Patents by Inventor Seung Hun Chang
Seung Hun 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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Publication number: 20240076127Abstract: Provided is a ceiling storage system capable of correcting a working position and constantly checking stability of a structure by detecting an amount of change in a facility. According to the ceiling storage system, a transport vehicle moves to an upper portion of a first storage area of a plurality of storage areas in a state of gripping an article, and the transport vehicle measures a first distance value between the transport vehicle and the first storage area using a distance sensor and measures a relative position value between the transport vehicle and the first storage area using a vision sensor, before unloading the article from the first storage area.Type: ApplicationFiled: May 23, 2023Publication date: March 7, 2024Inventors: Sang Kyung LEE, Seung Gyu KANG, Hyun Jae KANG, Young Wook KIM, Sang A BANG, Yong-Jun AHN, Min Kyun LEE, Hyun Woo LEE, Jeong Hun LIM, Jun Hyuk CHANG
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Publication number: 20230116979Abstract: Proposed is a recliner for a vehicle, the recliner including a mobile flange including a support portion having a multistage structure having stages with different outer diameters, an eccentric ring installed in a seating space of the mobile flange by being fitted with the support portion of the mobile flange, the eccentric ring including a corresponding end corresponding to the multistage structure of the support portion and formed on an inner surface being in contact with the support portion, a gear plate including an external gear configured to engage with the internal gear of the mobile flange, and a cam disposed between the eccentric ring and the gear plate and configured to press the gear plate to one side.Type: ApplicationFiled: October 7, 2022Publication date: April 20, 2023Inventor: Seung Hun CHANG
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Publication number: 20230051535Abstract: A seat recliner for vehicles includes a mobile flange provided such that an upper part thereof is open and configured to define a seating space through a bottom surface and a side surface and to have an internal gear formed along an inner side of the side surface, and a support groove formed between upper ends of the internal gear and the side surface, a gear plate inserted into the seating space of the mobile flange, and configured to have an external gear formed along an outer side of a side surface of the gear plate, and a support configured to extend outwards from an upper end of the external gear and located in the support groove, and a retainer configured to cover both upper parts of the mobile flange and the gear plate, and fixed to an upper end of the mobile flange.Type: ApplicationFiled: July 27, 2022Publication date: February 16, 2023Inventor: Seung Hun CHANG
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Publication number: 20230033410Abstract: Provided are a composite formulation including sitagliptin and dapagliflozin and a method of preparing the same.Type: ApplicationFiled: December 22, 2020Publication date: February 2, 2023Applicant: HANMI PHARM. CO.,LTD.Inventors: Seung Hun CHANG, Kwang Young LEE, Jae Ho KIM, Hung Hyun CHO, Yong ll KIM
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Patent number: 11553796Abstract: Proposed is a seat retainer in which first outer teeth and first inner teeth or second outer teeth and second inner teeth are engaged with each other at an angle, thereby a gap between a gear plate and a first flange or between the gear plate and a second flange can be removed.Type: GrantFiled: July 7, 2021Date of Patent: January 17, 2023Assignee: HYUNDAI TRANSYS INCORPORATEDInventor: Seung Hun Chang
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Publication number: 20230009295Abstract: Proposed is a vehicle recliner including a mobile flange including a support part located in the center of a placement space and configured to protrude upwards from a lower surface thereof, the support part being formed in a multi-step structure having a different outer diameter for each step, a cam having a corresponding step formed thereon, the corresponding step corresponding to the multi-step structure of the support part, and a gear plate eccentrically pressed by the cam so that an external gear thereof meshes with an internal gear of the mobile flange.Type: ApplicationFiled: July 5, 2022Publication date: January 12, 2023Inventor: Seung Hun CHANG
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Patent number: 11524611Abstract: Proposed is a seat reclining device having a mobile flange that includes: a gear unit having an internal gear; a collar provided at a center of the gear unit; and a flange part connecting the collar and the gear unit to each other, and that is configured such that a radial cross-section of the flange part circumferentially repeatedly changes.Type: GrantFiled: July 7, 2021Date of Patent: December 13, 2022Assignee: HYUNDAI TRANSYS INCORPORATEDInventor: Seung Hun Chang
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Publication number: 20220111773Abstract: Proposed is a seat reclining device having a mobile flange that includes: a gear unit having an internal gear; a collar provided at a center of the gear unit; and a flange part connecting the collar and the gear unit to each other, and that is configured such that a radial cross-section of the flange part circumferentially repeatedly changes.Type: ApplicationFiled: July 7, 2021Publication date: April 14, 2022Inventor: Seung Hun CHANG
