Patents by Inventor Da-Woon HAN
Da-Woon 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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Publication number: 20250128441Abstract: A razor cartridge is proposed. The razor cartridge may include at least one razor blade having a cutting edge formed thereon, and a blade housing configured to accommodate the razor blade in a longitudinal direction. The razor cartridge may also include a housing cover including a razor blade window configured to expose at least a portion of the cutting edge and a window frame surrounding at least a portion of the razor blade window and connected to the blade housing. The window frame may include a plastic guard provided in front of the razor blade, and the plastic guard may include a transparent or translucent material.Type: ApplicationFiled: October 16, 2024Publication date: April 24, 2025Inventor: Da Woon HAN
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Publication number: 20250128442Abstract: A razor assembly is proposed. The razor assembly may include a razor handle, at least one razor blade having a cutting edge formed thereon. The razor assembly may also include a blade housing including a razor blade mounting portion in which the razor blade is accommodated in a longitudinal direction, an upper surface on which the razor blade is exposed, and a lower surface opposite to the upper surface. The razor assembly may further include a connector disposed adjacent to the lower surface and including a connecting groove into which the razor handle enters. An indicator providing mounting information of the razor handle may be provided within the connecting groove.Type: ApplicationFiled: October 16, 2024Publication date: April 24, 2025Inventor: Da Woon HAN
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Patent number: 12202157Abstract: A razor cartridge is disclosed. The present disclosure in at least one embodiment provides a razor cartridge including a blade housing and a lubrication member providing unit, wherein the blade housing is configured to accommodate at least one first shaving blade having a cutting edge and at least one second shaving blade having a cutting edge to lie in a longitudinal direction, the lubrication member providing unit is configured to provide a lubrication member, and the lubrication member providing unit is coupled to the blade housing so that the lubrication member is positioned between the first shaving blade and the second shaving blade.Type: GrantFiled: August 12, 2021Date of Patent: January 21, 2025Assignee: Dorco Co., Ltd.Inventors: Da Woon Han, Shin Hwan Park
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Publication number: 20240408780Abstract: A razor cartridge is proposed. The razor cartridge may include at least one razor blade having a cutting edge, a blade housing for accommodating the at least one razor blade in a longitudinal direction, and a plurality of clips for retaining the at least one razor blade in the blade housing on both sides of the longitudinal direction. The at least one razor blade may have a positive exposure value when one end of the cutting edge is located at an upper portion in the height direction and a negative exposure value when one end of the cutting edge is located at a lower portion in the height direction with respect to a virtual plane. With respect to a clip plane, the side portion exposure value of each of the at least one razor blade may be greater than the central portion exposure value.Type: ApplicationFiled: May 30, 2024Publication date: December 12, 2024Inventors: Nam Ri KIM, Ji Hoon YANG, Da Woon HAN
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Publication number: 20240408779Abstract: A razor cartridge is proposed. The razor cartridge may include a blade housing for accommodating at least one razor blade having a cutting edge in a longitudinal direction, the blade housing comprising a top surface and a bottom surface opposing the top surface. The cartridge may also include a clip comprising a clip body disposed on the top surface and configured to retain the at least one razor blade, a first elongated portion extending from the clip body toward the bottom surface, and a second elongated portion extending from one end of the first elongated portion in a direction away from the center of the clip body. The cartridge may further include a cover housing configured to be combined with the blade housing in a direction from the top surface to the bottom surface, wherein the second elongated portion is disposed between the blade housing and the cover housing.Type: ApplicationFiled: May 30, 2024Publication date: December 12, 2024Inventor: Da Woon HAN
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Patent number: 12162173Abstract: The present disclosure provides a razor cartridge. According to at least one embodiment of the present disclosure, a razor cartridge includes at least one shaving blade having a cutting edge, a blade housing configured to receive the at least one shaving blade in a longitudinal direction, and an edge portion disposed on each of both lateral sides of the blade housing and including a plurality of edge protrusions formed on a corresponding surface of each edge portion.Type: GrantFiled: December 1, 2020Date of Patent: December 10, 2024Assignee: DORCO CO., LTD.Inventor: Da Woon Han
