Patents by Inventor Cho-Ying Chen
Cho-Ying Chen 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: 20240088224Abstract: A semiconductor structure includes a first gate structure, a second gate structure coupled to the first gate structure, a source region, a first drain region, and a second drain region. The source region is surrounded by the first gate structure and the second gate structure. The first drain region is separated from the source region by the first gate structure. The second drain region is separated from the source region by the second gat structure. A shape of the first drain region and a shape of the second drain region are different from each other from a plan view.Type: ApplicationFiled: November 14, 2023Publication date: March 14, 2024Inventors: HSING-I TSAI, FU-HUAN TSAI, CHIA-CHUNG CHEN, HSIAO-CHUN LEE, CHI-FENG HUANG, CHO-YING LU, VICTOR CHIANG LIANG
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Patent number: 9168338Abstract: A syringe with a blocking structure, and the structure includes a one-way engagement unit having a propping portion, a flange extended outwardly from a rod and abutted with a cylindrical body, and a flexible bracket extended outwardly from the rod and isolated from the propping portion, and the flexible bracket has an external diameter greater than the propping portion. When the rod is moved forward with respect to the cylindrical body to pass through the flange, the flange abuts the flexible bracket to tilt backward. When the rod is moved backward with respect to the cylindrical body, the flange abuts the flexible bracket to tilt the flexible bracket forward, and the propping portion blocks the flexible bracket.Type: GrantFiled: April 29, 2013Date of Patent: October 27, 2015Inventor: Cho-Ying Chen
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Patent number: 9044551Abstract: A safety syringe includes a barrel, a plunger, and a needle hub. The barrel is extended axially and includes a first tube portion, a second tube portion extended from an end of the first tube portion, and a first folded ring flexibly branched and formed on an inner side of the first tube portion and disposed around the axis, such that after the first folded ring is unfolded, the first folded ring is bounded and extended from the first tube portion towards the second tube portion, and includes a movable first flexible portion. The plunger includes a rod extended along the axis. The needle hub is detachably installed in second tube portion. The plunger can be moved to an injecting position, a limit position, and a disposal position with respect to the needle hub.Type: GrantFiled: October 2, 2012Date of Patent: June 2, 2015Assignees: LEE HSHIN CHUNGInventor: Cho-Ying Chen
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Publication number: 20130338605Abstract: A syringe with a blocking structure, and the structure includes a one-way engagement unit having a propping portion, a flange extended outwardly from a rod and abutted with a cylindrical body, and a flexible bracket extended outwardly from the rod and isolated from the propping portion, and the flexible bracket has an external diameter greater than the propping portion. When the rod is moved forward with respect to the cylindrical body to pass through the flange, the flange abuts the flexible bracket to tilt backward. When the rod is moved backward with respect to the cylindrical body, the flange abuts the flexible bracket to tilt the flexible bracket forward, and the propping portion blocks the flexible bracket.Type: ApplicationFiled: April 29, 2013Publication date: December 19, 2013Inventor: CHO-YING CHEN
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Publication number: 20130116619Abstract: A safety syringe includes a barrel, a plunger, and a needle hub. The barrel is extended axially and includes a first tube portion, a second tube portion extended from an end of the first tube portion, and a first folded ring flexibly branched and formed on an inner side of the first tube portion and disposed around the axis, such that after the first folded ring is unfolded, the first folded ring is bounded and extended from the first tube portion towards the second tube portion, and includes a movable first flexible portion. The plunger includes a rod extended along the axis. The needle hub is detachably installed in second tube portion. The plunger can be moved to an injecting position, a limit position, and a disposal position with respect to the needle hub.Type: ApplicationFiled: October 2, 2012Publication date: May 9, 2013Inventor: Cho-Ying CHEN
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Patent number: 7946873Abstract: A plug with a spark meltdown-proof structure for a spark damaged-proof effect is mainly comprised of two center hinged inserters that can be pressed for angle rotation, each inserter has a conductor, one end of which is connected with the output electric wire and the other end is connected or disconnected with the inserting conductor which can be inserted into the socket; through the said structure, when the plug is released from or inserted into the socket, current can be disconnected first at the instant to prevent conductors sparks-meltdown problems in the plug insertion process from happening.Type: GrantFiled: October 24, 2008Date of Patent: May 24, 2011Inventor: Cho-Ying Chen
