Patents by Inventor Li-Wen Weng
Li-Wen Weng 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: 11426181Abstract: A tool for a bone implant includes a sleeve and a transmission rod including a transmission member disposed on an end of a shaft. Another end of the shaft is located outside of the sleeve. The transmission member is received in the sleeve and includes a first compartment and a plurality of first teeth surrounding the first compartment. A drilling rod includes a second compartment and a plurality of second teeth surrounding the second compartment. A coupling portion is disposed between the second compartment and a bit. The coupling portion is coupled with the sleeve. The bit is located outside of the sleeve. Two magnets are disposed in the first and second compartments, respectively. Two same poles respectively of the two magnets face each other.Type: GrantFiled: February 2, 2021Date of Patent: August 30, 2022Assignee: METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTREInventors: Tung-Lin Tsai, Chun-Chieh Tseng, Yue-Jun Wang, Chun-Ming Chen, Li-Wen Weng, Pei-Hua Wang
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Patent number: 11369362Abstract: A fibrocartilage suturing device is provided to solve the problem where the conventional procedure of the surgery is inconvenient. The fibrocartilage suturing device includes a tube assembly, a tubular member, and an anchor. The tube assembly extends through the tube assembly and includes an insertion section. The movement member is coupled with the tube assembly and includes a thrust rod extending through the tubular member. The anchor is located at one end of the thrust rod and includes a body and at least two wings connected to the body is able to be folded and unfolded relative to the body. The body of the anchor is connected to an end of a thread. Another end of the thread is connected to the tubular member.Type: GrantFiled: September 12, 2019Date of Patent: June 28, 2022Assignee: METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTREInventors: Chen-Chie Wang, Po-Chih Chow, Yue-Jun Wang, Shih-Hua Huang, Chih-Lung Lin, Tung-Lin Tsai, Chun-Chieh Tseng, Li-Wen Weng
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Publication number: 20220133336Abstract: A tool for a bone implant includes a sleeve and a transmission rod including a transmission member disposed on an end of a shaft. Another end of the shaft is located outside of the sleeve. The transmission member is received in the sleeve and includes a first compartment and a plurality of first teeth surrounding the first compartment. A drilling rod includes a second compartment and a plurality of second teeth surrounding the second compartment. A coupling portion is disposed between the second compartment and a bit. The coupling portion is coupled with the sleeve. The bit is located outside of the sleeve. Two magnets are disposed in the first and second compartments, respectively. Two same poles respectively of the two magnets face each other.Type: ApplicationFiled: February 2, 2021Publication date: May 5, 2022Inventors: Tung-Lin Tsai, Chun-Chieh Tseng, Yue-Jun Wang, Chun-Ming Chen, Li-Wen Weng, Pei-Hua Wang
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Patent number: 10939945Abstract: A minimally invasive bone fracture positioning device includes a sleeve, a movable unit, and a support. The sleeve includes an alignment portion located on a longitudinal axis of the sleeve. The movable unit includes a positioning portion. The positioning portion is located on the longitudinal axis and is spaced from the alignment portion. The movable unit is mounted in a radial direction of the sleeve. The movable unit is slideable relative to the sleeve along the longitudinal axis. A support is coupled to the sleeve and the movable unit. The movable unit is spaced from the sleeve by the support.Type: GrantFiled: November 16, 2017Date of Patent: March 9, 2021Assignee: METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTREInventors: Yue-Jun Wang, Chih-Hao Chang, Shih-Hua Huang, Chih-Lung Lin, Tung-Lin Tsai, Chun-Chieh Tseng, Li-Wen Weng
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Publication number: 20200155138Abstract: A fibrocartilage suturing device is provided to solve the problem where the conventional procedure of the surgery is inconvenient. The fibrocartilage suturing device includes a tube assembly, a tubular member, and an anchor. The tube assembly extends through the tube assembly and includes an insertion section. The movement member is coupled with the tube assembly and includes a thrust rod extending through the tubular member. The anchor is located at one end of the thrust rod and includes a body and at least two wings connected to the body is able to be folded and unfolded relative to the body. The body of the anchor is connected to an end of a thread. Another end of the thread is connected to the tubular member.Type: ApplicationFiled: September 12, 2019Publication date: May 21, 2020Inventors: Chen-Chie WANG, Po-Chih Chow, Yue-Jun Wang, Shih-Hua Huang, Chih-Lung Lin, Tung-Lin Tsai, Chun-Chieh Tseng, Li-Wen Weng
