Patents by Inventor Allen Chen
Allen 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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Patent number: 8828720Abstract: We disclose a particle comprising a matrix coated thereon and having a positive charge, the particle being of a size to allow aggregation of primate or human stem cells attached thereto. The particle may comprise a substantially elongate, cylindrical or rod shaped particle having a longest dimension of between 50 ?m and 400 ?m, such as about 200 ?m. It may have a cross sectional dimension of between 20 ?m and 30 ?m. The particle may comprise a substantially compact or spherical shaped particle having a size of between about 20 ?m and about 120 ?m, for example about 65 ?m. We also disclose a method of propagating primate or human stem cells, the method comprising: providing first and second primate or human stem cells attached to first and second respective particles, allowing the first primate or human stem cell to contact the second primate or human stem cell to form an aggregate of cells and culturing the aggregate to propagate the primate or human stem cells for at least one passage.Type: GrantFiled: November 18, 2010Date of Patent: September 9, 2014Assignee: Agency for Science, Technology and ResearchInventors: Steve Oh, Shaul Reuveny, Allen Chen
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Publication number: 20140193903Abstract: We disclose a particle comprising a matrix coated thereon and having a positive charge, the particle being of a size to allow aggregation of primate or human stem cells attached thereto. The particle may comprise a substantially elongate, cylindrical or rod shaped particle having a longest dimension of between 50 ?m and 400 ?m, such as about 200 ?m. It may have a cross sectional dimension of between 20 ?m and 30 ?m. The particle may comprise a substantially compact or spherical shaped particle having a size of between about 20 ?m and about 120 ?m, for example about 65 ?m. We also disclose a method of propagating primate or human stem cells, the method comprising: providing first and second primate or human stem cells attached to first and second respective particles, allowing the first primate or human stem cell to contact the second primate or human stem cell to form an aggregate of cells and culturing the aggregate to propagate the primate or human stem cells for at least one passage.Type: ApplicationFiled: December 19, 2013Publication date: July 10, 2014Applicant: Agency for Science, Technology and ResearchInventors: Steve Oh, Marti Lecina, Andre Choo, Shaul Reuveny, Robert Zweigert, Allen Chen
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Patent number: 8716018Abstract: We disclose a particle comprising a matrix coated thereon and having a positive charge, the particle being of a size to allow aggregation of primate or human stem cells attached thereto. The particle may comprise a substantially elongate, cylindrical or rod shaped particle having a longest dimension of between 50 ?m and 400 ?m, such as about 200 ?m. It may have a cross sectional dimension of between 20 ?m and 30 ?m. The particle may comprise a substantially compact or spherical shaped particle having a size of between about 20 ?m and about 120 ?m, for example about 65 ?m. We also disclose a method of propagating primate or human stem cells, the method comprising: providing first and second primate or human stem cells attached to first and second respective particles, allowing the first primate or human stem cell to contact the second primate or human stem cell to form an aggregate of cells and culturing the aggregate to propagate the primate or human stem cells for at least one passage.Type: GrantFiled: March 17, 2009Date of Patent: May 6, 2014Assignee: Agency for Science, Technology and ResearchInventors: Steve Oh, Marti Lecina, Andre Choo, Shaul Reuveny, Robert Zweigert, Allen Chen
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Patent number: 8691569Abstract: We disclose a particle comprising a matrix coated thereon and having a positive charge, the particle being of a size to allow aggregation of primate or human stem cells attached thereto. The particle may comprise a substantially elongate, cylindrical or rod shaped particle having a longest dimension of between 50 ?m and 400 ?m, such as about 200 ?m. It may have a cross sectional dimension of between 20 ?m and 30 ?m. The particle may comprise a substantially compact or spherical shaped particle having a size of between about 20 ?m and about 120 ?m, for example about 65 ?m. We also disclose a method of propagating primate or human stem cells, the method comprising: providing first and second primate or human stem cells attached to first and second respective particles, allowing the first primate or human stem cell to contact the second primate or human stem cell to form an aggregate of cells and culturing the aggregate to propagate the primate or human stem cells for at least one passage.Type: GrantFiled: November 1, 2010Date of Patent: April 8, 2014Assignee: Agency for Science, Technology and ResearchInventors: Steve Oh, Shaul Reuveny, Allen Chen
