Patents by Inventor Yen-Chi Hsu
Yen-Chi Hsu 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: 11955519Abstract: A semiconductor device includes an epitaxial substrate. The epitaxial substrate includes a substrate. A strain relaxed layer covers and contacts the substrate. A III-V compound stacked layer covers and contacts the strain relaxed layer. The III-V compound stacked layer is a multilayer epitaxial structure formed by aluminum nitride, aluminum gallium nitride or a combination of aluminum nitride and aluminum gallium nitride.Type: GrantFiled: April 17, 2023Date of Patent: April 9, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Yu-Ming Hsu, Yu-Chi Wang, Yen-Hsing Chen, Tsung-Mu Yang, Yu-Ren Wang
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Publication number: 20230191211Abstract: A carbon-fiber composite golf club head comprises a carbon-fiber composite body, at least one carbon-fiber composite component and at least one weight component. The carbon-fiber composite body comprises a hollow body portion, one-piece formed by stacking carbon fiber prepreg materials, and a striking face portion disposed at a front end of the body portion. The at least one carbon-fiber composite component is mounted to at least one opening of one or both of a crown and a sole of the body portion. The at least one weight component is mounted at a rear end of the carbon-fiber composite body. By combining the carbon-fiber composite body, one-piece formed by carbon fiber composite material and comprising the body portion and the striking face portion, with the at least one carbon-fiber composite component, a weight of a main part of a club head is significantly reduced to increase a weight of counterweight.Type: ApplicationFiled: December 15, 2022Publication date: June 22, 2023Inventors: YEN-CHI HSU, CHI-WEN LING
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Patent number: 11673986Abstract: The present disclosure relates to an acrylic modified polyester resin, and specifically, a modified polyester resin prepared by grafting an acrylic monomer to a polyester prepolymer. The polyester prepolymer is formed from pentaerythritol, a polyol monomer, an organic polycarboxylic acid monomer and a cycloalkanedicarboxylic acid monomer and contains a double bond on its backbone. The present disclosure also relates to a method for preparing the acrylic modified polyester resin.Type: GrantFiled: June 23, 2020Date of Patent: June 13, 2023Assignee: ETERNAL MATERIALS CO., LTD.Inventors: Ping-Rui Chiang, Yen-Chi Hsu, De-You Jhang
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Publication number: 20210130524Abstract: The present disclosure relates to an acrylic modified polyester resin, and specifically, a modified polyester resin prepared by grafting an acrylic monomer to a polyester prepolymer. The polyester prepolymer is formed from pentaerythritol, a polyol monomer, an organic polycarboxylic acid monomer and a cycloalkanedicarboxylic acid monomer and contains a double bond on its backbone. The present disclosure also relates to a method for preparing the acrylic modified polyester resin.Type: ApplicationFiled: June 23, 2020Publication date: May 6, 2021Applicant: ETERNAL MATERIALS CO., LTD.Inventors: PING-RUI CHIANG, YEN-CHI HSU, DE-YOU JHANG
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Publication number: 20190388743Abstract: A composite golf club head has a head body and a striking plate. The head body has a main portion and a hosel. The main portion is made of carbon fiber composite material and is integrally formed as a single part. The hosel is formed on a front end of the main portion. The striking plate is mounted on the head body. A method of manufacture the composite golf club head comprises steps of putting a plurality of carbon fiber composite prepregs that are piled up and the striking plate into a mold assembly, closing the mold assembly to form a blank of a golf club head, using a pressure forming device to create vacuum inside the mold assembly and to heat the mold assembly to get a semi-finished if golf club head, and deburring to form the composite golf club head.Type: ApplicationFiled: June 17, 2019Publication date: December 26, 2019Inventors: Yen Chi Hsu, Chi Wen Ling