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Publication number: 20190184464Abstract: A 3D printing method of a metal object includes stacking molten metal powders along an outlined path to form a metal object. An inert gas is introduced into a chamber with the metal object inside, and the metal object is hot isostatic pressed in the chamber at 80-120 MPa and 900-1000° C. for 1-4 hours.Type: ApplicationFiled: December 18, 2017Publication date: June 20, 2019Inventors: Yue-Jun Wang, Chun-Chieh Tseng, Li-Wen Weng, Tung-Lin Tsai, Ying-Cheng Lu, Chiu-Feng Lin
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Publication number: 20190142488Abstract: A minimally invasive bone fracture positioning device includes a sleeve, a movable unit, and a support. The sleeve includes an alignment portion located on a longitudinal axis of the sleeve. The movable unit includes a positioning portion. The positioning portion is located on the longitudinal axis and is spaced from the alignment portion. The movable unit is mounted in a radial direction of the sleeve. The movable unit is slideable relative to the sleeve along the longitudinal axis. A support is coupled to the sleeve and the movable unit. The movable unit is spaced from the sleeve by the support.Type: ApplicationFiled: November 16, 2017Publication date: May 16, 2019Inventors: Yue-Jun Wang, Chih-Hao Chang, Shih-Hua Huang, Chih-Lung Lin, Tung-Lin Tsai, Chun-Chieh Tseng, Li-Wen Weng
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Patent number: 10258379Abstract: A mandibular fixation device overcomes the low operability of the conventional mandibular fixation device. The mandibular fixation device includes a sleeve, a first screw rod, a second screw rod and two positioning members. The sleeve includes two ends respectively provided with first and second screw holes. The first and second screw holes have opposite spiral directions. The first screw rod has a first threaded portion and a first assembly portion. The first threaded portion is threadedly engaged with the first screw hole, and the first assembly portion is located outside of the sleeve. The second screw rod has a second threaded portion and a second assembly portion. The second threaded portion is threadedly engaged with the second screw hole, and the second assembly portion is located outside of the sleeve. The two positioning members are coupled with the first and second assembly portions, respectively.Type: GrantFiled: December 9, 2016Date of Patent: April 16, 2019Assignee: Metal Industries Research & Development CentreInventors: Yue-Jun Wang, Tung-Lin Tsai, Chun-Chieh Tseng, Li-Wen Weng, Chih-Lung Lin
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Patent number: 10258475Abstract: A femur supporting device includes a femoral stem having a plurality of inclined passages. The femoral stem includes an inner side and an outer side. Each inclined passage includes an outlet in the inner side and an inlet in the outer side. Each inclined passage inclines upward from the inlet to the outlet. A plurality of supporting rods extends through the inclined passages. A first engaging end of each supporting rod extends out of the outlet of one of the inclined passages. A second engaging end of each supporting rod extends out of the inlet of one of the inclined passages. The first engaging end of each supporting rod is engaged with one of a plurality of first engaging portions in a trochanter head. The second engaging end of each supporting rod is engaged with one of a plurality of second engaging portions of a fixing unit.Type: GrantFiled: May 3, 2017Date of Patent: April 16, 2019Assignee: Metal Industries Research & Development CentreInventors: Tung-Lin Tsai, Chia-Lung Li, Shih-Hua Huang, Pei-Hua Wang, Chun-Chieh Tseng, Yue-Jun Wang, Li-Wen Weng
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Publication number: 20180161068Abstract: A mandibular fixation device is provided to overcome the low operability of the conventional mandibular fixation device. The mandibular fixation device includes a sleeve, a first screw rod, a second screw rod and two positioning members. The sleeve includes two ends respectively provided with first and second screw holes. The first and second screw holes have opposite spiral directions. The first screw rod has a first threaded portion and a first assembly portion. The first threaded portion is threadedly engaged with the first screw hole, and the first assembly portion is located outside of the sleeve. The second screw rod has a second threaded portion and a second assembly portion. The second threaded portion is threadedly engaged with the second screw hole, and the second assembly portion is located outside of the sleeve. The two positioning members are coupled with the first and second assembly portions, respectively.Type: ApplicationFiled: December 9, 2016Publication date: June 14, 2018Inventors: Yue-Jun Wang, Tung-Lin Tsai, Chun-Chieh Tseng, Li-Wen Weng, Chih-Lung Lin