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Patent number: 8637309Abstract: We disclose a particle comprising a matrix coated thereon and having a positive charge, the particle being of a size to allow aggregation of primate or human stem cells attached thereto. The particle may comprise a substantially elongate, cylindrical or rod shaped particle having a longest dimension of between 50 ?m and 400 ?m, such as about 200 ?m. It may have a cross sectional dimension of between 20 ?m and 30 ?m. The particle may comprise a substantially compact or spherical shaped particle having a size of between about 20 ?m and about 120 ?m, for example about 65 ?m. We also disclose a method of propagating primate or human stem cells, the method comprising: providing first and second primate or human stem cells attached to first and second respective particles, allowing the first primate or human stem cell to contact the second primate or human stem cell to form an aggregate of cells and culturing the aggregate to propagate the primate or human stem cells for at least one passage.Type: GrantFiled: August 16, 2011Date of Patent: January 28, 2014Assignee: Agency for Science, Technology and ResearchInventors: Steve Oh, Marti Lecina, Andre Choo, Shaul Reuveny, Robert Zweigert, Allen Chen
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Publication number: 20120219531Abstract: The present application discloses a method of generating bone tissue in vivo comprising implanting cells into a human or animal at a location where bone growth is required, wherein the cells have been obtained by the in vitro suspension culture of mesenchymal stem cells attached to microcarriers.Type: ApplicationFiled: November 15, 2011Publication date: August 30, 2012Applicants: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, NATIONAL UNIVERSITY OF SINGAPORE, KK WOMEN'S AND CHILDREN'S HOSPITALInventors: Steve Oh, Shaul Reuveny, Allen Chen, Jerry Kok Yen Chan, Zhiyong Zhang
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Patent number: 8118711Abstract: A treadmill is provided with a security apparatus. The security apparatus includes a plug and a socket. The plug includes a casing and a conductive card. The conductive card includes a first portion disposed in the casing and a second portion extended from the casing. The socket includes a casing and two conductive elements. The casing includes a slot defined therein. The conductive elements are disposed in the casing so that the conductive elements are isolated from each other normally but connected to each other through the conductive card when the conductive card is inserted into the casing through the slot.Type: GrantFiled: March 24, 2009Date of Patent: February 21, 2012Inventor: Allen Chen
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Publication number: 20120028352Abstract: We disclose a particle comprising a matrix coated thereon and having a positive charge, the particle being of a size to allow aggregation of primate or human stem cells attached thereto. The particle may comprise a substantially elongate, cylindrical or rod shaped particle having a longest dimension of between 50 ?m and 400 ?m, such as about 200 ?m. It may have a cross sectional dimension of between 20 ?m and 30 ?m. The particle may comprise a substantially compact or spherical shaped particle having a size of between about 20 ?m and about 120 ?m, for example about 65 ?m. We also disclose a method of propagating primate or human stem cells, the method comprising: providing first and second primate or human stem cells attached to first and second respective particles, allowing the first primate or human stem cell to contact the second primate or human stem cell to form an aggregate of cells and culturing the aggregate to propagate the primate or human stem cells for at least one passage.Type: ApplicationFiled: August 4, 2011Publication date: February 2, 2012Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Steve Oh, Shaul Reuveny, Allen Chen, William Richard Nicholas Birch
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Publication number: 20120009645Abstract: A method is disclosed for culturing pluripotent or multipotent cells in vitro, the method comprising attaching pluripotent or multipotent cells to a plurality of microcarriers to form microcarrier-cell complexes, and culturing the microcarrier-cell complexes in suspension culture in the presence of a ROCK inhibitor.Type: ApplicationFiled: March 12, 2010Publication date: January 12, 2012Applicant: AGENCY FOR SCIENCE, TECHNOLOGY, AND RESEARCHInventors: Steve Oh, Allen Chen, Andre Choo, Shaul Reuveny