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Publication number: 20220015542Abstract: Proposed is a seat retainer in which first outer teeth and first inner teeth or second outer teeth and second inner teeth are engaged with each other at an angle, thereby a gap between a gear plate and a first flange or between the gear plate and a second flange can be removed.Type: ApplicationFiled: July 7, 2021Publication date: January 20, 2022Inventor: Seung Hun Chang
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Patent number: 11142102Abstract: Disclosed is a reclining device for a vehicle seat. The reclining device includes: a flange having internal teeth and a cylindrical-shaped flange protrusion; a gear plate having a through hole and external teeth to be partially engaged with the internal teeth of the flange in an eccentric state with the flange; an input device eccentrically positioned inside the through hole of the gear plate and configured of a rotating portion and a head portion; a wedge cam positioned between an the gear plate and the flange protrusion to maintain eccentricity of the gear plate; a support body supporting a load due to the eccentricity of the gear plate and transmitting a rotational force to the wedge cam; and an elastic portion positioned between the support body and the through hole to pressurize the wedge cam.Type: GrantFiled: November 8, 2019Date of Patent: October 12, 2021Assignee: HYUNDAI TRANSYS INCORPORATEDInventor: Seung Hun Chang
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Patent number: 11124094Abstract: Disclosed is a seat recliner for a vehicle that includes: a gear plate having outer teeth around an outer surface; a cam part making the gear plate be eccentric by pressing an inner surface of the gear plate; an input part transmitting torque to the cam part; and a flange part having an inner side extending along a side of the input part and supporting the input part, an outer side having inner teeth engaged with the outer teeth of the gear plate, and a bridge connecting lower ends of the inner side and the outer side, in which the bridge extends such that a thickness gradually decreases toward the lower end of the outer side from the lower end of the inner side.Type: GrantFiled: May 11, 2020Date of Patent: September 21, 2021Assignee: HYUNDAI TRANSYS INCORPORATEDInventor: Seung Hun Chang
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Patent number: 11052048Abstract: Provided are a composite capsule and a method of preparing the composite capsule. The composite capsule includes a first dissolving part including a core, an inner coating layer on the core, and a first enteric coating layer on the inner coating layer, wherein core contains, as an active ingredient, esomeprazole or a pharmaceutically acceptable salt thereof. The composite capsule further includes a second dissolving part including a core, which contains, as an active ingredient, esomeprazole or a pharmaceutically acceptable salt thereof, an inner coating layer on the core, and a second enteric coating layer on the inner coating layer.Type: GrantFiled: October 19, 2017Date of Patent: July 6, 2021Assignee: HANMI PHARM. CO., LTD.Inventors: Taek Kwan Kwon, Seung Hun Chang, Ho Taek Im, Yong Il Kim, Jae Hyun Park, Jong Soo Woo
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Patent number: 11014474Abstract: A seat recliner for a vehicle includes parts which are respectively used in opposite sides of a seat and compatible with each other. The seat recliner includes: a first flange having guide parts, guide spaces, and a first through hole; a plurality of lock gears having a guide protrusion; a lock cam having a second through hole; a control part having a third through hole and a guide slit; and a shaft penetrating through the first through hole, the second through hole, and the third through hole so that the shaft rotates with the lock cam and the control part.Type: GrantFiled: April 24, 2019Date of Patent: May 25, 2021Assignee: HYUNDAI TRANSYS INCORPORATEDInventor: Seung Hun Chang
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Patent number: 10913378Abstract: A seat recliner for a vehicle includes a step inserted in an assembly hole of a seat frame and a second flange, and a conventional sub-guide protrusion of a lock gear is removed. The second flange is provided with both a free section and a locking section using only a guide protrusion. The seat recliner includes: a first flange having a plurality of guide parts, and a guide space; a plurality of lock gears disposed in the guide spaces of the first flange; a lock cam disposed on the first flange; a control part disposed on the lock gears and the lock cam; and a second flange including a first part and the second part, and coupled to the seat frame by insertion of an outer circumferential surface of the second part into an assembly hole of the seat frame.Type: GrantFiled: April 11, 2019Date of Patent: February 9, 2021Assignee: HYUNDAI TRANSYS INCORPORATEDInventor: Seung Hun Chang
