Patents by Inventor I-Wen Wang
I-Wen Wang 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: 20250145458Abstract: In various aspects, the present disclosure is directed to methods and compositions for the simultaneous production of carbon nanotubes and hydrogen gas from lower hydrocarbon comprises methane, ethane, propane, butane, or a combination thereof utilizing the disclosed catalysts. In various aspects, the disclosure relates to methods for COx-free production of hydrogen with concomitant production of carbon nanotubes. Also disclosed are methods and compostions for selective base grown carbon nanotubes over a disclosed catalyst composition. In a further aspect, the disclosure relates to mono, bimetallic, and trimetallic catalysts comprising a 3d transition metal (e.g., Ni, Fe, Co, Mn, Cr, Mo, and combinations thereof) over a support material selected from a silica, an alumina, a zeolite, titanium dioxide, and combinations thereof. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.Type: ApplicationFiled: January 6, 2025Publication date: May 8, 2025Inventors: Jianli HU, Deepa Ayillath Kutteri, I-Wen Wang
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Patent number: 12278240Abstract: An IC device includes first and second power rails extending in a first direction and carrying one of a power supply or reference voltage, a third power rail extending between the first and second power rails and carrying the other of the power supply or reference voltage, and a plurality of transistors including first through fourth active areas extending between the first and second power rails, a plurality of gate structures extending perpendicularly to the first direction, and first and second conductive segments extending in the second direction across the third power rail. Each of the second and third active areas is adjacent to the third power rail, each of the first and second conductive segments is electrically connected to S/D structures in each of the second and third active areas, and the plurality of transistors is configured as one of an AOI, an OAI, or a four-input NAND gate.Type: GrantFiled: May 20, 2022Date of Patent: April 15, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: I-Wen Wang, Chia-Chun Wu, Hui-Zhong Zhuang, Yung-Chen Chien, Jerry Chang Jui Kao, Xiangdong Chen
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Patent number: 12218670Abstract: An integrated circuit includes a first clocked forwarding-switch and a second clocked forwarding-switch each implemented with strong transistors in at least one strong active-region structure. The integrated circuit also includes a first clocked inverter and a second clocked inverter each implemented with weak transistors in at least one weak active-region structure. The integrated circuit further includes a first inverter cross coupled with the first clocked inverter and a second inverter cross coupled with the second clocked inverter. An output of the first clocked forwarding-switch is conductively connected with an output of the first clocked inverter, and an output of the second clocked forwarding-switch is conductively connected with an output of the second clocked inverter.Type: GrantFiled: June 12, 2023Date of Patent: February 4, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: I-Wen Wang, Po-Chih Cheng, Jia-Hong Gao, Kuang-Ching Chang, Tzu-Ying Lin, Jerry Chang Jui Kao
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Publication number: 20240413812Abstract: An integrated circuit includes a first clocked forwarding-switch and a second clocked forwarding-switch each implemented with strong transistors in at least one strong active-region structure. The integrated circuit also includes a first clocked inverter and a second clocked inverter each implemented with weak transistors in at least one weak active-region structure. The integrated circuit further includes a first inverter cross coupled with the first clocked inverter and a second inverter cross coupled with the second clocked inverter. An output of the first clocked forwarding-switch is conductively connected with an output of the first clocked inverter, and an output of the second clocked forwarding-switch is conductively connected with an output of the second clocked inverter.Type: ApplicationFiled: June 12, 2023Publication date: December 12, 2024Inventors: I-Wen WANG, Po-Chih CHENG, Jia-Hong GAO, Kuang-Ching CHANG, Tzu-Ying LIN, Jerry Chang Jui KAO
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Patent number: 12037244Abstract: In one aspect, the disclosure relates to CO2-free and/or low-CO2 methods of co-producing hydrogen and solid forms of carbon via natural gas decomposition using microwave radiation. The methods are efficient, self-sustaining, and environmentally benign. In a further aspect, the disclosure relates to recyclable and recoverable catalysts useful for enhancing the disclosed methods, wherein the catalysts are supported by solid forms of carbon. Methods for recycling the catalysts are also disclosed. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.Type: GrantFiled: May 4, 2021Date of Patent: July 16, 2024Assignee: West Virginia University Board of Governors on Behalf of West Virginia UniversityInventors: Jianli Hu, Changle Jiang, Brandon Robinson, Xinwei Bai, I-Wen Wang
