Patents by Inventor Soon-Wook Hwang
Soon-Wook Hwang 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: 11590801Abstract: The present invention relates to a composition for a non-pneumatic tire spoke. In particular, the non-pneumatic tire spoke prepared from the composition for a non-pneumatic tire spoke has excellent mechanical properties. A composition for a non-pneumatic tire spoke includes a thermoplastic polyester elastomer, a silane-based interfacial binder, and silica particles. The silica particles have an average particle diameter of 100 to 300 ?m.Type: GrantFiled: November 7, 2018Date of Patent: February 28, 2023Assignees: Kumho Tire Co., Inc., Korea Advanced Institute of Science and TechnologyInventors: Kee Woon Kim, Gwi Seong Shin, Chul Woo Kwark, Soon Wook Hwang, Bumjoon Kim, Jin-Seong Kim, Joonhyeong Choi, Sung Keun Park
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Patent number: 11331950Abstract: A non-pneumatic tire comprises: a band part including an inner band and an outer band, the outer band being separated from the inner band by a predetermined distance to surround the inner band; and a spoke part provided to extend in a circumferential direction of the tire between the inner band and the outer band, the spoke part including one or more holes when viewed in the circumferential direction and one or more holes when viewed in an axial direction of the tire.Type: GrantFiled: November 20, 2019Date of Patent: May 17, 2022Assignee: Kumho Tire Co., Inc.Inventors: Soon Wook Hwang, Kee Woon Kim, Chui Woo Kwark, Chang Jung Park
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Patent number: 11059326Abstract: A rim for a non-pneumatic tire comprises a cylindrical rim wall portion, and a fixing member disposed to be spaced apart from the rim wall portion in a radial direction. The rim wall portion is provided with a fixing protrusion protruding in the radial direction or a fixing groove depressed in the radial direction.Type: GrantFiled: October 31, 2018Date of Patent: July 13, 2021Assignee: KUMHO TIRE CO., INC.Inventors: Soon Wook Hwang, Kee Woon Kim, Chul Woo Kwark, Gwi Seong Shin, Chang Jung Park
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Patent number: 10960708Abstract: A semi-pneumatic tire includes a tread portion configured to make contact with a road surface, a non-pneumatic portion coupled to an inner circumferential surface of the tread portion. The semi-pneumatic tire further includes a pneumatic portion coupled to an inner circumferential surface of the non-pneumatic portion and provided with a space into which an air is filled, and bonding layers respectively interposed between the tread portion and the non-pneumatic portion and between the non-pneumatic portion and the pneumatic portion. The non-pneumatic portion includes a band portion including an inner band coupled to an outer circumferential surface of the pneumatic portion and an outer band spaced apart from the inner band and surrounding an outer circumferential surface of the inner band, and spokes provided between the inner band and the outer band to connect the inner band and the outer band.Type: GrantFiled: September 19, 2017Date of Patent: March 30, 2021Assignee: KUMHO TIRE CO., INC.Inventors: Chul-Woo Kwark, Kee-Woon Kim, Chang-Jung Park, Gwi-Sung Shin, Soon-Wook Hwang
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Publication number: 20210039438Abstract: The present invention relates to a composition for a non-pneumatic tire spoke. In particular, the non-pneumatic tire spoke prepared from the composition for a non-pneumatic tire spoke has excellent mechanical properties. A composition for a non-pneumatic tire spoke includes a thermoplastic polyester elastomer, a silane-based interfacial binder, and silica particles. The silica particles have an average particle diameter of 100 to 300 ?m.Type: ApplicationFiled: November 7, 2018Publication date: February 11, 2021Inventors: Kee Woon KIM, Gwi Seong SHIN, Chul Woo KWARK, Soon Wook HWANG, Bumjoon KIM, Jin-Seong KIM, Joonhyeong CHOI, Sung Keun PARK
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Publication number: 20210039439Abstract: A non-pneumatic tire comprises: a band part including an inner band and an outer band, the outer band being separated from the inner band by a predetermined distance to surround the inner band; and a spoke part provided to extend in a circumferential direction of the tire between the inner band and the outer band, the spoke part including one or more holes when viewed in the circumferential direction and one or more holes when viewed in an axial direction of the tire.Type: ApplicationFiled: November 20, 2019Publication date: February 11, 2021Inventors: Soon Wook HWANG, Kee Woon KIM, Chul Woo KWARK, Chang Jung PARK
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Patent number: 10814572Abstract: A method of manufacturing an airless tire including a spoke unit includes a first step of injection-molding a first spoke part, a second spoke part, a third spoke part and a fourth spoke part in a disc-like shape. The method further includes a second step of forming a first spoke by fusing the first spoke part and the second spoke part. The method further includes a third step of forming a second spoke by fusing the third spoke part and the fourth spoke part, and a fourth step of forming the spoke unit by fusing the first spoke and the second spoke.Type: GrantFiled: February 14, 2018Date of Patent: October 27, 2020Assignee: KUMHO TIRE CO., INC.Inventors: Gwi Seong Shin, Kee Woon Kim, Soon Wook Hwang, Chul Woo Kwark
