Patents by Inventor In-sik Chang
In-sik Chang 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: 8721140Abstract: A transmission indicator apparatus for a vehicle, may include a light source disposed on an upper surface of a PCB (Printed Circuit Board) and electrically configured in a circuit; a housing for housing the light source and the PCB therein; and a light guide sheet disposed at the front of the light source to deliver light of the light source to a character part therethrough, wherein the light source is integrated into the PCB.Type: GrantFiled: April 17, 2012Date of Patent: May 13, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sung Hwan Kim, Yeong Jae Jang, Jung Hoon Woo, Hee Jun Jeong, Hong Sik Chang
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Publication number: 20140077479Abstract: An airbag housing for a vehicle and a manufacturing method thereof may include a main body receiving an airbag configured to expand upon collision of the vehicle and an inflator expanding the airbag, and including an end being open such that expansion of the airbag spreads in one direction, and a door portion coupled with the main body at the end of the main body to form a closed space therebetween in which the airbag and the inflator may be disposed, wherein the door portion may be open by the expansion of the airbag, wherein the door portion may be formed by combining a stiffness portion with a ductile portion, a ductility of which may be higher than a ductility of the stiffness portion.Type: ApplicationFiled: January 9, 2013Publication date: March 20, 2014Applicants: Hyundai Motor Company, Hyundai Mobis Co., Ltd., Kia Motors CorporationInventors: Hyun KIM, Hong Sik Chang, Bock Cheol Lee, Young-Seok Kim
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Publication number: 20140056805Abstract: The provided is a preparation method of a mesoporous zeolite, particularly a method for preparing mesoporous zeolite through a simple process without using costly materials such as an organic amine template or a surfactant.Type: ApplicationFiled: August 23, 2013Publication date: February 27, 2014Applicants: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, SAMSUNG TOTAL PETROCHEMICALS CO., LTD.Inventors: Jeong Rang Kim, Yeon Shick Yoo, Jin Suk Lee, Ho Sik Chang, Yun Jo Lee, Ki Won Jun, Jo Yong Park, Kyoung Su Ha
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Publication number: 20130148370Abstract: An indirect illumination device for a vehicle may include an internal panel forming a diffusion portion in a surface thereof, a light guide plate faced with the diffusion portion, a light source provided in a side portion of the light guide plate to which the light guide plate may be not faced with the diffusion portion, to irradiate light to an inside of the light guide plate, and an external panel provided with guide ribs protruding from a surface of the external panel, wherein the guide ribs support a lateral side of the internal panel and the light guide plate.Type: ApplicationFiled: June 27, 2012Publication date: June 13, 2013Applicants: Hyundai Mobis Co., Ltd., Hyundai Motor CompanyInventors: Hong Sik CHANG, Jung Hoon Woo, Jung Hwan Yun, Joo Ha Kim, Young Jin You
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Publication number: 20130145981Abstract: A transmission indicator apparatus for a vehicle, may include a light source disposed on an upper surface of a PCB (Printed Circuit Board) and electrically configured in a circuit; a housing for housing the light source and the PCB therein; and a light guide sheet disposed at the front of the light source to deliver light of the light source to a character part therethrough, wherein the light source is integrated into the PCB.Type: ApplicationFiled: April 17, 2012Publication date: June 13, 2013Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Sung Hwan KIM, Yeong Jae Jang, Jung Hoon Woo, Hee Jun Jeong, Hong Sik Chang
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Publication number: 20130033614Abstract: A display apparatus and control method are provided. The display apparatus includes an image receiver which receives an image of a portion of a user's body; an image processor which processes the received image to be displayed; a display which displays the image processed by the image processor; and a controller which extracts a contour of the portion of the user's body from the image, generates a shadow image that distinguishes an internal region of the contour from an external region of the contour, and displays the generated shadow image on the display.Type: ApplicationFiled: July 18, 2012Publication date: February 7, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: In-Sik CHANG
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Publication number: 20130012377Abstract: The present invention provides a method for preparing a BaX type zeolite granules comprising: adding a carbohydrate-based molding promoter to NaX type zeolite powder and thereto subsequently spraying and blending alumina sol and silica sol to form granules of the mixture; heating the formed granules to convert the alumina and silica component to aluminosilica so as to generate pores inside the formed granules; hydrothermally treating the resulted granules in a sodium hydroxide aqueous solution under the conditions for zeolite synthesis, thereby converting a portion of the aluminosilica to zeolite; and carrying out ion-exchanging by Ba ions. The present invention also provides BaX type zeolite granules which have excellent strength and can be suitably used as an adsorbent in simulated moving bed (SMB) application.Type: ApplicationFiled: July 3, 2012Publication date: January 10, 2013Inventors: Jeong Kwon Suh, Beom Sik Kim, Yun Ho Jeong, Jin Suk Lee, Won Young Kim, Ho Sik Chang
