Patents by Inventor Kuo-Chen Liu
Kuo-Chen Liu 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: 20240118135Abstract: An information handling system includes a display panel having an active area that generates visual images and an inactive area disposed outside the active area. The inactive area having an alignment mark that is invisible to a naked eye.Type: ApplicationFiled: October 7, 2022Publication date: April 11, 2024Inventors: Hong-Ji Huang, Yu-Chen Liu, Kuo-Wei Tseng, Chun-Wei Huang, Chi-Fong Lee
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Publication number: 20240120313Abstract: A chip package structure is provided. The chip package structure includes a chip. The chip package structure includes a conductive ring-like structure over and electrically insulated from the chip. The conductive ring-like structure surrounds a central region of the chip. The chip package structure includes a first solder structure over the conductive ring-like structure. The first solder structure and the conductive ring-like structure are made of different materials.Type: ApplicationFiled: December 18, 2023Publication date: April 11, 2024Inventors: Sheng-Yao YANG, Ling-Wei LI, Yu-Jui WU, Cheng-Lin HUANG, Chien-Chen LI, Lieh-Chuan CHEN, Che-Jung CHU, Kuo-Chio LIU
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Patent number: 11359761Abstract: A multipurpose holder includes a base seat having opposite first and second end portions, a support rod including a pivot end portion connected pivotally to the first end portion, and a detent member including a pivot connecting portion proximate to the second end portion, and a pressed portion and a connecting end portion located on two opposite sides of the pivot connecting portion. The support rod is movable between stored and propped-up positions, in which it abuts against the base seat and a free end portion thereof is distal to the base seat, respectively. The connecting end portion is movable between first and second positions, in which it is proximate and distal to the base seat, respectively.Type: GrantFiled: April 13, 2021Date of Patent: June 14, 2022Inventor: Kuo-Chen Liu
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Publication number: 20210324994Abstract: A multipurpose holder includes a base seat having opposite first and second end portions, a support rod including a pivot end portion connected pivotally to the first end portion, and a detent member including a pivot connecting portion proximate to the second end portion, and a pressed portion and a connecting end portion located on two opposite sides of the pivot connecting portion. The support rod is movable between stored and propped-up positions, in which it abuts against the base seat and a free end portion thereof is distal to the base seat, respectively. The connecting end portion is movable between first and second positions, in which it is proximate and distal to the base seat, respectively.Type: ApplicationFiled: April 13, 2021Publication date: October 21, 2021Inventor: Kuo-Chen Liu
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Patent number: 7424841Abstract: A screw bit positioning device includes a tube which has a first hole and a second hole respectively defined through a wall thereof so that a first bead and a second bead are respectively engaged the first and second holes. A movable member is movably received in the passage and located between a stop and a first spring. A sleeve is movably mounted to the tube and cooperates with a second spring mounted on the tube such that when the sleeve is moved, the first and second beads are simultaneously pressed into the tube or received in two respective spaces in the inner periphery of the sleeve. The screw bit and the movable member are positioned when the first and second beads are merged into the tube. When the first and second beads are released, the screw bit is pushed out from the tube by the first spring.Type: GrantFiled: November 27, 2006Date of Patent: September 16, 2008Inventor: Kuo-Chen Liu
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Patent number: 7374042Abstract: A tool box includes a housing having a number of orifices formed in an upper wall, and a carrier slidably received in the housing and having a number of socket openings for receiving tool members. The carrier is slidable relative to the housing for selectively moving the tool members in and out of the housing. A spring member may be engaged between the housing and the carrier, for biasing the carrier to move the tool members out of the housing. The carrier includes a bore for slidably receiving a guide post of the housing, and for guiding the carrier to move up and down relative to the housing. An anchoring device may anchor the carrier to the housing at the inwardly storing position.Type: GrantFiled: April 20, 2005Date of Patent: May 20, 2008Assignee: Jeoutay Liu International Co., Ltd.Inventor: Kuo Chen Liu
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Patent number: 7360654Abstract: An opener box comprises a seat; a receiving box formed at a front end of the seat; the receiving box being openable; a rear side of the seat formed with a receiving section; a rear end of the receiving section being installed with a plurality of protrusions; each protrusion having a cambered side; a receiving frame for receiving opener heads; the receiving frame being formed with a plurality of receiving cylinders; each receiving cylinder having a hollow structure and two ends of the receiving cylinder having two openings; a lower side of each receiving cylinder having a slit; the receiving frame can be pivotally installed to the seat; a rear side of the receiving cylinder being enlarged for receiving a plurality of retaining seat; the retaining seat being slidably installed into a rear end of a respective one of the receiving cylinders.Type: GrantFiled: December 7, 2004Date of Patent: April 22, 2008Inventor: Kuo-Chen Liu