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Patent number: 10654318Abstract: In view of the above, the disclosure provides a non-pneumatic tire capable of enhancing a load supporting performance and a shock absorbing effect and improving a braking and traction performance. The present disclosure provides a non-pneumatic tire comprising a band part and a spoke part; where, a band part includes an inner band and an outer band that is separated from the inner band and surrounds an outer peripheral surface of the inner band; and where, a spoke part includes a plurality of first spokes that is arranged in a circumferential direction between the inner band and the outer band and connects the inner band and the outer band. Furthermore, according to another embodiment, a spoke part may include second spokes that connected to first spokes adjacent to each other at wherein first embodiment.Type: GrantFiled: May 17, 2017Date of Patent: May 19, 2020Assignees: KUMHO TIRE CO., INC., THE YOKOHAMA RUBBER COMPANY, LTD.Inventors: Kee-Woon Kim, Chang-Jung Park, Chul-Woo Kwark, Gwi-Sung Shin, Soon-Wook Hwang, Michio Shimizu, Jun Matsuda
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Patent number: 10538130Abstract: A non-pneumatic tire includes a band part, including an inner band and an outer band that is separated from the inner band and surrounds an outer peripheral surface of the inner band; and a spoke part, extending in a circumferential direction between the inner band and the outer band, having a circumferential cross section having one or more holes.Type: GrantFiled: July 7, 2017Date of Patent: January 21, 2020Assignees: KUMHO TIRE CO., INC., THE YOKOHAMA RUBBER COMPANY, LTD.Inventors: Kee-Woon Kim, Chul-Woo Kwark, Chang-Jung Park, Gwi-Sung Shin, Soon-Wook Hwang, Michio Shimizu, Jun Matsuda
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Publication number: 20190152256Abstract: A rim for a non-pneumatic tire comprises a cylindrical rim wall portion, and a fixing member disposed to be spaced apart from the rim wall portion in a radial direction. The rim wall portion is provided with a fixing protrusion protruding in the radial direction or a fixing groove depressed in the radial direction.Type: ApplicationFiled: October 31, 2018Publication date: May 23, 2019Inventors: Soon Wook HWANG, Kee Woon KIM, Chul Woo KWARK, Gwi Seong SHIN, Chang Jung PARK
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Publication number: 20190143619Abstract: A method of manufacturing an airless tire including a spoke unit includes a first step of injection-molding a first spoke part, a second spoke part, a third spoke part and a fourth spoke part in a disc-like shape. The method further includes a second step of forming a first spoke by fusing the first spoke part and the second spoke part. The method further includes a third step of forming a second spoke by fusing the third spoke part and the fourth spoke part, and a fourth step of forming the spoke unit by fusing the first spoke and the second spoke.Type: ApplicationFiled: February 14, 2018Publication date: May 16, 2019Inventors: Gwi Seong SHIN, Kee Woon KIM, Soon Wook HWANG, Chul Woo KWARK
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Publication number: 20180290492Abstract: A semi-pneumatic tire includes a tread portion configured to make contact with a road surface, a non-pneumatic portion coupled to an inner circumferential surface of the tread portion. The semi-pneumatic tire further includes a pneumatic portion coupled to an inner circumferential surface of the non-pneumatic portion and provided with a space into which an air is filled, and bonding layers respectively interposed between the tread portion and the non-pneumatic portion and between the non-pneumatic portion and the pneumatic portion. The non-pneumatic portion includes a band portion including an inner band coupled to an outer circumferential surface of the pneumatic portion and an outer band spaced apart from the inner band and surrounding an outer circumferential surface of the inner band, and spokes provided between the inner band and the outer band to connect the inner band and the outer band.Type: ApplicationFiled: September 19, 2017Publication date: October 11, 2018Inventors: Chul-Woo KWARK, Kee-Woon KIM, Chang-Jung PARK, Gwi-Sung SHIN, Soon-Wook HWANG
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Publication number: 20180029420Abstract: In view of the above, the disclosure provides a non-pneumatic tire capable of enhancing a load supporting performance and a shock absorbing effect and improving a braking and traction performance. The present disclosure provides a non-pneumatic tire comprising a band part and a spoke part; where, a band part includes an inner band and an outer band that is separated from the inner band and surrounds an outer peripheral surface of the inner band; and where, a spoke part includes a plurality of first spokes that is arranged in a circumferential direction between the inner band and the outer band and connects the inner band and the outer band. Furthermore, according to another embodiment, a spoke part may include second spokes that connected to first spokes adjacent to each other at wherein first embodiment.Type: ApplicationFiled: May 17, 2017Publication date: February 1, 2018Inventors: Kee-Woon Kim, Chang-Jung Park, Chul-Woo Kwark, Gwi-Sung Shin, Soon-Wook Hwang, Michio Shimizu, Jun Matsuda
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Publication number: 20180029419Abstract: A non-pneumatic tire includes a band part, including an inner band and an outer band that is separated from the inner band and surrounds an outer peripheral surface of the inner band; and a spoke part, extending in a circumferential direction between the inner band and the outer band, having a circumferential cross section having one or more holes.Type: ApplicationFiled: July 7, 2017Publication date: February 1, 2018Inventors: Kee-Woon KIM, Chul-Woo KWARK, Chang-Jung PARK, Gwi-Sung SHIN, Soon-Wook HWANG, Michio SHIMIZU, Jun MATSUDA