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Patent number: 8200293Abstract: A mobile phone cradle may include a housing, a lower body displaceably received in the housing, an upper body rotatably fixed to an upper portion of the lower body and displaceably received in the housing, wherein a mobile phone is held on the upper body, a first elastic member, wherein one end of the first elastic member is selectively wound around a roller rotatably mounted on the housing to move the lower body upwards and the other end of the elastic member is fixed to the lower body, a fixing member selectively fixing the lower body to the housing, and a moving unit guiding displacement of the lower body along the housing, wherein the upper body is rotated at a predetermined angle when taken out of the housing by the first elastic member.Type: GrantFiled: November 20, 2009Date of Patent: June 12, 2012Assignees: Hyundai Motor Company, Ecoplastic CorporationInventors: Dong-Jin Park, Byung Kyu Yoon, Hong Sik Chang, Hun Soo Kim, Hae Ryong Kim, Hee Jun Jeong
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Patent number: 7976954Abstract: The preparation of robust, thin film materials with large second-order optical nonlinearities through the covalent self-assembly of chromophoric compositions and innovative use of silyl chemistry.Type: GrantFiled: January 26, 2010Date of Patent: July 12, 2011Assignee: Northwestern UniversityInventors: Tobin J. Marks, Milko E. van der Boom, Seong-Sik Chang, Seng-Tiong Ho
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Publication number: 20110147783Abstract: There are described a red phosphor for use in solid state lighting and a method for preparing the same, which can be excited efficiently with near UV light, blue light and green light. The red phosphor for use in solid state lighting includes a Zn and Ti oxide as a main element and a rare earth element as an additive element. The rare earth element includes a single element or one or more combination thereof selected from a group consisting of Eu, Er, Dy, Sm, Tb, Ce, Gd, Nd, Dy, Ho and the mixture thereof. The Zn and Ti oxide may be one selected from a group consisting of TiZn2O4. The red phosphor of the present invention can be prepared by employing a solid state sintering method at an ambient air at atmospheric pressure and in a range of 1,000˜1,500 and thus is simple in preparing process to save cost.Type: ApplicationFiled: August 6, 2009Publication date: June 23, 2011Inventor: Sung-Sik Chang
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Publication number: 20110053660Abstract: A mobile phone cradle may include a housing, a lower body displaceably received in the housing, an upper body rotatably fixed to an upper portion of the lower body and displaceably received in the housing, wherein a mobile phone is held on the upper body, a first elastic member, wherein one end of the first elastic member is selectively wound around a roller rotatably mounted on the housing to move the lower body upwards and the other end of the elastic member is fixed to the lower body, a fixing member selectively fixing the lower body to the housing, and a moving unit guiding displacement of the lower body along the housing, wherein the upper body is rotated at a predetermined angle when taken out of the housing by the first elastic member.Type: ApplicationFiled: November 20, 2009Publication date: March 3, 2011Applicants: HYUNDAI MOTOR COMPANY, ECOPLASTIC CORPORATIONInventors: Dong-Jin PARK, Byung Kyu Yoon, Hong Sik Chang, Hun Soo Kim, Hae Ryong Kim, Hee Jun Jeong
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Publication number: 20100183077Abstract: A digital broadcasting transmitter including a Reed-Solomon (RS) encoder to encode signaling information, and a randomizer to randomize a stream including the signaling information encoded by the RS encoder. The signaling information is used by a receiver to demodulate and/or equalize the stream.Type: ApplicationFiled: June 30, 2008Publication date: July 22, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: June-Hee Lee, Joon-Soo Kim, Jung-Pil Yu, Chan-Sub Park, Jong-On Park, Jung-Jin Kim, In-Sik Chang, Yong-Sik Kwon, Jun-Seok Kang, Eui-Jun Park, Jin-Hee Jeong, Kum-Ran Ji, Jong-Hun Kim, Se-Jun Kim, Hae-Joo Jeong
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Patent number: 7754833Abstract: Provided is a process for polymerization and copolymerization of ethylene, specifically comprising carrying out polymerization or copolymerization ethylene in the presence of (a) a solid complex titanium catalyst which is produced by the process comprising: (i) preparing a magnesium compound solution by contacting a halogenated magnesium compound and an alcohol for allowing a reaction; (ii) reacting the resulted magnesium compound solution with an ester compound having at least one hydroxyl group and a silicon compound having at least one alkoxy group; (iii) reacting the resulted solution with a mixture of a titanium compound and a silicon compound to obtain a solid titanium catalyst component; (iv) washing the resulted solid titanium catalyst component with a halogenated saturated hydrocarbon compound; and (v) further reacting the washed solid titanium catalyst component with a titanium compound to obtain a solid complex titanium catalyst, and (b) an organometallic compound from Group II or III of Periodic tType: GrantFiled: December 28, 2006Date of Patent: July 13, 2010Assignee: Samsung Total Petrochemicals Co., Ltd.Inventors: Sang Yull Kim, Ho Sik Chang, Chun Byung Yang
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Patent number: 7651777Abstract: The preparation of robust, thin film materials with large second-order optical nonlinearities through the covalent self-assembly of chromophoric compositions and innovative use of silyl chemistry.Type: GrantFiled: September 25, 2002Date of Patent: January 26, 2010Assignee: Northwestern UniversityInventors: Tobin J. Marks, Milko E. van der Boom, Seong-Sik Chang, Seng-Tiong Ho