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Patent number: 8663381Abstract: A pigment is dispersed in a solvent by mixing the pigment nanoparticles with clay in a layered or platelet form and mixing the resultant mixture with the solvent. The method is based on geometric inhomogeneity and mutually exclusive aggregation. The layered or platelet clay having a high aspect ratio is provided to hinder aggregation of the pigment nanoparticles. The pigment nanoparticles can be stably dispersed in a matrix containing an organic solvent and water without aggregation again.Type: GrantFiled: July 18, 2008Date of Patent: March 4, 2014Assignee: National Taiwan UniversityInventors: Jiang-Jen Lin, Yi-Fen Lan, Yen-Chi Hsu
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Patent number: 8653147Abstract: The present invention discloses an inorganic/organic mixed component (I/O) dispersant and applications thereof, which is primarily applied to dispersing nanoparticles of metal oxides. The I/O dispersant of the present invention can be a composite of inorganic clay and an organic surfactant, a composite of inorganic clay and polyoxyalkylene-amine, or a composite of inorganic clay, polyisobutylene succinic anhydride (PIB-SA) and hydrochloric acid salt or tetraalkyl quaternary salt of polyoxyalkylene-amine, or fatty amines. By mixing with the I/O dispersant of the present invention, nanoparticles of a metal oxide can be uniformly dispersed without aggregation particularly at high solid content. The dispersion has a lower viscosity and is relatively stable in storage even at high temperature.Type: GrantFiled: November 20, 2011Date of Patent: February 18, 2014Assignee: National Taiwan UniversityInventors: Jiang-Jen Lin, Yen-Chi Hsu, Ming-Li Chiang, Chien-Chia Chu
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Patent number: 8629200Abstract: The present invention provides an organic/inorganic compositive dispersant and a method for producing the same. The compositive dispersant comprises a complex of inorganic clay and an organic surfactant. The compositive dispersant is produced by reacting inorganic clay with the organic surfactant in a solvent to generate a complex. The inorganic clay is layered or platelet. The organic surfactant is an anionic surfactant such as alkyl sulfates, or a nonionic surfactant such as octylphenol polyethoxylate and polyoxyethylene alkyl ether. The compositive dispersant may be used to produce electrolytes of a solar cell or to increase the hardness of an epoxy resin.Type: GrantFiled: December 23, 2012Date of Patent: January 14, 2014Assignee: National Taiwan UniversityInventors: Jiang-Jen Lin, Wei-Ting Chen, Yen-Chi Hsu, Chih-Wei Chiu
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Patent number: 8362092Abstract: The present invention provides an organic/inorganic compositive dispersant and a method for producing the same. The compositive dispersant comprises a complex of inorganic clay and an organic surfactant. The compositive dispersant is produced by reacting inorganic clay with the organic surfactant in a solvent to generate a complex. The inorganic clay is layered or platelet. The organic surfactant is an anionic surfactant such as alkyl sulfates, a nonionic surfactant such as octylphenol polyethoxylate and polyoxyethylene alkyl ether, or a cationic surfactant such as fatty (C12˜C32) quaternary ammonium salts and fatty (C12˜C32) quaternary ammonium chlorides.Type: GrantFiled: April 22, 2010Date of Patent: January 29, 2013Assignee: National Taiwan UniversityInventors: Jiang-Jen Lin, Wei-Ting Chen, Yen-Chi Hsu, Chih-Wei Chiu
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Publication number: 20130005918Abstract: Polymeric polyamine is produced by polymerizing polyoxyalkylene-amine and a linker. The polyoxyalkylene-amine has a structural formula H2N—R—NH2, wherein R is selected from the group consisting of dianhydride, diacid, epoxy, diisocyanate and poly(styrene-co-maleic anhydride) copolymers (SMA). The linker can be anhydride, carboxylic acid, epoxy, isocyanate or poly(styrene-co-maleic anhydride) copolymers (SMA). The polymeric polyamine so produced can be used as a stabilizer or dispersant of the Ag nanoparticles.Type: ApplicationFiled: September 12, 2012Publication date: January 3, 2013Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Jiang-Jen Lin, Wei-Cheng Tsai, Yen-Chi Hsu, Wen-Hsin Chang