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Publication number: 20230398534Abstract: The present invention relates to a diagnostic cartridge, which may comprise: a housing that has formed therein a receiving space, and has formed, on the upper surface thereof, a first inlet and a second inlet that are spaced apart from each other in communication with the receiving space and an outer space; and a solution supply device that is integrally or detachably mounted in the second inlet, receives a washing solution and a reaction solution, and sequentially introduces at intervals the washing solution and the reaction solution into a membrane pad through the second inlet.Type: ApplicationFiled: October 28, 2021Publication date: December 14, 2023Applicant: QSTAG CO., LTD.Inventors: Da Woon HAN, Eung Kyu PARK, Khac Phu Cuong TRUONG, Hye Ri OH, Ik Soo SHIN, Dong Hoon LEE
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Publication number: 20230364815Abstract: A razor cartridge is disclosed. According to an embodiment of the present disclosure, a razor cartridge is provided, the razor cartridge including at least one shaving blade having a cutting edge extending in a longitudinal direction; an upper surface on which the cutting edge is exposed; a bottom surface opposite the upper surface; and a pair of opening portions formed to penetrate the bottom surface from the upper surface in both side areas in the longitudinal direction.Type: ApplicationFiled: August 24, 2021Publication date: November 16, 2023Applicant: DORCO CO., LTD.Inventors: Woo Gyeong GO, Da Woon HAN
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Patent number: 11495302Abstract: According to the present technology, a memory device may include memory cells configured to be programmed so that each of the memory cells has a threshold voltage corresponding to any one of a plurality of program states, a peripheral circuit configured to perform a read operation or a program operation on the memory cells, and control logic configured to control the peripheral circuit to perform a test read operation of reading the memory cells using a test read voltage that is any one read voltage among preset default read voltages, and perform a refresh program operation of applying a refresh program voltage to some memory cells among the memory cells according to the number of memory cells having a threshold voltage greater than the test read voltage.Type: GrantFiled: April 12, 2021Date of Patent: November 8, 2022Assignee: SK hynix Inc.Inventors: Won Jae Choi, Da Woon Han
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Patent number: 11446837Abstract: A razor includes a razor cartridge including at least one shaving blade, a handle having an internal space, and a head unit. The head unit includes a cartridge-engaging segment configured to be coupled to the razor cartridge, and a handle-engaging segment having at least a portion configured to be inserted into the internal space and including a first cantilever section that is configured: to be inserted into the internal space by contacting at least a portion of an inner circumferential surface of the internal space, and to be at least partially elastically deformable such that a diameter of the first cantilever section along a length of the first cantilever section decreases toward a free end of the first cantilever section contacting the inner circumferential surface initially and being squeezed toward a longitudinal central axis of the handle-engaging segment when the first cantilever section is inserted into the internal space.Type: GrantFiled: December 1, 2020Date of Patent: September 20, 2022Assignee: DORCO CO., LTD.Inventors: Young Jin Lee, Da Woon Han, Jong Jin Jeong
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Patent number: 11426890Abstract: At least one embodiment of the present disclosure provides a razor assembly including at least one shaving blade having a cutting edge, a blade housing, and an aid supplying member. The blade housing is configured to accommodate at least one shaving blade such that a width direction of the blade housing is in parallel with a longitudinal direction of the cutting edge and includes an inlet portion, a discharge portion, and a communication portion configured to communicate the inlet portion to the discharge portion. The aid supplying member is configured to deliver a shaving aid to the inlet portion. The shaving aid that is delivered from the aid supplying member is introduced into the inlet portion, passes through the communication portion, and is discharged from the discharge portion.Type: GrantFiled: August 6, 2020Date of Patent: August 30, 2022Assignee: DORCO CO., LTD.Inventors: Da Woon Han, Jong Jin Jeong, Dong Il Kim
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Publication number: 20220115075Abstract: According to the present technology, a memory device may include memory cells configured to be programmed so that each of the memory cells has a threshold voltage corresponding to any one of a plurality of program states, a peripheral circuit configured to perform a read operation or a program operation on the memory cells, and control logic configured to control the peripheral circuit to perform a test read operation of reading the memory cells using a test read voltage that is any one read voltage among preset default read voltages, and perform a refresh program operation of applying a refresh program voltage to some memory cells among the memory cells according to the number of memory cells having a threshold voltage greater than the test read voltage.Type: ApplicationFiled: April 12, 2021Publication date: April 14, 2022Applicant: SK hynix Inc.Inventors: Won Jae CHOI, Da Woon HAN