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Publication number: 20180148383Abstract: A ceramic surface treatment method includes the following steps. An antibacterial ion and a sol-gel solution containing a silane compound are mixed to form a treatment solution. Next, a ceramic substrate is placed in the treatment solution to perform a treatment bonding reaction such that the antibacterial ion in the treatment solution can be grafted to the surface of the ceramic substrate via the silane compound. Next, a sintering condensation reaction is performed on the ceramic substrate after the treatment bonding reaction to form a protective film on the surface of the ceramic substrate. The protective film is attached to the surface of the ceramic substrate via a hydrophobic layer, and the antibacterial ion is spread on the hydrophobic layer.Type: ApplicationFiled: June 29, 2017Publication date: May 31, 2018Applicant: Metal Industries Research & Development CentreInventors: Li-Wen Weng, Chun-Chieh Tseng, Yau-Chia Liu, Chih-Lung Lin
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Patent number: 9980791Abstract: An orthodontic remodeling device includes a sleeve having first and second screw holes in two ends thereof. The first and second screw holes have opposite thread directions. A first screw rod includes a first threaded portion threadedly engaged with the first screw hole and a first assembling portion exposed outside of the sleeve. A second screw hole includes a second threaded portion threadedly engaged with the second screw hole and a second assembling portion exposed outside of the sleeve. Two tooth pushing members are respectively engaged with the first and second assembling portions. Each tooth pushing member includes at least one tooth coupling ring mounted on at least one tooth of a patient for pushing the at least one tooth outward. The sleeve is rotatable to move the first and second screw rods toward or away from each other to change a relative position between the two tooth pushing members.Type: GrantFiled: April 19, 2017Date of Patent: May 29, 2018Assignee: Metal Industries Research & Development CentreInventors: Yue-Jun Wang, Tung-Lin Tsai, Chun-Chieh Tseng, Li-Wen Weng, Chih-Lung Lin
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Publication number: 20180055646Abstract: A femur supporting device includes a femoral stem having a plurality of inclined passages. The femoral stem includes an inner side and an outer side. Each inclined passage includes an outlet in the inner side and an inlet in the outer side. Each inclined passage inclines upward from the inlet to the outlet. A plurality of supporting rods extends through the inclined passages. A first engaging end of each supporting rod extends out of the outlet of one of the inclined passages. A second engaging end of each supporting rod extends out of the inlet of one of the inclined passages. The first engaging end of each supporting rod is engaged with one of a plurality of first engaging portions in a trochanter head. The second engaging end of each supporting rod is engaged with one of a plurality of second engaging portions of a fixing unit.Type: ApplicationFiled: May 3, 2017Publication date: March 1, 2018Inventors: Tung-Lin Tsai, Chia-Lung Li, Shih-Hua Huang, Pei-Hua Wang, Chun-Chieh Tseng, Yue-Jun Wang, Li-Wen Weng
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Patent number: 9765442Abstract: An electrolyte for surface treatment of a metal implant includes 10-30 wt % of a sulfur-containing compound aqueous solution, 3-10 wt % of a phosphorous-containing compound aqueous solution, 0.5-2 wt % of an oxidant aqueous solution, and 0.5-5 wt % of a surfactant aqueous solution, with the rest being water. The concentration of the sulfur-containing compound aqueous solution is 0.1-3 M. The concentration of the phosphorous-containing compound aqueous solution is 0.05-2 M. The concentration of the oxidant aqueous solution is 0.05-1 M. The concentration of the surfactant aqueous solution is 0.05-5 M. The electrolyte is utilized for treating a surface of a metal implant, forming a porous oxide layer on the surface of the metal implant.Type: GrantFiled: December 14, 2015Date of Patent: September 19, 2017Assignee: Metal Industries Research & Development CentreInventors: Li-Wen Weng, Chun-Chieh Tseng, Yue-Jun Wang, Ho-Chung Fu, Tzyy-Ker Sue