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Publication number: 20120065053Abstract: The present invention discloses an inorganic/organic mixed component (I/O) dispersant and applications thereof, which is primarily applied to dispersing nanoparticles of metal oxides. The I/O dispersant of the present invention can be a composite of inorganic clay and an organic surfactant, a composite of inorganic clay and polyoxyalkylene-amine, or a composite of inorganic clay, polyisobutylene succinic anhydride (PIB-SA) and hydrochloric acid salt or tetraalkyl quaternary salt of polyoxyalkylene-amine, or fatty amines. By mixing with the I/O dispersant of the present invention, nanoparticles of a metal oxide can be uniformly dispersed without aggregation particularly at high solid content. The dispersion has a lower viscosity and is relatively stable in storage even at high temperature.Type: ApplicationFiled: November 20, 2011Publication date: March 15, 2012Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Jiang-Jen Lin, Yen-Chi Hsu, Ming-Li Chiang, Chien-Chia Chu
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Publication number: 20110288239Abstract: The present invention discloses a polymeric polyamine which can be produced by polymerizing polyoxyalkylene-amine and a linker. The linker can be anhydride, carboxylic acid, epoxy, isocyanate or poly(styrene-co-maleic anhydride) copolymers (SMA). The present invention also discloses a method for stabilizing the Ag nanoparticles with polymeric polyamine. The polymeric polyamine serving as a stabilizer or dispersant is mixed with a water solution of silver salt and then a reducer is provided to reduce the silver ions and form an organic or a water solution of Ag nanoparticles. Water or solvent of this solution can be further removed through a heating, freezing or decompression process, and thus solid content of the solution can be increased. The concentrated solution also can be diluted to obtain a stable dispersion without aggregation.Type: ApplicationFiled: August 1, 2011Publication date: November 24, 2011Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Jiang-Jen Lin, Wei-Cheng Tsai, Yen-Chi Hsu, Wen-Hsin Chang
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Patent number: 8013048Abstract: The present invention discloses a polymeric polyamine which can be produced by polymerizing polyoxyalkylene-amine and a linker. The linker can be anhydride, carboxylic acid, epoxy, isocyanate or poly(styrene-co-maleic anhydride) copolymers (SMA). The present invention also discloses a method for stabilizing the Ag nanoparticles with polymeric polyamine. The polymeric polyamine serving as a stabilizer or dispersant is mixed with a water solution of silver salt and then a reducer is provided to reduce the silver ions and form an organic or a water solution of Ag nanoparticles. Water or solvent of this solution can be further removed through a heating, freezing or decompression process, and thus solid content of the solution can be increased. The concentrated solution also can be diluted to obtain a stable dispersion without aggregation.Type: GrantFiled: June 17, 2008Date of Patent: September 6, 2011Assignee: National Taiwan UniversityInventors: Jiang-Jen Lin, Wei-Cheng Tsai, Yen-Chi Hsu, Wen-Hsin Chang
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Publication number: 20100290944Abstract: A titanium alloy for making a golf club head includes aluminum in an amount of greater than 8.0 wt % and not more than 10.0 wt %, molybdenum in an amount of greater than 0 wt % and not more than 2 wt %, vanadium in an amount of greater than 0 wt % and not more than 2 wt %, silicon in an amount of greater than 0 wt % and not more than 2 wt %, and a balance of titanium, based on a total weight of the alloy. A golf club head made by the titanium alloy is also disclosed.Type: ApplicationFiled: June 29, 2010Publication date: November 18, 2010Inventors: Chon-Chen Lin, Shun-Fu Hu, Yen-Chi Hsu
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Publication number: 20100274036Abstract: The present invention provides an organic/inorganic compositive dispersant and a method for producing the same. The compositive dispersant comprises a complex of inorganic clay and an organic surfactant. The compositive dispersant is produced by reacting inorganic clay with the organic surfactant in a solvent to generate a complex. The inorganic clay is layered or platelet. The organic surfactant is an anionic surfactant such as alkyl sulfates, a nonionic surfactant such as octylphenol polyethoxylate and polyoxyethylene alkyl ether, or a cationic surfactant such as fatty (C12˜C32) quaternary ammonium salts and fatty (C12˜C32) quaternary ammonium chlorides.Type: ApplicationFiled: April 22, 2010Publication date: October 28, 2010Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Jiang-Jen Lin, Wei-Ting Chen, Yen-Chi Hsu, Chih-Wei Chiu
