Patents by Inventor Tung Li
Tung Li 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: 7929900Abstract: A waste toner cartridge includes a housing and a plug. The housing has a recessed bottom wall and a periphery wall integrally connected with the bottom wall to define an accommodation recess therebetween and provided with a flange having an arc section and two restricting portions respectively extending from two ends of the arc section. The plug has a body portion received in the accommodation recess, and an anchor portion extending axially from the body portion. The body portion of the plug has an outer diameter larger than a distance between the restricting sections of the flange, and the anchor portion of the plug has a radius larger than a radius of curvature of the arc section of the flange such that the plug can be firmly retained in the accommodation recess of the housing when the plug is not in use.Type: GrantFiled: March 23, 2010Date of Patent: April 19, 2011Assignee: General Plastic Industrial Co., Ltd.Inventors: Kuan-Tung Li, Han-Ju Wu
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Publication number: 20110021754Abstract: This invention relates to a sheet membrane for repairing a damaged tissue. The membrane includes an isotropic layer of cross-linked biopolymeric fibers in which the fibers are 10 to 1,000 cm in length. This invention also relates to a method of making an isotropic layer of cross-linked biopolymeric fibers. The method includes: (1) coacervating biopolymeric fibers (e.g., collagen-based fibers) having lengths of less than 1 cm dispersed in an aqueous solution to obtain coacervated biopolymeric fibers having lengths of 10 to 1,000 cm; (2) flattening the coacervated biopolymeric fibers into a layer; (3) drying the layer; and (4) cross-linking the biopolymeric.Type: ApplicationFiled: October 4, 2010Publication date: January 27, 2011Applicant: Collagen Matrix, Inc.Inventors: Shu-Tung Li, Debbie Yuen, Peggy Hansen
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Publication number: 20100321660Abstract: An apparatus includes a radiation source that emits a radiation beam that causes substantially all of a quantity of material to evaporate; and structure having first and second surface portions, a first operational mode wherein a greater quantity of a byproduct of the evaporation impinges on the first surface portion, and a second operational mode wherein a greater quantity of the byproduct impinges on the second surface portion. A different aspect involves emitting a radiation beam toward a quantity of material, the radiation beam causing substantially all of the quantity of material to evaporate; operating a structure having first and second surface portions in a first operational mode wherein a greater quantity of a byproduct of the evaporation impinges on the first surface portion; and thereafter operating the structure in a second operational mode wherein a greater quantity of the byproduct impinges on the second surface portion.Type: ApplicationFiled: June 17, 2009Publication date: December 23, 2010Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Jui-Chun Peng, Heng-Jen Lee, Tung-Li Wu, I-Hsiung Huang
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Patent number: 7817944Abstract: A powder-delivering device includes a tapered shell received in a toner cartridge near an outlet of the toner cartridge. The tapered shell has a transection area becoming smaller gradually toward the outlet of the toner cartridge. The tapered shell has an outer surface having at least one projection or at least one recess. The projection of the tapered shell has a spiral or linear shape. The projection has an end, which is remote from the outlet of the toner cartridge, stopped against an inner wall of the toner cartridge. Thus, the powder-delivering device of the invention has simple structure and low product costs.Type: GrantFiled: November 13, 2007Date of Patent: October 19, 2010Assignee: General Plastic Industrial Co., Ltd.Inventor: Kuan-Tung Li
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Patent number: 7807192Abstract: This invention relates to a sheet membrane for repairing a damaged tissue. The membrane includes an isotropic layer of cross-linked biopolymeric fibers in which the fibers are 10 to 1,000 cm in length. This invention also relates to a method of making an isotropic layer of cross-linked biopolymeric fibers. The method includes: (1) coacervating biopolymeric fibers (e.g., collagen-based fibers) having lengths of less than 1 cm dispersed in an aqueous solution to obtain coacervated biopolymeric fibers having lengths of 10 to 1,000 cm; (2) flattening the coacervated biopolymeric fibers into a layer; (3) drying the layer; and (4) cross-linking the biopolymeric.Type: GrantFiled: October 22, 2004Date of Patent: October 5, 2010Assignee: Collagen Matrix, Inc.Inventors: Shu-Tung Li, Debbie Yuen, Peggy Hansen