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Publication number: 20170167043Abstract: The present invention provides an electrolyte for surface treatment of a metal implant including 10-30 wt % of a sulfur-containing compound aqueous solution, 3-10 wt % of a phosphorous-containing compound aqueous solution, 0.5-2 wt % of an oxidant aqueous solution, and 0.5-5 wt % of a surfactant aqueous solution, with the rest being water. The concentration of the sulfur-containing compound aqueous solution is 0.1-3 M. The concentration of the phosphorous-containing compound aqueous solution is 0.05-2 M. The concentration of the oxidant aqueous solution is 0.05-1 M. The concentration of the surfactant aqueous solution is 0.05-5 M. As such, it is able to utilize the electrolyte for treating a surface of a metal implant, forming a porous oxide layer on the surface of the metal implant.Type: ApplicationFiled: December 14, 2015Publication date: June 15, 2017Inventors: Li-Wen Weng, Chun-Chieh Tseng, Yue-Jun Wang, Ho-Chung Fu, Tzyy-Ker Sue
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Patent number: 9506161Abstract: A surface treatment of a magnesium alloy includes preparing a substrate of magnesium alloy, micro-arc oxidizing the substrate of magnesium alloy, forming an oxide layer with a hydroxyl group on the substrate of magnesium alloy, silylizing the oxide layer of the substrate of magnesium alloy with the oxide layer, by soaking the substrate of magnesium alloy in a processing solution with a silyl group-containing compound for 1-300 minutes, and placing the substrate of magnesium alloy with the silylized oxide layer at 70-200° C. for 1-300 minutes, allowing a condensation reaction to occur. The manufactured surface-treated magnesium alloy shows a decreased degradation rate in vivo.Type: GrantFiled: December 12, 2014Date of Patent: November 29, 2016Assignee: Metal Industries Research & Development CentreInventors: Li-Wen Weng, Chun-Chieh Tseng, Yue-Jun Wang, Ho-Chung Fu, Tzyy-Ker Sue
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Patent number: 9373704Abstract: A system and method for manufacturing multiple-gate semiconductor devices is disclosed. An embodiment comprises multiple fins, wherein intra-fin isolation regions extend into the substrate less than inter-fin isolation regions. Regions of the multiple fins not covered by the gate stack are removed and source/drain regions are formed from the substrate so as to avoid the formation of voids between the fins in the source/drain region.Type: GrantFiled: November 24, 2014Date of Patent: June 21, 2016Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tung Ying Lee, Li-Wen Weng, Chien-Tai Chan, Da-Wen Lin, Hsien-Chin Lin
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Publication number: 20160168744Abstract: A surface treatment of a magnesium alloy includes preparing a substrate of magnesium alloy, micro-arc oxidizing the substrate of magnesium alloy, forming an oxide layer with a hydroxyl group on the substrate of magnesium alloy, silylizing the oxide layer of the substrate of magnesium alloy with the oxide layer, by soaking the substrate of magnesium alloy in a processing solution with a silyl group-containing compound for 1-300 minutes, and placing the substrate of magnesium alloy with the silylized oxide layer at 70-200° C. for 1-300 minutes, allowing a condensation reaction to occur. The manufactured surface-treated magnesium alloy shows a decreased degradation rate in vivo.Type: ApplicationFiled: December 12, 2014Publication date: June 16, 2016Inventors: Li-Wen Weng, Chun-Chieh Tseng, Yue-Jun Wang, Ho-Chung Fu, Tzyy-Ker Sue
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Publication number: 20150079753Abstract: A system and method for manufacturing multiple-gate semiconductor devices is disclosed. An embodiment comprises multiple fins, wherein intra-fin isolation regions extend into the substrate less than inter-fin isolation regions. Regions of the multiple fins not covered by the gate stack are removed and source/drain regions are formed from the substrate so as to avoid the formation of voids between the fins in the source/drain region.Type: ApplicationFiled: November 24, 2014Publication date: March 19, 2015Inventors: Tung Ying Lee, Li-Wen Weng, Chien-Tai Chan, Da-Wen Lin, Hsien-Chin Lin
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Patent number: 8895383Abstract: A system and method for manufacturing multiple-gate semiconductor devices is disclosed. An embodiment comprises multiple fins, wherein intra-fin isolation regions extend into the substrate less than inter-fin isolation regions. Regions of the multiple fins not covered by the gate stack are removed and source/drain regions are formed from the substrate so as to avoid the formation of voids between the fins in the source/drain region.Type: GrantFiled: April 16, 2013Date of Patent: November 25, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tung Ying Lee, Li-Wen Weng, Chien-Tai Chan, Da-Wen Lin, Hsien-Chin Lin