Patents by Inventor Chang-Kyun Han
Chang-Kyun Han 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: 11833970Abstract: The disclosure refers to an internal rearview device (1) adapted for use with a motor vehicle, comprising: a rearview element comprising at least one of a reflective element (10) and a display element, with the rearview element having a normal state and at least one anti-glare state, in which a glare experienced by a driver of the vehicle as a result of light reflected at the rearview element is reduced; a bezel (32) surrounding the rearview element and being surrounded by a housing (60); control means comprising sensor means connected to at least one printed circuit board (40, 50), which is arranged between the housing (60) and the rearview element, for controlling at least the state of the rearview element; and a mount assembly (70) which is configured to attach the housing (60) to the vehicle; wherein the perimeter edge (31) of the bezel (32) is exposed to and is viewable by the driver of the vehicle when said device (1) is normally mounted in the vehicle; said perimeter edge (31) comprises a curved surfacType: GrantFiled: July 23, 2020Date of Patent: December 5, 2023Assignee: Motherson Innovations Company LimitedInventors: Andreas Herrmann, Chang Kyun Han, Cheol Ho Yim, Ho Jin Huh, Won Sik Hong, Geon Young Choi, Chang Hwan Lim, Freshipali Ali
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Publication number: 20230331156Abstract: According to various embodiments of the present disclosure, an actuator designed for pivoting a rear view device and/or at least one rear view element of the rear view device is provided, comprising a lower case; a driving mechanism; an upper cover; and a holder, wherein the holder comprises a supporting part for the at least one rear view element and an extension part extended from the supporting part, wherein a gap is formed between an inner surface of the extension part of the holder and an outer surface of the lower case. Furthermore, a rear view device comprising such actuator as well as a vehicle with such a rear view device is provided.Type: ApplicationFiled: March 24, 2023Publication date: October 19, 2023Inventors: Youngmin LEE, Heesung WOO, Il-Sung YU, Chang Kyun HAN, Cheol Ho YIM
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Publication number: 20230331157Abstract: According to various embodiments of the present disclosure, a clutch gear is provided, that is adapted for use in an actuator of a rear view device, comprising a connection gear having a hole in its center and receiving power, and a body part inserted in the hole, characterized in that the body part comprises a first shaft part, a second shaft part, a receiving part between the first and second shaft parts, a pinion gear, and a clutch spring, wherein the clutch spring has an inner surface contacting the second shaft part, and an outer surface contacting the connection gear. Furthermore, an actuator and a rear view device as well as a vehicle is provided.Type: ApplicationFiled: March 23, 2023Publication date: October 19, 2023Inventors: Youngmin LEE, Heesung WOO, Il-Sung YU, Chang Kyun HAN, Cheol Ho YIM
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Publication number: 20230331155Abstract: According to various embodiments of the present disclosure, a memory module adapted for use with an actuator of a rear view device for a vehicle is provided, wherein the rear view device comprises at least one rear view element which is pivotable around at least one pivot axis, with the memory module being adapted to determine at least one pivot angle of the rear view device and/or the at least one rear view element, and store the at least one determined pivot angle. Further, an actuator with such memory module, a rear view device, a vehicle as well as a method for manufacturing such memory module is provided.Type: ApplicationFiled: March 23, 2023Publication date: October 19, 2023Inventors: Youngmin LEE, Heesung WOO, Il-Sung YU, Chang Kyun HAN, Cheol Ho YIM