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Publication number: 20100273339Abstract: A plug with a spark meltdown-proof structure for a spark damaged-proof effect is mainly comprised of two center hinged inserters that can be pressed for angle rotation, each inserter has a conductor, one end of which is connected with the output electric wire and the other end is connected or disconnected with the inserting conductor which can be inserted into the socket; through the said structure, when the plug is released from or inserted into the socket, current can be disconnected first at the instant to prevent conductors sparks-meltdown problems in the plug insertion process from happening.Type: ApplicationFiled: October 24, 2008Publication date: October 28, 2010Inventor: Cho-Ying Chen
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Patent number: 7794433Abstract: An improved assembly of plunger and needle hub for a safety syringe needle device is disclosed, which comprises a syringe barrel, a needle hub and a plunger. The syringe barrel is shaped as a tube and has an interior periphery thereof shaped as a straight tube. The needle hub is inserted into the syringe barrel and has an integrated combining ring, which is bent inward as a hook and has a crease whereon the combining ring is bent inward. The needle hub has a nozzle jutting out of the syringe barrel for connecting a needle. The plunger comprises a plug for being fitly received by the syringe barrel and a front end thereof can be pierced through and coupled with the combining ring.Type: GrantFiled: January 31, 2007Date of Patent: September 14, 2010Inventor: Cho-Ying Chen
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Publication number: 20100185147Abstract: A disposable safety syringe structure provides a safe application of an injection syringe and comprises a barrel body having a positioning seat and a latch slot, and the needle seat includes an inverted hook plate, a protruding pillar, a latch block, a push rod, and a plunger having a circular flange, such that when a liquid medicine is injected, the latch block of the protruding pillar of the needle seat is combined with the latch slot of the positioning seat of the barrel body, and after the liquid medicine is injected, the plunger of the push rod is forced to be plugged into the needle seat integrally, and the latch block of the protruding pillar is separated from the latch slot of the positioning seat, and the needle seat together with the injection needle are hidden into the barrel body to prevent the injection needle from piercing users and others.Type: ApplicationFiled: January 22, 2010Publication date: July 22, 2010Inventor: Cho-Ying Chen
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Patent number: 7588451Abstract: A plug with a spark meltdown-proof structure for a spark damaged-proof effect is mainly comprised of two center hinged inserters that can be pressed for angle rotation, each inserter has a conductor, one end of which is for inserting connection with the socket conductor, and the other end has a platinum contact. The plug is further installed with the conducting pieces which have platinum contacts and are connected with the electric wires. Through the said structure, the current can be disconnected first at the instant when the plug is inserted into or released from the socket, whereby to prevent the conductors sparks-meltdown problems in the plug insertion process from happening.Type: GrantFiled: December 12, 2007Date of Patent: September 15, 2009Inventor: Cho-Ying Chen
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Publication number: 20080146085Abstract: A plug with a spark meltdown-proof structure for a spark damaged-proof effect is mainly comprised of two center hinged inserters that can be pressed for angle rotation, each inserter has a conductor, one end of which is for inserting connection with the socket conductor, and the other end has a platinum contact. The plug is further installed with the conducting pieces which have platinum contacts and are connected with the electric wires. Through the said structure, the current can be disconnected first at the instant when the plug is inserted into or released from the socket, whereby to prevent the conductors sparks-meltdown problems in the plug insertion process from happening.Type: ApplicationFiled: December 12, 2007Publication date: June 19, 2008Inventor: Cho-Ying Chen
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Publication number: 20070244443Abstract: An improved assembly of plunger and needle hub for a safety syringe needle device is disclosed, which comprises a syringe barrel, a needle hub and a plunger. The syringe barrel is shaped as a tube and has an interior periphery thereof shaped as a straight tube. The needle hub is inserted into the syringe barrel and has an integrated combining ring, which is bent inward as a hook and has a crease whereon the combining ring is bent inward. The needle hub has a nozzle jutting out of the syringe barrel for connecting a needle. The plunger comprises a plug for being fitly received by the syringe barrel and a front end thereof can be pierced through and coupled with the combining ring.Type: ApplicationFiled: January 31, 2007Publication date: October 18, 2007Inventor: Cho Ying Chen