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Publication number: 20230261002Abstract: An IC device includes first and second power rails extending in a first direction and carrying one of a power supply or reference voltage, a third power rail extending between the first and second power rails and carrying the other of the power supply or reference voltage, and a plurality of transistors including first through fourth active areas extending between the first and second power rails, a plurality of gate structures extending perpendicularly to the first direction, and first and second conductive segments extending in the second direction across the third power rail. Each of the second and third active areas is adjacent to the third power rail, each of the first and second conductive segments is electrically connected to S/D structures in each of the second and third active areas, and the plurality of transistors is configured as one of an AOI, an OAI, or a four-input NAND gate.Type: ApplicationFiled: May 20, 2022Publication date: August 17, 2023Inventors: I-Wen WANG, Chia-Chun WU, Hui-Zhong ZHUANG, Yung-Chen CHIEN, Jerry Chang Jui KAO, Xiangdong CHEN
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Patent number: 11682837Abstract: An antenna module, including a feed point, a ground plane, a main radiator, and a parasitic radiator, is provided. The main radiator includes a first portion, a second portion, and a third portion. The first portion and the second portion extend from the feed point and meet at an intersection after turning. The third portion has a first section and a second section. The first section of the third portion is connected to the intersection, and the second section is connected to the ground plane. The parasitic radiator is connected to the second section and extends towards the first section of the third portion and keeps a coupling gap away from the first section.Type: GrantFiled: December 29, 2021Date of Patent: June 20, 2023Assignee: PEGATRON CORPORATIONInventors: I Wen Wang, Ming Hong Lee
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Publication number: 20220339609Abstract: In one aspect, the disclosure relates to relates to CO2-free methods of co-producing hydrogen and solid forms of carbon via methane decomposition. The methods are efficient, self-sustaining, and environmentally sound. In a further aspect, the disclosure relates to recyclable and recoverable catalysts supported by solid forms of carbon and methods for recycling the catalysts. In some aspects, the disclosure relates to catalysts that do not require support by solid forms of carbon. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.Type: ApplicationFiled: October 30, 2020Publication date: October 27, 2022Inventors: Jianli HU, I-Wen WANG, Lili LI, Robert Alexander DAGLE, Juan A. LOPEZ-RUIZ, Mengze XU, Stephen deLemos DAVIDSON
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Publication number: 20220247078Abstract: An antenna module, including a feed point, a ground plane, a main radiator, and a parasitic radiator, is provided. The main radiator includes a first portion, a second portion, and a third portion. The first portion and the second portion extend from the feed point and meet at an intersection after turning. The third portion has a first section and a second section. The first section of the third portion is connected to the intersection, and the second section is connected to the ground plane. The parasitic radiator is connected to the second section and extends towards the first section of the third portion and keeps a coupling gap away from the first section.Type: ApplicationFiled: December 29, 2021Publication date: August 4, 2022Applicant: PEGATRON CORPORATIONInventors: I Wen Wang, Ming Hong Lee
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Publication number: 20210371277Abstract: In one aspect, the disclosure relates to CO2-free and/or low-CO2 methods of co-producing hydrogen and solid forms of carbon via natural gas decomposition using microwave radiation. The methods are efficient, self-sustaining, and environmentally benign. In a further aspect, the disclosure relates to recyclable and recoverable catalysts useful for enhancing the disclosed methods, wherein the catalysts are supported by solid forms of carbon. Methods for recycling the catalysts are also disclosed. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.Type: ApplicationFiled: May 4, 2021Publication date: December 2, 2021Inventors: Jianli HU, Changle JIANG, Brandon ROBINSON, Xinwei BAI, I-Wen WANG
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Publication number: 20210284529Abstract: In various aspects, the present disclosure is directed to methods and compositions for the simultaneous production of carbon nanotubes and hydrogen gas from lower hydrocarbon comprises methane, ethane, propane, butane, or a combination thereof utilizing the disclosed catalysts. In various aspects, the disclosure relates to methods for COx-free production of hydrogen with concomitant production of carbon nanotubes. Also disclosed are methods and compostions for selective base grown carbon nanotubes over a disclosed catalyst composition. In a further aspect, the disclosure relates to mono, bimetallic, and trimetallic catalysts comprising a 3d transition metal (e.g., Ni, Fe, Co, Mn, Cr, Mo, and combinations thereof) over a support material selected from a silica, an alumina, a zeolite, titatnium dioxide, and combinations thereof. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.Type: ApplicationFiled: May 18, 2021Publication date: September 16, 2021Inventors: Jianli HU, Deepa Ayillath KUTTERI, I-Wen WANG