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Patent number: 11510955Abstract: The present invention relates to a composition and health functional food for preventing and treating a respiratory inflammation disease using a mixed herbal mixture. Through various experiments, for example, determination of the cell number of BAL (bronchoalveolar lavage) (Experimental Example 1); Determination of CD11b+/Gr-1+ ratio in leukocyte within BAL fluid (Experimental Example 2); Determination of expressed RNA level of inflammatory cytokines in lung tissue (Experimental Example 3); Determination of expressed RNA level of inflammatory cytokines in BALF (Experimental Example 4); Lung histology (Experimental Example 5); Brief Clinical test (Experimental Example 7) etc, it has been verified that the inventive combined extract showed more potent inhibiting effect on respiratory inflammation disease than each herb extract.Type: GrantFiled: May 10, 2018Date of Patent: November 29, 2022Assignees: KT&G CORPORATION, KOREA GINSENG CORP.Inventors: Han-Jae Shin, Hyo Keun Kim, Moon-Yong Lee, Hyo-Min Gwak, Hye-Jeong Min, Young-Sin Kim, Chang Kyun Han, Jongsu Kyung, Gyo In, Jong Han Kim, Sung Won Kim, Kyoung Hwa Jang, Seung-Hyung Kim
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Publication number: 20220266751Abstract: The disclosure refers to an internal rearview device (1) adapted for use with a motor vehicle, comprising: a rearview element comprising at least one of a reflective element (10) and a display element, with the rearview element having a normal state and at least one anti-glare state, in which a glare experienced by a driver of the vehicle as a result of light reflected at the rearview element is reduced; a bezel (32) surrounding the rearview element and being surrounded by a housing (60); control means comprising sensor means connected to at least one printed circuit board (40, 50), which is arranged between the housing (60) and the rearview element, for controlling at least the state of the rearview element; and a mount assembly (70) which is configured to attach the housing (60) to the vehicle; wherein the perimeter edge (31) of the bezel (32) is exposed to and is viewable by the driver of the vehicle when said device (1) is normally mounted in the vehicle; said perimeter edge (31) comprises a curved surfacType: ApplicationFiled: July 23, 2020Publication date: August 25, 2022Inventors: Andreas Herrmann, Chang Kyun Han, Cheol Ho Yim, Ho Jin Huh, Won Sik Hong, Geon Young Choi, Chang Hwan Lim, Freshipali Ali
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Publication number: 20220242311Abstract: The present disclosure refers to a rearview device, in particular a rearview mirror device and/or a rearview display device, mountable on a vehicle through a mounting structure, the rearview device comprising: a rearview element including at least one of a reflective element and a display element; a circuit board for providing an electrical connection to at least one of the rearview element, a light module, a heating element, sensing means and a human machine interface; and a housing coupled with the mounting structure, wherein the housing provides a mounting coupling portion to which the mounting structure is connected and an internal space in which the circuit board is arranged, wherein at least one fastening member for coupling the housing and the mounting structure is engaged on the mounting coupling portion, wherein the circuit board is attached to the housing adjacent to the mounting coupling portion, and wherein the circuit board is arranged in the internal space of the housing so as to not interfere wType: ApplicationFiled: July 23, 2020Publication date: August 4, 2022Inventors: Andreas Herrmann, Chang Kyun Han, Cheol Ho Yim, Won Sik Hong