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Publication number: 20110294210Abstract: We disclose a particle comprising a matrix coated thereon and having a positive charge, the particle being of a size to allow aggregation of primate or human stem cells attached thereto. The particle may comprise a substantially elongate, cylindrical or rod shaped particle having a longest dimension of between 50 ?m and 400 ?m, such as about 200 ?m. It may have a cross sectional dimension of between 20 ?m and 30 ?m. The particle may comprise a substantially compact or spherical shaped particle having a size of between about 20 ?m and about 120 ?m, for example about 65 ?m. We also disclose a method of propagating primate or human stem cells, the method comprising: providing first and second primate or human stem cells attached to first and second respective particles, allowing the first primate or human stem cell to contact the second primate or human stem cell to form an aggregate of cells and culturing the aggregate to propagate the primate or human stem cells for at least one passage.Type: ApplicationFiled: August 16, 2011Publication date: December 1, 2011Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Steve Oh, Marti Lecina, Andre Choo, Shaul Reuveny, Robert Zweigert, Allen Chen
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Publication number: 20110143433Abstract: We disclose a particle comprising a matrix coated thereon and having a positive charge, the particle being of a size to allow aggregation of primate or human stem cells attached thereto. The particle may comprise a substantially elongate, cylindrical or rod shaped particle having a longest dimension of between 50 ?m and 400 ?m, such as about 200 ?m. It may have a cross sectional dimension of between 20 ?m and 30 ?m. The particle may comprise a substantially compact or spherical shaped particle having a size of between about 20 ?m and about 120 ?m, for example about 65 ?m. We also disclose a method of propagating primate or human stem cells, the method comprising: providing first and second primate or human stem cells attached to first and second respective particles, allowing the first primate or human stem cell to contact the second primate or human stem cell to form an aggregate of cells and culturing the aggregate to propagate the primate or human stem cells for at least one passage.Type: ApplicationFiled: November 1, 2010Publication date: June 16, 2011Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Steve Oh, Shaul Reuveny, Allen Chen
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Publication number: 20110129919Abstract: We disclose a particle comprising a matrix coated thereon and having a positive charge, the particle being of a size to allow aggregation of primate or human stem cells attached thereto. The particle may comprise a substantially elongate, cylindrical or rod shaped particle having a longest dimension of between 50 ?m and 400 ?m, such as about 200 ?m. It may have a cross sectional dimension of between 20 ?m and 30 ?m. The particle may comprise a substantially compact or spherical shaped particle having a size of between about 20 ?m and about 120 ?m, for example about 65 ?m. We also disclose a method of propagating primate or human stem cells, the method comprising: providing first and second primate or human stem cells attached to first and second respective particles, allowing the first primate or human stem cell to contact the second primate or human stem cell to form an aggregate of cells and culturing the aggregate to propagate the primate or human stem cells for at least one passage.Type: ApplicationFiled: November 1, 2010Publication date: June 2, 2011Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Steve Oh, Shaul Reuveny, Allen Chen
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Publication number: 20110111498Abstract: We disclose a particle comprising a matrix coated thereon and having a positive charge, the particle being of a size to allow aggregation of primate or human stem cells attached thereto. The particle may comprise a substantially elongate, cylindrical or rod shaped particle having a longest dimension of between 50 ?m and 400 ?m, such as about 200 ?m. It may have a cross sectional dimension of between 20 ?m and 30 ?m. The particle may comprise a substantially compact or spherical shaped particle having a size of between about 20 ?m and about 120 ?m, for example about 65 ?m. We also disclose a method of propagating primate or human stem cells, the method comprising: providing first and second primate or human stem cells attached to first and second respective particles, allowing the first primate or human stem cell to contact the second primate or human stem cell to form an aggregate of cells and culturing the aggregate to propagate the primate or human stem cells for at least one passage.Type: ApplicationFiled: November 18, 2010Publication date: May 12, 2011Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Steve Oh, Shaul Reuveny, Allen Chen
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Publication number: 20110014693Abstract: We disclose a particle comprising a matrix coated thereon and having a positive charge, the particle being of a size to allow aggregation of primate or human stem cells attached thereto. The particle may comprise a substantially elongate, cylindrical or rod shaped particle having a longest dimension of between 50 ?m and 400 ?m, such as about 200 ?m. It may have a cross sectional dimension of between 20 ?m and 30 ?m. The particle may comprise a substantially compact or spherical shaped particle having a size of between about 20 ?m and about 120 ?m, for example about 65 ?m. We also disclose a method of propagating primate or human stem cells, the method comprising: providing first and second primate or human stem cells attached to first and second respective particles, allowing the first primate or human stem cell to contact the second primate or human stem cell to form an aggregate of cells and culturing the aggregate to propagate the primate or human stem cells for at least one passage.Type: ApplicationFiled: March 17, 2009Publication date: January 20, 2011Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Steve Oh, Marti Lecina, Andre Choo, Shaul Reuveny, Robert Zweigert, Allen Chen