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Patent number: 11040876Abstract: In various aspects, the present disclosure is directed to methods and compositions for the simultaneous production of carbon nanotubes and hydrogen gas from lower hydrocarbon comprises methane, ethane, propane, butane, or a combination thereof utilizing the disclosed catalysts. In various aspects, the disclosure relates to methods for COx-free production of hydrogen with concomitant production of carbon nanotubes. Also disclosed are methods and compostions for selective base grown carbon nanotubes over a disclosed catalyst composition. In a further aspect, the disclosure relates to mono, bimetallic, and trimetallic catalysts comprising a 3d transition metal (e.g., Ni, Fe, Co, Mn, Cr, Mo, and combinations thereof) over a support material selected from a silica, an alumina, a zeolite, titatnium dioxide, and combinations thereof. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.Type: GrantFiled: September 18, 2018Date of Patent: June 22, 2021Assignee: WEST VIRGINIA UNIVERSITYInventors: Jianli Hu, Deepa Ayillath Kutteri, I-Wen Wang
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Publication number: 20190084832Abstract: In various aspects, the present disclosure is directed to methods and compositions for the simultaneous production of carbon nanotubes and hydrogen gas from lower hydrocarbon comprises methane, ethane, propane, butane, or a combination thereof utilizing the disclosed catalysts. In various aspects, the disclosure relates to methods for COx-free production of hydrogen with concomitant production of carbon nanotubes. Also disclosed are methods and compostions for selective base grown carbon nanotubes over a disclosed catalyst composition. In a further aspect, the disclosure relates to mono, bimetallic, and trimetallic catalysts comprising a 3d transition metal (e.g., Ni, Fe, Co, Mn, Cr, Mo, and combinations thereof) over a support material selected from a silica, an alumina, a zeolite, titatnium dioxide, and combinations thereof. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.Type: ApplicationFiled: September 18, 2018Publication date: March 21, 2019Inventors: Jianli Hu, Deepa Ayillath Kutteri, I-Wen Wang
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Patent number: 6606068Abstract: The layout of multi-antenna loops in this invention comprises: a plurality of antenna loops, wherein one terminal of each antenna loop is electrically coupled with an antenna switch and the other terminal is electrically connected to a ground wire. All antenna loops are symmetrical antenna loops each of which contains a plurality of n-shaped sections to form sawtooth-shaped regions and compound into a plurality of dummy closed regions. If the symmetrical antenna loops are in-phase state, the plurality of sawtooth-shaped regions consist of the plurality of n-shaped sections with the non-interlacing method; if the symmetrical antenna loops are oppositephase state, the plurality of sawtooth-shaped regions consist of the n-shaped sections with the interlacing method.Type: GrantFiled: February 5, 2002Date of Patent: August 12, 2003Assignee: Aiptek International Inc.Inventors: Ching-Chuan Chao, Chih-An Chen, I-Wen Wang
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Publication number: 20030146881Abstract: The layout of multi-antenna loops in this invention comprises: a plurality of antenna loops, wherein one terminal of each antenna loop is electrically coupled with an antenna switch and the other terminal is electrically connected to a ground wire. All antenna loops are symmetrical antenna loops each of which contains a plurality of n-shaped sections to form sawtooth-shaped regions and compound into a plurality of dummy closed regions. If the symmetrical antenna loops are in-phase state, the plurality of sawtooth-shaped regions consist of the plurality of n-shaped sections with the non-interlacing method; if the symmetrical antenna loops are oppositephase state, the plurality of sawtooth-shaped regions consist of the n-shaped sections with the interlacing method.Type: ApplicationFiled: February 5, 2002Publication date: August 7, 2003Inventors: Ching-Chuan Chao, Chih-An Chen, I-Wen Wang
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Patent number: 5385556Abstract: An endcap for a hypodermic syringe is disclosed. The endcap is comprised of a sheath and a base section. The sheath, having a proximal and distal end, is hollow and resiliently deformable and has a slit extending substantially the length of the sheath. The proximal end of the sheath is open. The base section is attached to and extends radially outwardly from the periphery of the sheath's proximal end. The base section is disposed opposite of the slit and includes two spaced apart outwardly extending leg supports.Type: GrantFiled: December 8, 1993Date of Patent: January 31, 1995Inventors: I-Wen Wang, Wei-Ming Wang