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Publication number: 20080072718Abstract: A screw bit positioning device includes a tube which has a first hole and a second hole respectively defined through a wall thereof so that a first bead and a second bead are respectively engaged the first and second holes. A movable member is movably received in the passage and located between a stop and a first spring. A sleeve is movably mounted to the tube and cooperates with a second spring mounted on the tube such that when the sleeve is moved, the first and second beads are simultaneously pressed into the tube or received in two respective spaces in the inner periphery of the sleeve. The screw bit and the movable member are positioned when the first and second beads are merged into the tube. When the first and second beads are released, the screw bit is pushed out from the tube by the first spring.Type: ApplicationFiled: November 27, 2006Publication date: March 27, 2008Inventor: Kuo-Chen Liu
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Patent number: 7293484Abstract: An opener head retainer comprises a handle held by users; a front end of the handle having a receiving groove; an operation portion capable of being inserted into the receiving groove; a receiving portion formed by a casing, an inserting disk, an elastomer, and a cover. An inner side of the casing has a receiving space for receiving the inserting disk and the elastomer. A periphery of the through hole has two lower inclined resisting sheets. A lower side of the inserting disk is enclosed by two upper inclined resisting sheets capable of resisting against the two lower inclined resisting sheets so to control the vertical orientation of the inserting disk in the casing. Each of the opener heads is placed between a corresponding one of the clamping groove and a corresponding one of the receiving openings.Type: GrantFiled: January 24, 2005Date of Patent: November 13, 2007Inventor: Kuo-Chen Liu
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Publication number: 20070234856Abstract: A magnetic connecting tube for a screwdriver head including a main body, a push sleeve, an engaging piece, a compression ball, a blocking ring, a spring element, a polygonal bar, an stationary magnet, and a mobile magnet. A slide sleeve is mounted on the mobile magnet that is synchronically movable with the slide sleeve. The slide sleeve is disposed at a position corresponding to that of the compression ball. Moreover, the slide sleeve includes an axial guide slot with a deep top and a shallow bottom. In this way, the movement of the mobile magnet can be restricted by the interaction of the compression ball and the spring element. Meanwhile, it is easy to complete the initial process of the insertion of the polygonal screwdriver bit without moving the push sleeve. Accordingly, a simple operation can be ensured.Type: ApplicationFiled: April 5, 2006Publication date: October 11, 2007Inventor: Kuo-Chen Liu
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Publication number: 20060162508Abstract: An opener head retainer comprises a handle held by users; a front end of the handle having a receiving groove; an operation portion capable of being inserted into the receiving groove; a receiving portion formed by a casing, an inserting disk, an elastomer, and a cover. An inner side of the casing has a receiving space for receiving the inserting disk and the elastomer. A periphery of the through hole has two lower inclined resisting sheets. A lower side of the inserting disk is enclosed by two upper inclined resisting sheets capable of resisting against the two lower inclined resisting sheets so to control the vertical orientation of the inserting disk in the casing. Each of the opener heads is placed between a corresponding one of the clamping groove and a corresponding one of the receiving openings.Type: ApplicationFiled: January 24, 2005Publication date: July 27, 2006Inventor: Kuo-Chen Liu
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Patent number: 7066054Abstract: A ratchet wrench includes a base connected to a handle and a cylindrical top on the base has two recesses for receiving two pawls therein. Each recess includes a hole in an inner bottom thereof so that the two pawls are pivotably inserted in the two holes by their respective shafts. A ring is rotatably mounted to the cylindrical top and has a concaved area for allowing at least one of the two pawls to be extended outward. A driving member having a skirt portion which has teeth defined in an inner periphery thereof and the teeth are engaged with at least one of the two pawls. The base is easily to be manufactured and the two shafts of the two pawls are easily to be assembled in the recesses.Type: GrantFiled: March 19, 2004Date of Patent: June 27, 2006Inventor: Kuo-Chen Liu