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Patent number: 7619048Abstract: Disclosed is a method for producing a propylene polymer using an alkoxysilane compound comprising a trialkylsilyl group in its molecular structure, specifically a method for easily producing an isotactic propylene polymer with dramatically improved melt flowability, owing to the improved reactivity of hydrogen that is provided as a molecular weight regulator, by specifically using an alkoxysilane compound comprising a trialkylsilyl group in the molecular structure thereof as an external electron donor in propylene polymerization.Type: GrantFiled: May 5, 2006Date of Patent: November 17, 2009Assignee: Samsung Total Petrochemicals Co., Ltd.Inventors: Joon-Ryeo Park, Ho-Sik Chang, Young-Joo Lee, Jin-Kyu Ahn
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Publication number: 20090281259Abstract: The present invention provides a catalyst for propylene polymerization and a method for propylene polymerization using the same, specifically, a catalyst for propylene polymerization, which is prepared by reacting dialkoxy magnesium with titanium halide compound or silane halide compound and internal electron donor in the presence of an organic solvent, and a method for propylene polymerization which can produce polypropylene having 99% or more of iso-tacticity index, by mixing and reacting said catalyst, alkyl aluminum, external electron donor and propylene.Type: ApplicationFiled: September 23, 2005Publication date: November 12, 2009Applicant: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.Inventors: Joon-Ryeo Park, Ho-Sik Chang, Jin-Kyu Ahn, Sang-Yeol Kim
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Publication number: 20090233793Abstract: Disclosed is a method of preparation of spherical support for olefin polymerization catalyst, wherein the support is produced by continuously introducing a mixture of metal magnesium and alcohol into a reactor containing a mixture comprising halogen compound and alcohol and optionally dialkoxymagnesium, and then the magnesium is reacted with the alcohol in the presence of the mixture comprising halogen compound and alcohol and optionally dialkoxy-magnesium. By the method, it is possible to control the reaction rate appropriately and to improve particle shape and particle size distribution of the resulted dialkoxymagnesium support.Type: ApplicationFiled: March 31, 2005Publication date: September 17, 2009Applicant: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.Inventors: Joon-Ryeo Park, Ho-Sik Chang, Jin-Kyu Ahn
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Publication number: 20090221771Abstract: Provided is a process for polymerization and copolymerization of ethylene, specifically comprising carrying out polymerization or copolymerization ethylene in the presence of (a) a solid complex titanium catalyst which is produced by the process comprising: (i) preparing a magnesium compound solution by contacting a halogenated magnesium compound and an alcohol for allowing a reaction; (ii) reacting the resulted magnesium compound solution with an ester compound having at least one hydroxyl group and a silicon compound having at least one alkoxy group; (iii) reacting the resulted solution with a mixture of a titanium compound and a silicon compound to obtain a solid titanium catalyst component; (iv) washing the resulted solid titanium catalyst component with a halogenated saturated hydrocarbon compound; and (v) further reacting the washed solid titanium catalyst component with a titanium compound to obtain a solid complex titanium catalyst, and (b) an organometallic compound from Group II or III of Periodic tType: ApplicationFiled: December 28, 2006Publication date: September 3, 2009Applicant: SAMSUNG TOTAL PETROCHEMICALS CO. LTD.Inventors: Sang Yull Kim, Ho Sik Chang, Chun Byung Yang
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Patent number: 7566676Abstract: The present invention relates to a preparation method of solid titanium catalyst for olefin polymerization comprising the steps of: (1) preparing a magnesium compound solution by dissolving a magnesium halide compound into a mixed solvent of a cyclic ether and one or more of alcohol; (2) preparing a carrier by adding firstly a titanium halide compound to the magnesium compound solution at low temperature, elevating the temperature of the resulted solution or aging it, and then thereto adding secondly the titanium halide compound additionally; (3) preparing a titanium catalyst by reacting the carrier with a titanium compound and an electron donor; and (4) washing the titanium catalyst with hydrocarbon solvent at high temperature.Type: GrantFiled: October 15, 2004Date of Patent: July 28, 2009Assignee: Samsung Total Petrochemicals Co., Ltd.Inventors: Chun-Byung Yang, Ho-Sik Chang, Ki-Hwa Lee
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Publication number: 20090182103Abstract: Disclosed is a method for polymerization and copolymerization of olefin characterized by polymerizing or copolymerizing olefins in the presence of: (A) a prepolymerized catalyst obtained by prepolymerizing olefins in the presence of (a) a solid complex titanium catalyst prepared by the following steps, (b) an aluminum alkyl and halogenated aluminum, and (c) an electron donor, wherein the steps comprises: (i) preparing a magnesium compound solution by dissolving a magnesium halide compound into an oxygen-containing solvent mixture of a cyclic ether and one or more alcohols; (ii) preparing a carrier by firstly reacting the resulted magnesium compound solution with a titanium halide compound at ?10-30° C.Type: ApplicationFiled: March 26, 2007Publication date: July 16, 2009Applicant: SAMSUNG TOTAL PETROCHEMICALS, LTD.Inventors: Ho-Sik Chang, Chung-Byun Yang