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Publication number: 20100247773Abstract: Provided is a method for processing a wafer that includes providing an alloy susceptor including an exterior surface and a wafer contact surface. The exterior surface of the alloy susceptor is treated to produce a roughness of the exterior surface. The roughened exterior surface of is coated with a ceramic material. The alloy susceptor including the ceramic-coated roughened exterior surface is positioned in a wafer process chamber. A plurality of layers of a film are deposited on the ceramic-coated roughened exterior surface of the alloy susceptor, wherein a first adhesion exists between the plurality of layers of the film and the ceramic material coated on the roughened exterior surface of the alloy susceptor that is greater than a second adhesion that would exist between the plurality of layers of the film and a non-roughened exterior surface of the alloy susceptor without the ceramic material.Type: ApplicationFiled: March 26, 2009Publication date: September 30, 2010Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Shuo-Jieh Wu, Hsu Chun Yuan, Tung-Li Lee, Steven Lin, Hs Chiu, Yen-Yu Chen, Alan Chen, Ming Jie He, Yu-Wei Hsueh
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Publication number: 20100166823Abstract: The present invention relates to a conformable and semi-permeable biopolymeric membrane suitable for tissue repair and protection. This membrane contains a first layer made from randomly oriented, reconstituted biopolymer fibers and, on top of the first layer, a coating layer made from biopolymer fibers.Type: ApplicationFiled: December 30, 2008Publication date: July 1, 2010Applicant: COLLAGEN MATRIX, INC.Inventors: Shu-Tung Li, Natsuyo Shishido Lee, Debbie Yuen
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Publication number: 20100055149Abstract: A re-rollable membrane for wrapping around and protecting a cylindrical tissue having an injury site. The membrane includes a sheet of a porous matrix formed of cross-linked biopolymeric fibers. In one implementation, the sheet can be spirally rolled so that at least one portion overlaps another portion of the sheet and, upon absorption of a fluid, the overlapping portions adhere to each other closely so as to exclude penetration of cells. In another implementation, the sheet can be helically rolled to form a helix having a pitch of 2 mm to 40 mm and an inner diameter of 1 mm to 50 mm. Also disclosed are methods for making and using such re-rollable membranes.Type: ApplicationFiled: September 3, 2008Publication date: March 4, 2010Applicant: Collagen Matrix, Inc.Inventors: Shu-Tung Li, Debbie Yuen
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Patent number: 7577386Abstract: A toner cartridge includes a container defining a central axis and a toner-guiding member. The container is provided at one end thereof with an opening having a radius. The toner-guiding member is provided with an annular connecting portion connected with the container, an outlet at one end thereof, a longitudinally-extending portion at the other end thereof extending into the container through the opening, an inlet formed on the longitudinally-extending portion, and a flexible scraping piece mounted on the longitudinally-extending portion and adjacent to the inlet. The scraping piece has a distal end defining with the central axis a distance longer than the radius of the opening, such that the toner in the container can be substantially fully discharged out of the toner cartridge so as to lower the residual quantity of toner in the toner cartridge.Type: GrantFiled: May 1, 2007Date of Patent: August 18, 2009Assignee: General Plastic Industrial Co., Ltd.Inventors: Kuan-Tung Li, Chun-Tien Liu, Yueh-Chun Lee
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Patent number: 7548715Abstract: A container for a toner cartridge includes a hollow main body defining a longitudinal central axis. The main body has a first section near a rear end thereof, a second section near a front end thereof, a connecting section between the first and second sections, a longitudinal rib extending from the first section to the second section via the connecting section. The radii of cross sections of the first and second sections respectively gradually increase toward the front end of the main body. The longitudinal rib has a third guiding surface defining with the central axis a distance shorter than the radius of a cross section of the connecting section. The container can effectively move the toner accommodated inside the container from the rear end toward the front end. A mold for the container is easy to manufacture, resulting in cost reduction in manufacturing.Type: GrantFiled: April 26, 2007Date of Patent: June 16, 2009Assignee: General Plastic Industrial Co., Ltd.Inventors: Kuan-Tung Li, Chun-Tien Liu, Yueh-Chun Lee