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Publication number: 20060118446Abstract: An opener box comprises a seat; a receiving box formed at a front end of the seat; the receiving box being openable; a rear side of the seat formed with a receiving section; a rear end of the receiving section being installed with a plurality of protrusions; each protrusion having a cambered side; a receiving frame for receiving opener heads; the receiving frame being formed with a plurality of receiving cylinders; each receiving cylinder having a hollow structure and two ends of the receiving cylinder having two openings; a lower side of each receiving cylinder having a slit; the receiving frame can be pivotally installed to the seat; a rear side of the receiving cylinder being enlarged for receiving a plurality of retaining seat; the retaining seat being slidably installed into a rear end of a respective one of the receiving cylinders.Type: ApplicationFiled: December 7, 2004Publication date: June 8, 2006Inventor: Kuo-Chen Liu
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Patent number: 7032483Abstract: A toolbox screwdriver comprises a base, a first bracket and a second bracket. The first bracket and the second bracket are pivotally mounted on the base. The base has a plurality of projections, corresponding to a plurality of notches on the second bracket. The second bracket further includes a plurality of receptacle holes each for retaining a screwdriver head, which will be pushed upward by the projections as the first bracket is opened. The first bracket has a receptacle hole corresponding to an insertion hole on the base as the first bracket is retracted onto the base. The insertion hole of the base is for the insertion of a screwdriver rod, so that the toolbox can be used as a screwdriver.Type: GrantFiled: June 15, 2004Date of Patent: April 25, 2006Inventor: Kuo-Chen Liu
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Publication number: 20050274240Abstract: A toolbox screwdriver comprises a base, a first bracket and a second bracket. The first bracket and the second bracket are pivotally mounted on the base. The base has a plurality of projections, corresponding to a plurality of notches on the second bracket. The second bracket further includes a plurality of receptacle holes each for retaining a screwdriver head, which will be pushed upward by the projections as the first bracket is opened. The first bracket has a receptacle hole corresponding to an insertion hole on the base as the first bracket is retracted onto the base. The insertion hole of the base is for the insertion of a screwdriver rod, so that the toolbox can be used as a screwdriver.Type: ApplicationFiled: June 15, 2004Publication date: December 15, 2005Inventor: Kuo-Chen Liu
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Publication number: 20050247155Abstract: A bending structure of a bendable opener comprises a bending portion having a combining tube and a connecting tube. The combining tube and the connecting tube have respective inclined surfaces. The two inclined surfaces are combined and the combining tube is rotatable with respect to the connecting tube. A driving portion is installed in the combining tube and a driven portion is installed in the connecting tube. A driven portion serves to connect the driving portion to the driven portion and is installed in the combining tube and connecting tube. By above structure, to adjust the position of the combining tube corresponding to the connecting tube will cause the opener to be a straight opener or a bending opener.Type: ApplicationFiled: May 4, 2004Publication date: November 10, 2005Inventor: Kuo-Chen Liu
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Publication number: 20050204868Abstract: A ratchet wrench includes a base connected to a handle and a cylindrical top on the base has two recesses for receiving two pawls therein. Each recess includes a hole in an inner bottom thereof so that the two pawls are pivotably inserted in the two holes by their respective shafts. A ring is rotatably mounted to the cylindrical top and has a concaved area for allowing at least one of the two pawls to be extended outward. A driving member having a skirt portion which has teeth defined in an inner periphery thereof and the teeth are engaged with at least one of the two pawls. The base is easily to be manufactured and the two shafts of the two pawls are easily to be assembled in the recesses.Type: ApplicationFiled: March 19, 2004Publication date: September 22, 2005Inventor: Kuo-Chen Liu
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Patent number: RE38729Abstract: An electric-powered tool includes a handle for receiving batteries herein and a barrel with a driving shaft rotatably connected to the distal end of the barrel portion. The driving shaft is controlled by a switch which is electrically connected between the batteries and the driving shaft. An illuminating device includes two bulbs attached beside the driving shaft and the bulbs are electrically connected to the switch so that when turning on the switch, the bulbs light to illuminate the object to be worked with.Type: GrantFiled: April 1, 2002Date of Patent: April 26, 2005Assignee: ICC Innovative Concepts CorporationInventor: Kuo-Chen Liu
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Patent number: D507733Type: GrantFiled: April 23, 2004Date of Patent: July 26, 2005Inventor: Kuo-Chen Liu
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Patent number: D510248Type: GrantFiled: April 23, 2004Date of Patent: October 4, 2005Inventor: Kuo-Chen Liu