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Publication number: 20220063120Abstract: A razor cartridge is disclosed. The present disclosure in at least one embodiment provides a razor cartridge including a blade housing and a lubrication member providing unit, wherein the blade housing is configured to accommodate at least one first shaving blade having a cutting edge and at least one second shaving blade having a cutting edge to lie in a longitudinal direction, the lubrication member providing unit is configured to provide a lubrication member, and the lubrication member providing unit is coupled to the blade housing so that the lubrication member is positioned between the first shaving blade and the second shaving blade.Type: ApplicationFiled: August 12, 2021Publication date: March 3, 2022Applicant: DORCO CO., LTD.Inventors: Da Woon Han, Shin Hwan Park
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Patent number: 11247355Abstract: At least one embodiment of the present disclosure provides a razor assembly including at least one shaving blade having a cutting edge, a blade housing, a receiving member, and an aid supplying member. The blade housing is configured to accommodate at least one shaving blade such that a width direction of the blade housing is in parallel with a longitudinal direction of the cutting edge and includes an inlet portion and a discharge portion configured to discharge a shaving aid delivered from the inlet portion. The receiving member is disposed on a rear surface of the blade housing and includes a receiving valve and a receiving hole formed on one side of the receiving valve. The aid supplying member includes a discharge end configured to discharge the shaving aid to the inlet portion. At least a portion of the discharge end, which is inserted into the receiving hole, is accommodated between the receiving valve and the blade housing.Type: GrantFiled: August 6, 2020Date of Patent: February 15, 2022Assignee: DORCO CO., LTD.Inventors: Da Woon Han, Jong Jin Jeong, Dong Il Kim
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Patent number: 11166534Abstract: A shaving aid application apparatus is disclosed. According to at least one embodiment of the present disclosure, the apparatus includes a containing portion configured to hold a shaving aid; a head coupled to one side of the containing portion, an aid applying surface formed at one surface of the head; and multiple jetting holes located at the aid applying surface. A spraying gap is defined between at least a portion of the containing portion and at least a portion of the head, and the shaving aid is expelled from the containing portion to pass through the spraying gap and provided through the multiple jetting holes.Type: GrantFiled: January 16, 2020Date of Patent: November 9, 2021Assignee: DORCO CO., LTD.Inventors: Da Woon Han, Jong Jin Jeong, Byung Sun Ahn
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Publication number: 20210187768Abstract: A razor includes a razor cartridge including at least one shaving blade, a handle having an internal space, and a head unit. The head unit includes a cartridge-engaging segment configured to be coupled to the razor cartridge, and a handle-engaging segment having at least a portion configured to be inserted into the internal space and including a first cantilever section that is configured: to be inserted into the internal space by contacting at least a portion of an inner circumferential surface of the internal space, and to be at least partially elastically deformable such that a diameter of the first cantilever section along a length of the first cantilever section decreases toward a free end of the first cantilever section contacting the inner circumferential surface initially and being squeezed toward a longitudinal central axis of the handle-engaging segment when the first cantilever section is inserted into the internal space.Type: ApplicationFiled: December 1, 2020Publication date: June 24, 2021Applicant: DORCO CO., LTD.Inventors: Young Jin LEE, Da Woon HAN, Jong Jin JEONG
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Publication number: 20210170614Abstract: The present disclosure provides a razor cartridge. According to at least one embodiment of the present disclosure, a razor cartridge includes at least one shaving blade having a cutting edge, a blade housing configured to receive the at least one shaving blade in a longitudinal direction, and an edge portion disposed on each of both lateral sides of the blade housing and including a plurality of edge protrusions formed on a corresponding surface of each edge portion.Type: ApplicationFiled: December 1, 2020Publication date: June 10, 2021Applicant: DORCO CO., LTD.Inventor: Da Woon HAN
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Patent number: D930242Type: GrantFiled: October 2, 2019Date of Patent: September 7, 2021Assignee: DORCO CO., LTD.Inventors: Su Hyun Chae, Da Woon Han
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Patent number: D995905Type: GrantFiled: December 30, 2020Date of Patent: August 15, 2023Assignee: DORCO CO., LTD.Inventors: Young Jin Lee, Jong Jin Jeong, Da Woon Han
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Patent number: D995907Type: GrantFiled: December 30, 2020Date of Patent: August 15, 2023Assignee: DORCO CO., LTD.Inventors: Young Jin Lee, Jong Jin Jeong, Da Woon Han