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Patent number: 10850647Abstract: A seat recliner for a vehicle includes an insert part supporting a control part and coupled to an input member, thereby having improved assembly performance. The seat recliner further includes: a first flange on which a lock cam and lock gears are disposed, where the control part is disposed on upper parts of the lock gears and the lock cam; a second flange covering the control part and provided with a through hole; the input member penetrating through the first flange, the lock cam, the control part, and the second flange in order In particular, the insert part is inserted in the through hole and includes an inside surface, an outside surface, and a supporter.Type: GrantFiled: April 11, 2019Date of Patent: December 1, 2020Assignee: HYUNDAI TRANSYS INCORPORATEDInventor: Seung Hun Chang
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Publication number: 20200369183Abstract: Disclosed is a seat recliner for a vehicle that includes: a gear plate having outer teeth around an outer surface; a cam part making the gear plate be eccentric by pressing an inner surface of the gear plate; an input part transmitting torque to the cam part; and a flange part having an inner side extending along a side of the input part and supporting the input part, an outer side having inner teeth engaged with the outer teeth of the gear plate, and a bridge connecting lower ends of the inner side and the outer side, in which the bridge extends such that a thickness gradually decreases toward the lower end of the outer side from the lower end of the inner side.Type: ApplicationFiled: May 11, 2020Publication date: November 26, 2020Inventor: Seung Hun CHANG
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Patent number: 10836282Abstract: Disclosed is a reclining device for a vehicle seat, the reclining device includes: a flange having inner teeth; a gear plate having an outer tooth part and a coupling part, the outer tooth part provided with outer teeth and engaged with a part of the inner teeth of the flange in an eccentric state with the flange, and the coupling part having a locking step; an input device provided inside a through hole of the gear plate and coupled to a shaft to allow the flange and the gear plate to be eccentric with each other and to perform relative rotation when the shaft is rotated; and a bracket having an insertion hole, and a locking protrusion that is locked by the locking step of the coupling part formed at an inner circumferential surface of the insertion hole to prevent the relative rotation with the gear plate.Type: GrantFiled: November 8, 2019Date of Patent: November 17, 2020Assignee: HYUNDAI TRANSYS INCORPORATEDInventor: Seung Hun Chang
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Publication number: 20200164775Abstract: Disclosed is a reclining device for a vehicle seat. The reclining device includes: a flange having internal teeth and a cylindrical-shaped flange protrusion; a gear plate having a through hole and external teeth to be partially engaged with the internal teeth of the flange in an eccentric state with the flange; an input device eccentrically positioned inside the through hole of the gear plate and configured of a rotating portion and a head portion; a wedge cam positioned between an the gear plate and the flange protrusion to maintain eccentricity of the gear plate; a support body supporting a load due to the eccentricity of the gear plate and transmitting a rotational force to the wedge cam; and an elastic portion positioned between the support body and the through hole to pressurize the wedge cam.Type: ApplicationFiled: November 8, 2019Publication date: May 28, 2020Inventor: Seung Hun CHANG
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Publication number: 20200164774Abstract: Disclosed is a reclining device for a vehicle seat, the reclining device includes: a flange having inner teeth; a gear plate having an outer tooth part and a coupling part, the outer tooth part provided with outer teeth and engaged with a part of the inner teeth of the flange in an eccentric state with the flange, and the coupling part having a locking step; an input device provided inside a through hole of the gear plate and coupled to a shaft to allow the flange and the gear plate to be eccentric with each other and to perform relative rotation when the shaft is rotated; and a bracket having an insertion hole, and a locking protrusion that is locked by the locking step of the coupling part formed at an inner circumferential surface of the insertion hole to prevent the relative rotation with the gear plate.Type: ApplicationFiled: November 8, 2019Publication date: May 28, 2020Inventor: Seung Hun CHANG
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Patent number: 10647224Abstract: A fluttering prevention apparatus for a lever of a pumping device includes: a lever bracket including a first side coupled with a lever, a center portion formed with a hollow hole, and a second side formed with insertion holes; a clutch cam including a first side provided with protruding portions inserted into the insertion holes of the lever bracket; a clutch drum having a first side formed with a seat groove to receive the clutch cam is seated therein; and a spindle coupled to the hollow hole of the lever bracket through center portions of the clutch drum, the clutch cam, and the housing, thereby inhibiting the lever bracket from fluttering with respect to the clutch drum.Type: GrantFiled: November 29, 2018Date of Patent: May 12, 2020Assignee: HYUNDAI DYMOS INCORPORATEDInventors: Seung Hun Chang, Young Sun Lee