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Publication number: 20200164016Abstract: The present invention relates to a composition and health functional food for preventing and treating a respiratory inflammation disease using a mixed herbal mixture. Through various experiments, for example, determination of the cell number of BAL (bronchoalveolar lavage) (Experimental Example 1); Determination of CD11b+/Gr-1+ ratio in leukocyte within BAL fluid (Experimental Example 2); Determination of expressed RNA level of inflammatory cytokines in lung tissue (Experimental Example 3); Determination of expressed RNA level of inflammatory cytokines in BALF (Experimental Example 4); Lung histology (Experimental Example 5); Brief Clinical test (Experimental Example 7) etc, it has been verified that the inventive combined extract showed more potent inhibiting effect on respiratory inflammation disease than each herb extract.Type: ApplicationFiled: May 10, 2018Publication date: May 28, 2020Inventors: Han-Jae SHIN, Hyo Keun KIM, Moon-Yong LEE, Hyo-Min GWAK, Hye-Jeong MIN, Young-Sin KIM, Chang Kyun HAN, Jongsu KYUNG, Gyo IN, Jong Han KIM, Sung Won KIM, Kyoung Hwa JANG, Seung-Hyung KIM
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Patent number: 9464044Abstract: The present invention relates to a novel compound or a pharmaceutically acceptable salt thereof inhibiting 11?-HSD1 enzyme activity, a preparation method of the same, and a pharmaceutical composition comprising the same as an active ingredient. Since the compound of the present invention selectively inhibits the activity of 11?-HSD1 (11?-Hydroxysteroid dehydrogenase type 1), the compound of the invention can be effectively used as a therapeutic agent for the treatment of diseases caused by the over-activation of 11?-HSD1 such as non-insulin dependent type II diabetes, insulin resistance, obesity, lipid disorder, metabolic syndrome, and other diseases or condition mediated by the excessive activity of glucocorticoid.Type: GrantFiled: June 4, 2013Date of Patent: October 11, 2016Assignees: AHN-GOOK PHARMACEUTICAL CO., LTD., BAMICHEM CO., LTD, INCHEON UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATIONInventors: Soon Kil Ahn, Jin Auh, Nam Song Choi, Chang Kyun Han, Tae-Jeong Kim, Kamsa Pae, Young June Shin, Dong-Oh Han, Cheol Kyu Han
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Patent number: 9180153Abstract: The present invention relates to an extract isolated from Sophorae Radix useful for prevention and treatment of respiratory diseases. More specifically, the present invention relates to a pharmaceutical drug comprising the Sophorae Radix extract having excellent effects of inhibiting airway contraction, respiratory infections, 5-lipoxygenase activity, phosphodiesterase 4 activity, airway hyper-responsiveness and airway remodeling; antagonistic activity against leukotriene D4; and an antitussive effect, thus being useful for prevention and treatment of respiratory diseases such as asthma, acute or chronic bronchitis, allergic rhinitis, acute upper respiratory infections and acute lower respiratory infections, and the like.Type: GrantFiled: May 12, 2010Date of Patent: November 10, 2015Assignee: SK Chemicals Co., Ltd.Inventors: Chang-Kyun Han, Kiwon Joung, Hunseung Yoo, Yong-Baik Cho, Keun Ho Ryu, Hye Yeon Baek, Taek-Soo Kim, In Ho Jung, Wie-Jong Kwak
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Publication number: 20150210635Abstract: The present invention relates to a novel compound or a pharmaceutically acceptable salt thereof inhibiting 11?-HSD1 enzyme activity, a preparation method of the same, and a pharmaceutical composition comprising the same as an active ingredient. Since the compound of the present invention selectively inhibits the activity of 11?-HSD1 (11?-Hydroxysteroid dehydrogenase type 1), the compound of the invention can be effectively used as a therapeutic agent for the treatment of diseases caused by the over-activation of 11?-HSD1 such as non-insulin dependent type II diabetes, insulin resistance, obesity, lipid disorder, metabolic syndrome, and other diseases or condition mediated by the excessive activity of glucocorticoid.Type: ApplicationFiled: June 4, 2013Publication date: July 30, 2015Inventors: Soon Kil Ahn, Jin Auh, Nam Song Choi, Chang Kyun Han, Tae-Jeong Kim, Kamsa Pae, Young June Shin, Dong-Oh Han, Cheol Kyu Han