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Publication number: 20090233731Abstract: A golf club includes a shaft body, a head body connected to the shaft body, and a photochromic portion provided on at least one of the shaft body and the head body and including a photochromic blend. The photochromic blend is made by blending a coating material or a molding material with a photochromic material.Type: ApplicationFiled: March 11, 2008Publication date: September 17, 2009Inventors: Yen-Chi Hsu, Chuan-Hsien Chang, Chia-Yu Hung
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Publication number: 20090145333Abstract: A method for dispersing a pigment in a solvent comprises mixing the pigment in a nanoscale with clay in a layered or platelet form and mixing the resultant mixture with the solvent. The method is based on geometric inhomogeneity and mutually exclusive aggregation. The layered or platelet clay having a high aspect ratio is provided to hinder aggregation of the pigment nanoparticles. The pigment nanoparticles can be stably dispersed in a matrix containing an organic solvent and water without aggregation again.Type: ApplicationFiled: July 18, 2008Publication date: June 11, 2009Inventors: Jiang-Jen Lin, Yi-Fen Lan, Yen-Chi Hsu
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Publication number: 20090149583Abstract: The present invention discloses a polymeric polyamine which can be produced by polymerizing polyoxyalkylene-amine and a linker. The linker can be anhydride, carboxylic acid, epoxy, isocyanate or poly(styrene-co-maleic anhydride) copolymers (SMA). The present invention also discloses a method for stabilizing the Ag nanoparticles with polymeric polyamine. The polymeric polyamine serving as a stabilizer or dispersant is mixed with a water solution of silver salt and then a reducer is provided to reduce the silver ions and form an organic or a water solution of Ag nanoparticles. Water or solvent of this solution can be further removed through a heating, freezing or decompression process, and thus solid content of the solution can be increased. The concentrated solution also can be diluted to obtain a stable dispersion without aggregation.Type: ApplicationFiled: June 17, 2008Publication date: June 11, 2009Applicant: National Taiwan UniversityInventors: Jiang-Jen Lin, Wei-Cheng Tsai, Yen-Chi Hsu, Wen-Hsin Chang
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Publication number: 20090146107Abstract: The present invention discloses an inorganic/organic mixed component (I/O) dispersant and applications thereof, which is primarily applied to dispersing nanoparticles of metal oxides. The I/O dispersant of the present invention can be a composite of inorganic clay and an organic surfactant, a composite of inorganic clay and polyoxyalkylene-amine, or a composite of inorganic clay, polyisobutylene succinic anhydride (PIB-SA) and hydrochloric acid salt or tetraalkyl quaternary salt of polyoxyalkylene-amine, or fatty amines. By mixing with the I/O dispersant of the present invention, nanoparticles of a metal oxide can be uniformly dispersed without aggregation particularly at high solid content. The dispersion has a lower viscosity and is relatively stable in storage even at high temperature.Type: ApplicationFiled: June 26, 2008Publication date: June 11, 2009Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Jiang-Jen Lin, Yen-Chi Hsu, Ming-Li Chiang, Chien-Chia Chu
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Publication number: 20090137336Abstract: A golf club includes a shaft body, a head body connected to the shaft body, and a thermochromic portion provided on at least one of the shaft body and the head body and including a thermochromic blend. The thermochromic blend is made by blending a coating material or a molding material with a thermochromic material.Type: ApplicationFiled: March 11, 2008Publication date: May 28, 2009Inventors: Yen-Chi Hsu, Chuan-Hsien Chang, Chia-Yu Hung