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Publication number: 20100248898Abstract: A treadmill is provided with a security apparatus. The security apparatus includes a plug and a socket. The plug includes a casing and a conductive card. The conductive card includes a first portion disposed in the casing and a second portion extended from the casing. The socket includes a casing and two conductive elements. The casing includes a slot defined therein. The conductive elements are disposed in the casing so that the conductive elements are isolated from each other normally but connected to each other through the conductive card when the conductive card is inserted into the casing through the slot.Type: ApplicationFiled: March 24, 2009Publication date: September 30, 2010Inventor: Allen Chen
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Publication number: 20100093053Abstract: We disclose a particle comprising a matrix coated thereon and having a positive charge, the particle being of a size to allow aggregation of primate or human stem cells attached thereto. The particle may comprise a substantially elongate, cylindrical or rod shaped particle having a longest dimension of between 50 ?m and 400 ?m, such as about 200 ?m. It may have a cross sectional dimension of between 20 ?m and 30 ?m. The particle may comprise a substantially compact or spherical shaped particle having a size of between about 20 ?m and about 120 ?m, for example about 65 ?m. We also disclose a method of propagating primate or human stem cells, the method comprising: providing first and second primate or human stem cells attached to first and second respective particles, allowing the first primate or human stem cell to contact the second primate or human stem cell to form an aggregate of cells and culturing the aggregate to propagate the primate or human stem cells for at least one passage.Type: ApplicationFiled: July 3, 2009Publication date: April 15, 2010Applicant: Agency for Science, Technology and ResearchInventors: Steve Oh, Marti Lecina, Andre Choo, Shaul Reuveny, Robert Zweigert, Allen Chen
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Publication number: 20080034211Abstract: Embodiments of the invention provide systems and methods for validating ownership of a domain name. According to one embodiment, a validating ownership of a domain name can comprise retrieving one or more domain name ownership records. For example, the one or more domain name ownership records comprise Who Is records. Validity of the one or more domain name records can be confirmed with a designated domain manager. According to one embodiment, confirming validity of the one or more domain name records with the designated domain manager can comprise authenticating the designated domain manager based on a certificate provided by the designated domain manager.Type: ApplicationFiled: March 13, 2007Publication date: February 7, 2008Applicant: MarkMonitor Inc.Inventors: Mark Shull, Ihab Shraim, David Silver, Allen Chen, Elisa Cooper
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Publication number: 20060223934Abstract: Processes for generating aqueous dispersions for use in the emulsion/aggregation technique, by combining crystalline polyester resin, amorphous polyester resin and water, heating and agitating the mixture and generating an aqueous dispersion containing both crystalline polyester resin particles and amorphous polyester resin particles.Type: ApplicationFiled: March 31, 2005Publication date: October 5, 2006Applicant: XEROX CORPORATIONInventors: Allen Chen, Tie Ng, Paul Szabo
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Patent number: 7028477Abstract: A plurality of metallic members are laminated via corresponding insulating members to form a metallic layered structure. Then, an energy beam is irradiated onto the metallic layered structure to generate an electric energy through the interactions between the metallic members of the metallic layered structure and the energy beam. The electric energy is extracted from the metallic layered structure. The metallic members are made of at least two kinds of metallic materials with respective different atomic numbers.Type: GrantFiled: August 25, 2004Date of Patent: April 18, 2006Assignee: National University Corporation Nagoya UniversityInventors: Tomoko Yoshida, Tetsuo Tanabe, Allen Chen
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Patent number: D607531Type: GrantFiled: May 21, 2009Date of Patent: January 5, 2010Inventor: Allen Chen