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Patent number: 9732844Abstract: Disclosed is a transmission apparatus comprising: a sun gear connected to the input terminal; a plurality of first planetary gears engaging with an outer surface of the sun gear; a second planetary gear which forms a concentric circle with each first planetary gear, and which is integrally formed with the first planetary gears; a first ring gear engaging with outer surfaces of the first planetary gears and connected to the output terminal; a second ring gear engaging with an outer surface of the second planetary gear; a cage for supporting rotary shafts of the first and second planetary gears such that the first and second planetary gears can revolve about the sun gear; and a brake member.Type: GrantFiled: April 8, 2013Date of Patent: August 15, 2017Assignee: ADVANCED INSTITUTES OF CONVERGENCE TECHNOLOGYInventors: Young Bong Bang, Soon Wook Hwang
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Publication number: 20150094186Abstract: Disclosed is a transmission apparatus comprising: a sun gear connected to the input terminal; a plurality of first planetary gears engaging with an outer surface of the sun gear; a second planetary gear which forms a concentric circle with each first planetary gear, and which is integrally formed with the first planetary gears; a first ring gear engaging with outer surfaces of the first planetary gears and connected to the output terminal; a second ring gear engaging with an outer surface of the second planetary gear; a cage for supporting rotary shafts of the first and second planetary gears such that the first and second planetary gears can revolve about the sun gear; and a brake member.Type: ApplicationFiled: April 8, 2013Publication date: April 2, 2015Inventors: Young Bong Bang, Soon Wook Hwang
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Patent number: 8045387Abstract: A flash memory and programming method are disclosed. The flash memory includes a memory cell array having memory cells arranged in a plurality of word lines including a selected word line and a plurality of non-selected word lines and a plurality of bit lines, a high voltage generator generating a program voltage applied to the selected word line, and a pass voltage applied to at least one of the non-selected word lines adjacent to the selected word line, and control logic controlling the generation of the program voltage, such that the program voltage is incrementally increased during a program operation, and generation of the pass voltage, such that the program voltage is incrementally increased.Type: GrantFiled: July 27, 2009Date of Patent: October 25, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Ki-Tae Park, Yeong-Taek Lee, Soon-Wook Hwang, Young-Wook Jeong
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Patent number: 8027199Abstract: An electrically erasable programmable non-volatile semiconductor memory device. The semiconductor memory device includes a memory cell array comprising a plurality of memory blocks, each memory block comprising a plurality of memory cells, a dummy memory cell, and a select gate transistor. Transfer transistors each having a current path connected between a corresponding wordline enable signal line and a corresponding wordline are controlled by an output of a block selection circuit. The transfer transistors include a dummy transfer transistor electrically coupled to the dummy memory cell, and configured to transmit a dummy wordline enable signal.Type: GrantFiled: June 25, 2010Date of Patent: September 27, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Soon Wook Hwang, Ki Tae Park, Yeong Taek Lee
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Publication number: 20100265769Abstract: An electrically erasable programmable non-volatile semiconductor memory device. The semiconductor memory device includes a memory cell array comprising a plurality of memory blocks, each memory block comprising a plurality of memory cells, a dummy memory cell, and a select gate transistor. Transfer transistors each having a current path connected between a corresponding wordline enable signal line and a corresponding wordline are controlled by an output of a block selection circuit. The transfer transistors include a dummy transfer transistor electrically coupled to the dummy memory cell, and configured to transmit a dummy wordline enable signal.Type: ApplicationFiled: June 25, 2010Publication date: October 21, 2010Inventors: SOON WOOK HWANG, Ki Tae Park, Yeong Taek Lee
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Patent number: 7755944Abstract: An electrically erasable programmable non-volatile semiconductor memory device. The semiconductor memory device includes a memory cell array comprising a plurality of memory blocks, each memory block comprising a plurality of memory cells, a dummy memory cell, and a select gate transistor. Transfer transistors each having a current path connected between a corresponding wordline enable signal line and a corresponding wordline are controlled by an output of a block selection circuit. The transfer transistors include a dummy transfer transistor electrically coupled to the dummy memory cell, and configured to transmit a dummy wordline enable signal.Type: GrantFiled: June 19, 2008Date of Patent: July 13, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Soon-Wook Hwang, Ki-Tae Park, Yeong-Taek Lee