030180171Abstract: The present invention relates to the fabrication of low cost, in situ, porous metallic, ceramic and cermet foam structures having improved mechanical properties such as energy absorption and specific stiffness. Methods of fabricating the structures from compositions including ceramic and/or metallic powders are provided. The flowable compositions also include an immiscible phase that results in pores within the final structure. Furthermore, the structures may be shaped to have external porosity, such as with mesh-like structures.Type: ApplicationFiled: January 27, 2003Publication date: September 25, 2003Applicant: Advanced Ceramics Research, Inc.Inventors: Gregory Artz, K. Ranji Vaidyanathan, Michael L. Fulcher, Mark J. Rigali, John L. Lombardi, Joseph Walish, Ronald A. Cipriani
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Publication number: 20030044593Abstract: A process for continuous composite coextrusion comprising: (a) forming first a material-laden composition comprising a thermoplastic polymer and at least about 40 volume % of a ceramic or metallic particulate in a manner such that the composition has a substantially cylindrical geometry and thus can be used as a substantially cylindrical feed rod; (b) forming a hole down the symmetrical axis of the feed rod; (c) inserting the start of a continuous spool of ceramic fiber, metal fiber or carbon fiber through the hole in the feed rod; (d) extruding the feed rod and spool simultaneously to form a continuous filament consisting of a green matrix material completely surrounding a dense fiber reinforcement and said filament having an average diameter that is less than the average diameter of the feed rod; and (e) depositing the continuous filament into a desired architecture which preferably is determined from specific loading conditions of the desired object and CAD design of the object to provide a green fiber reiType: ApplicationFiled: January 2, 2002Publication date: March 6, 2003Inventors: K. Ranji Vaidyanathan, Joseph Walish, Mark Fox, John W. Gillespie, Shridhar Yarlagadda, Michael R. Effinger, Anthony C. Mulligan, Mark J. Rigali