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Patent number: 7544212Abstract: A bone implant composite comprising a collagen matrix and a calcium-based mineral, the calcium-based mineral having a particle size of 25-2000 ?m and being interspersed in the collagen matrix; wherein the bone implant composite contains 3-60% by weight the collagen matrix and 40-97% by weight the calcium-based mineral, and has a pore size of 50-500 ?m, a density range of 0.02-0.8 g/cm3, a tensile strength range of 0.4-100 kg/cm2, and a compression modulus range of 0.2-10 kg/cm2. Also disclosed are methods of preparing the above-described composite.Type: GrantFiled: February 11, 2008Date of Patent: June 9, 2009Assignee: Collagen Matrix, Inc.Inventors: Shu-tung Li, Debbie Yuen, Hui-chen Chen
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Publication number: 20090112317Abstract: This invention relates to a method for preparing a porous bone implant containing a calcium-based mineral. The method includes immersing a porous matrix in an acidic solution containing a calcium-based mineral; removing the matrix from the solution; and exposing the matrix to an alkali to neutralize the acidic solution, thereby causing precipitation of the calcium-based mineral to obtain a porous bone implant containing a calcium-based mineral.Type: ApplicationFiled: October 25, 2007Publication date: April 30, 2009Applicant: Collagen Matrix, Inc.Inventors: Shu-tung Li, Debbie Yuen, Hui-chen Chen
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Patent number: 7522867Abstract: A container for a toner cartridge includes a hollow main body defining a longitudinal central axis. The main body has a rear end, a front end with an opening, an inner circumference, a first section with a first guiding surface at the inner circumference, a second section with a second guiding surface at the inner circumference, a connecting section between the first section and the second section, and a guiding rib disposed at the inner circumference. The first guiding surface defines with the central axis a distance gradually increasing toward the opening and the second guiding surface defines with the central axis a distance gradually increasing toward the opening. The guiding rib extends from the first section to the second section via the connecting section and is unparallel to the central axis. The container has the advantages of being easy in manufacturing and hard to deform.Type: GrantFiled: April 12, 2007Date of Patent: April 21, 2009Assignee: General Plastic Industrial Co., Ltd.Inventors: Kuan-Tung Li, Chun-Tien Liu, Yueh-Chun Lee
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Publication number: 20090097885Abstract: A powder-delivering device includes a tapered shell received in a toner cartridge near an outlet of the toner cartridge. The tapered shell has a transection area becoming smaller gradually toward the outlet of the toner cartridge. The tapered shell has an outer surface having at least one projection or at least one recess. The projection of the tapered shell has a spiral or linear shape. The projection has an end, which is remote from the outlet of the toner cartridge, stopped against an inner wall of the toner cartridge. Thus, the powder-delivering device of the invention has simple structure and low product costs.Type: ApplicationFiled: November 13, 2007Publication date: April 16, 2009Applicant: General Plastic Industrial Co., LTD.Inventor: Kuan-Tung LI
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Patent number: 7518129Abstract: A method for identifying a drifted dose integrator in an implantation system and an implantation system are provided. The implantation system includes a first dose integrator and a second dose integrator. The first dose integrator includes a first input configured to receive a first current generated from charges carried by implanted ions in a wafer, and a first output configured to output a first accumulated dosage value. The second dose integrator includes a second dose integrator including a second input configured to receive a second current generated from the charges carried by the implanted ions in the wafer, and a second output configured to output a second accumulated dosage value. The implantation system further includes a processing unit comparing the first accumulated dosage value and the second accumulated dosage value to detect a drift in one of the first and the second dose integrators.Type: GrantFiled: May 3, 2006Date of Patent: April 14, 2009Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jih-Hwa Wang, Otto Chen, Fang-Chi Chien, Tung-Li Lee, Pu-Fang Chen