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Patent number: 7179243Abstract: A syringe with a snapping device for backward pulling the needle into the syringe after syringing includes a hollow barrel having an annular shoulder laterally extending from an inner periphery near a front end and two sector apertures defined in and extending through the annular shoulder. The snapping device is detachably secured in the front end of the hollow barrel and includes an annular flange laterally extending therefrom. Two snappers downward extend from the snapping device and are engaged to the annular shoulder to longitudinally position the snapping device. A first connector is formed on the snapping device opposite the hollow stub. A plunger is slidably and partially received in the hollow barrel. A second connector extends from a bulb and is selectively connected to the first connector for turning and backward pulling the snapping device into the hollow barrel.Type: GrantFiled: May 9, 2003Date of Patent: February 20, 2007Inventor: Cho Ying Chen
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Publication number: 20040225263Abstract: A syringe with a snapping device for backward pulling the needle into the syringe after syringing includes a hollow barrel having an annular shoulder laterally extending from an inner periphery near a front end and two sector apertures defined in and extending through the annular shoulder. The snapping device is detachably secured in the front end of the hollow barrel and includes an annular flange laterally extending therefrom. Two snappers downward extend from the snapping device and engaged to the annular shoulder to longitudinally position the snapping device. A first connector is formed on the snapping device opposite to the hollow stub. A plunger is slidably and partially received in the hollow barrel. A second connector extends from the bulb and is selectively connected the first connector for turning and backward pulling the snapping device into the hollow barrel.Type: ApplicationFiled: May 9, 2003Publication date: November 11, 2004Inventor: Cho Ying Chen
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Publication number: 20040082921Abstract: An infusion port apparatus of a vascular infusion assembly includes a first post longitudinally communicating with a guide post of the vascular infusion assembly and a second post extending from the first post to form a corner and communicating with the first post. A feeder is partially airtightly received in the second post. The feeder includes a hollow shank having a first end extending into and received in the second post, and a second end opposite to the first end of the hollow shank. Multiple holes are defined in the hollow shank near the first end of the hollow shank and laterally communicating with an inner periphery of the hollow shank. A resilient ring is mounted around the hollow shank to selectively close the multiple holes in the hollow shank.Type: ApplicationFiled: October 20, 2003Publication date: April 29, 2004Inventor: Cho Ying Chen
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Patent number: 6599270Abstract: A syringe includes a hollow barrel and a plunger partially and movably received in the hollow barrel. A connector centrally extends toward the first end of the hollow barrel from the plunger. A snapping device includes a body slidably received in the hollow barrel and selectively engaged to the connector. Two locking member downward extend from the annular protrusion. Each locking member has a first hook formed on a middle portion and extending toward the inner periphery of the hollow barrel to engage to the hollow barrel. A hollow stub extends from the body. An annular slit is defined in the hollow stub. A second hook extends from the locking member and is selectively engaged to the annular slit. A pusher extends through the hollow barrel such that the first hook is detached from the hollow barrel when the pusher is inward compressed.Type: GrantFiled: October 29, 2002Date of Patent: July 29, 2003Inventor: Cho Ying Chen
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Patent number: 6432082Abstract: A safety syringe in which the needle holder has a mounting unit fixedly fastened to the front end of the barrel, a body holding a needle cannula outside the barrel, a breakable slotted connecting portion connected between the mounting unit and the body, and a rear engagement block, and the plunger has a front tubular retaining member adapted to engage the rear engagement block for enabling the needle cannula with the body of the needle holder to be separated from the mounting unit and moved backwards with the plunger to the inside of the barrel after the service of the safety syringe.Type: GrantFiled: March 20, 2001Date of Patent: August 13, 2002Inventor: Cho-Ying Chen