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Patent number: 8871282Abstract: A composition for suppressing cough, removing sputum, preventing and/or treating a respiratory disease comprising an extract of Coptidis rhizoma or a combined extract of Coptidis rhizoma with ivy leaf as an active ingredient, and a method of suppressing cough, removing sputum, and/or preventing and/or treating respiratory disease using the composition, are provided.Type: GrantFiled: January 7, 2013Date of Patent: October 28, 2014Assignee: Ahn-Gook Pharmaceutical Co., Ltd.Inventors: Jin Auh, Chang-Hwan Kim, Chang-Kyun Han, Sung-Hum Yeon, Young-June Shin, Min-Ki Shin, Soo-Im Chang
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Patent number: 8790687Abstract: The present invention relates to the triterpene compounds improving in brain functions. In particular, the present invention relates to a novel use of the triterpene compounds represented by the Formula 1 for improving decreased memory and a pharmaceutical composition for improving brain functions comprising the triterpene compounds represented by the Formula 1.Type: GrantFiled: December 21, 2009Date of Patent: July 29, 2014Assignee: SK Chemicals Co., Ltd.Inventors: Wonrack Choi, Chang-Kyun Han, Tae Kon Kim, Guang-Jin Im, Chil Mann Jung, Se Jun Yun, Bongcheol Kim, Soomin Lee, Wie-Jong Kwak
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Patent number: 8652537Abstract: The present invention relates to a herbal drug composition for cartilage protection comprising plant extracts of Clematis Radix, Trichosanthis Radix, and Prunellae Spica and an optimal content of rosmarinic acid to: (i) alleviate pains; (ii) inhibit the acute/chronic inflammation, platelet/whole blood aggregation, immunocyte (B-lymphcyte and T-lymphcyte) proliferation, inflammation-inducing enzyme activities, and enzyme activities associated with degradation of joint tissue; (iii) scavenge activity of toxic active oxygen radicals; and (iv) further provide excellent cartilage protection activity to be effectively used as an anti-inflammatory agent with analgesic effects, blood circulation enhancer, arthritis therapeutic agent and cartilage protective.Type: GrantFiled: February 21, 2012Date of Patent: February 18, 2014Assignee: SK Chemicals Co., Ltd.Inventors: Chang-Kyun Han, Wie-Jong Kwak, Ki Won Joung, Hun Seung Yoo, Do Seung Kum, Yong-Baik Cho, Keun Ho Ryu, Hae In Rhee, Taek Su Kim, In Ho Jung, So Yoon Lee, Jung Bum Yi, Joo Hyon Kim, Key An Um
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Patent number: 8642096Abstract: The present invention relates to a novel use of herbal extracts in a pharmaceutical composition for prevention and treatment of nephritis and, more particularly, to a pharmaceutical composition and a health functional food for prevention and/or treatment of nephritis that contains at least one herbal extract selected from the group consisting of a Crataegi Fructus extract, a Cinnamomi Cortex extract, a Prunella Spica extract, and an Equiseti Herba extract, a method for prevention and/or treatment of nephritis using the herbal extract, and a use of the herbal extract in preparation of a composition for prevention and/or treatment of nephritis. The herbal extract has a good therapeutic effect for nephritis on a nephritis model of which the nephritis is induced by a drug such as gentamicin, cisplatin, etc., and a good inhibitory activity on the growth of mesangial cells in kidneys, thereby providing a very useful means for prevention and/or treatment of nephritis.Type: GrantFiled: June 1, 2010Date of Patent: February 4, 2014Assignee: Ahn-Gook Pharmaceutical Co., Ltd.Inventors: Jin Auh, Chang-Hwan Kim, Chang-Kyun Han, Sung-Hum Yeon, Seung-In Choe, Young-June Shin, Dong-Oh Han, Soo-Im Chang, Ji-Hye Lee, Jun-Seok Lee, Ho-Young Kwak, Hyo-Jin Moon, Jong-Wook Lee, Sung-Min Kim