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Publication number: 20080273899Abstract: A toner cartridge includes a container defining a central axis and a toner-guiding member. The container is provided at one end thereof with an opening having a radius. The toner-guiding member is provided with an annular connecting portion connected with the container, an outlet at one end thereof, a longitudinally-extending portion at the other end thereof extending into the container through the opening, an inlet formed on the longitudinally-extending portion, and a flexible scraping piece mounted on the longitudinally-extending portion and adjacent to the inlet. The scraping piece has a distal end defining with the central axis a distance longer than the radius of the opening, such that the toner in the container can be substantially fully discharged out of the toner cartridge so as to lower the residual quantity of toner in the toner cartridge.Type: ApplicationFiled: May 1, 2007Publication date: November 6, 2008Applicant: General Plastic Industrial Co., LTDInventors: Kuan-Tung Li, Chun-Tien Liu, Yueh-Chun Lee
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Patent number: 7446056Abstract: The present invention relates to a method for increasing the grain size of a polysilicon layer, which includes exposing a silicon oxide wafer in a deposition chamber to an amount, effective for the purpose, of nitrogen at a flow rate of at least about 240 standard liters per minute (slm). The instant invention further relates to a method for inhibiting the formation of a polysilicon seed in a furnace, which includes the treatment as noted above. The invention also relates to a method for forming a polysilicon layer, including: forming a silicon oxide layer on a substrate, the silicon oxide layer having a plurality of oxygen molecules therein; exposing the silicon oxide layer to a predetermined amount of nitrogen-containing gas in a furnace, whereby a plurality of nitrogen molecules in the nitrogen-containing gas replaces at least part of the oxygen molecules in the silicon oxide layer; and forming a polysilicon layer on the silicon oxide layer.Type: GrantFiled: December 1, 2005Date of Patent: November 4, 2008Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yao-Hui Huang, Tung-Li Lee, Chih-Hao Lin, Yen-Fei Lin, James Sun, Chen Pu-Fang, David Huang
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Publication number: 20080267670Abstract: A container for a toner cartridge includes a hollow main body defining a longitudinal central axis. The main body has a first section near a rear end thereof, a second section near a front end thereof, a connecting section between the first and second sections, a longitudinal rib extending from the first section to the second section via the connecting section. The radii of cross sections of the first and second sections respectively gradually increase toward the front end of the main body. The longitudinal rib has a third guiding surface defining with the central axis a distance shorter than the radius of a cross section of the connecting section. The container can effectively move the toner accommodated inside the container from the rear end toward the front end. A mold for the container is easy to manufacture, resulting in cost reduction in manufacturing.Type: ApplicationFiled: April 26, 2007Publication date: October 30, 2008Applicant: General Plastic Industrial Co., LTDInventors: Kuan-Tung LI, Chun-Tien Liu, Yueh-Chun Lee
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Publication number: 20080138119Abstract: A container for a toner cartridge includes a hollow main body defining a longitudinal central axis. The main body has a rear end, a front end with an opening, an inner circumference, a first section with a first guiding surface at the inner circumference, a second section with a second guiding surface at the inner circumference, a connecting section between the first section and the second section, and a guiding rib disposed at the inner circumference. The first guiding surface defines with the central axis a distance gradually increasing toward the opening and the second guiding surface defines with the central axis a distance gradually increasing toward the opening. The guiding rib extends from the first section to the second section via the connecting section and is unparallel to the central axis. The container has the advantages of being easy in manufacturing and hard to deform.Type: ApplicationFiled: April 12, 2007Publication date: June 12, 2008Applicant: General Plastic Industrial Co., Ltd.Inventors: Kuan-Tung Li, Chun-Tien Liu, Yueh-Chun Lee
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Publication number: 20080138381Abstract: A bone implant composite comprising a collagen matrix and a calcium-based mineral, the calcium-based mineral having a particle size of 25-2000 ?m and being interspersed in the collagen matrix; wherein the bone implant composite contains 3-60% by weight the collagen matrix and 40-97% by weight the calcium-based mineral, and has a pore size of 50-500 ?m, a density range of 0.02-0.8 g/cm3, a tensile strength range of 0.4-100 kg/cm2, and a compression modulus range of 0.2-10 kg/cm2. Also disclosed are methods of preparing the above-described composite.Type: ApplicationFiled: February 11, 2008Publication date: June 12, 2008Inventors: Shu-tung Li, Debbie Yuen, Hui-chen Chen