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).

  • Publication number: 20250145458
    Abstract: 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: Application
    Filed: January 6, 2025
    Publication date: May 8, 2025
    Inventors: Jianli HU, Deepa Ayillath Kutteri, I-Wen Wang
  • Patent number: 12278240
    Abstract: 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: Grant
    Filed: May 20, 2022
    Date of Patent: April 15, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: I-Wen Wang, Chia-Chun Wu, Hui-Zhong Zhuang, Yung-Chen Chien, Jerry Chang Jui Kao, Xiangdong Chen
  • Patent number: 12218670
    Abstract: 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: Grant
    Filed: June 12, 2023
    Date of Patent: February 4, 2025
    Assignee: 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
  • Publication number: 20240413812
    Abstract: 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: Application
    Filed: June 12, 2023
    Publication date: December 12, 2024
    Inventors: I-Wen WANG, Po-Chih CHENG, Jia-Hong GAO, Kuang-Ching CHANG, Tzu-Ying LIN, Jerry Chang Jui KAO
  • Patent number: 12037244
    Abstract: 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: Grant
    Filed: May 4, 2021
    Date of Patent: July 16, 2024
    Assignee: West Virginia University Board of Governors on Behalf of West Virginia University
    Inventors: Jianli Hu, Changle Jiang, Brandon Robinson, Xinwei Bai, I-Wen Wang
  • Publication number: 20230261002
    Abstract: 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: Application
    Filed: May 20, 2022
    Publication date: August 17, 2023
    Inventors: I-Wen WANG, Chia-Chun WU, Hui-Zhong ZHUANG, Yung-Chen CHIEN, Jerry Chang Jui KAO, Xiangdong CHEN
  • Patent number: 11682837
    Abstract: 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: Grant
    Filed: December 29, 2021
    Date of Patent: June 20, 2023
    Assignee: PEGATRON CORPORATION
    Inventors: I Wen Wang, Ming Hong Lee
  • Publication number: 20220339609
    Abstract: 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: Application
    Filed: October 30, 2020
    Publication date: October 27, 2022
    Inventors: Jianli HU, I-Wen WANG, Lili LI, Robert Alexander DAGLE, Juan A. LOPEZ-RUIZ, Mengze XU, Stephen deLemos DAVIDSON
  • Publication number: 20220247078
    Abstract: 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: Application
    Filed: December 29, 2021
    Publication date: August 4, 2022
    Applicant: PEGATRON CORPORATION
    Inventors: I Wen Wang, Ming Hong Lee
  • Publication number: 20210371277
    Abstract: 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: Application
    Filed: May 4, 2021
    Publication date: December 2, 2021
    Inventors: Jianli HU, Changle JIANG, Brandon ROBINSON, Xinwei BAI, I-Wen WANG
  • Publication number: 20210284529
    Abstract: 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: Application
    Filed: May 18, 2021
    Publication date: September 16, 2021
    Inventors: Jianli HU, Deepa Ayillath KUTTERI, I-Wen WANG
  • Patent number: 11040876
    Abstract: 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: Grant
    Filed: September 18, 2018
    Date of Patent: June 22, 2021
    Assignee: WEST VIRGINIA UNIVERSITY
    Inventors: Jianli Hu, Deepa Ayillath Kutteri, I-Wen Wang
  • Publication number: 20190084832
    Abstract: 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: Application
    Filed: September 18, 2018
    Publication date: March 21, 2019
    Inventors: Jianli Hu, Deepa Ayillath Kutteri, I-Wen Wang
  • Patent number: 6606068
    Abstract: 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: Grant
    Filed: February 5, 2002
    Date of Patent: August 12, 2003
    Assignee: Aiptek International Inc.
    Inventors: Ching-Chuan Chao, Chih-An Chen, I-Wen Wang
  • Publication number: 20030146881
    Abstract: 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: Application
    Filed: February 5, 2002
    Publication date: August 7, 2003
    Inventors: Ching-Chuan Chao, Chih-An Chen, I-Wen Wang
  • Patent number: 5385556
    Abstract: 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: Grant
    Filed: December 8, 1993
    Date of Patent: January 31, 1995
    Inventors: I-Wen Wang, Wei-Ming Wang