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Patent number: 8491942Abstract: A use an extract of Coptidis Rhizoma or a combined extract of Coptidis Rhizoma and Pharbitidis Semen as an active ingredient for preventing and/or treating periodontal disease is provided. The extract of Coptidis Rhizoma or a combined extract of Coptidis Rhizoma and Pharbitidis Semen has activities to stimulate anti-inflammation, osteoblast differentiation and alveolar bone regeneration, and to prevent the alveolar bone destruction, thereby being effective for the prevention and/or treatment of periodontal disease.Type: GrantFiled: October 15, 2010Date of Patent: July 23, 2013Assignee: Ahn-Gook Pharmaceutical Co., Ltd.Inventors: Jin Auh, Chang-Kyun Han, Young-June Shin, Hyo-Jin Moon, Jong-Wook Lee, Tae-Hoo Yi, Kang-Jin Lee, Kang-Hyun Leem
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Patent number: 8425953Abstract: A composition for suppressing cough, removing sputum, preventing and/or treating a respiratory disease comprising an extract of Coptidis rhizoma or a combined extract of Coptidis rhizoma with ivy leaf as an active ingredient, and a method of suppressing cough, removing sputum, and/or preventing and/or treating respiratory disease using the composition, are provided.Type: GrantFiled: June 12, 2009Date of Patent: April 23, 2013Assignee: Ahn-Gook Pharmaceutical Co., Ltd.Inventors: Jin Auh, Chang-Hwan Kim, Chang-Kyun Han, Sung-Hum Yeon, Young-June Shin, Min-Ki Shin, Soo-Im Chang
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Publication number: 20120195986Abstract: A use an extract of Coptidis Rhizoma or a combined extract of Coptidis Rhizoma and Pharbitidis Semen as an active ingredient for preventing and/or treating periodontal disease is provided. The extract of Coptidis Rhizoma or a combined extract of Coptidis Rhizoma and Pharbitidis Semen has activities to stimulate anti-inflammation, osteoblast differentiation and alveolar bone regeneration, and to prevent the alveolar bone destruction, thereby being effective for the prevention and/or treatment of periodontal disease.Type: ApplicationFiled: October 15, 2010Publication date: August 2, 2012Inventors: Jin Auh, Chang-Kyun Han, Young-June Shin, Hyo-Jin Moon, Jong-Wook Lee, Tae-Hoo Yi, Kang-Jin Lee, Kang-Hyun Leem
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Publication number: 20120148693Abstract: The present invention relates to a herbal drug composition for cartilage protection comprising plant extracts of Clematis Radix, Trichosanthis Radix, and Prunellae Spica and an optimal content of rosmarinic acid to: (i) alleviate pains; (ii) inhibit the acute/chronic inflammation, platelet/whole blood aggregation, immunocyte (B-lymphcyte and T-lymphcyte) proliferation, inflammation-inducing enzyme activities, and enzyme activities associated with degradation of joint tissue; (iii) scavenge activity of toxic active oxygen radicals; and (iv) further provide excellent cartilage protection activity to be effectively used as an anti-inflammatory agent with analgesic effects, blood circulation enhancer, arthritis therapeutic agent and cartilage protective.Type: ApplicationFiled: February 21, 2012Publication date: June 14, 2012Inventors: Chang-Kyun HAN, Wie-Jong KWAK, Ki Won JOUNG, Hun Seung YOO, Do Seung KUM, Yong-Baik CHO, Keun Ho RYU, Hae In RHEE, Taek Su KIM, In Ho JUNG, So Yoon LEE, Jung Bum YI, Joo Hyon KIM, Key An UM
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Patent number: RE45524Abstract: A composition for suppressing cough, removing sputum, preventing and/or treating a respiratory disease comprising an extract of Coptidis rhizoma or a combined extract of Coptidis rhizoma with ivy leaf as an active ingredient, and a method of suppressing cough, removing sputum, and/or preventing and/or treating respiratory disease using the composition, are provided.Type: GrantFiled: May 14, 2013Date of Patent: May 19, 2015Assignee: AHNGOOK PHARMACEUTICAL CO., LTD.Inventors: Jin Auh, Chang-Hwan Kim, Chang-Kyun Han, Sung-Hum Yeon, Young-June Shin, Min-Ki Shin, Soo-Im Chang