Patents by Inventor Yuan-Hsiang Chang

Yuan-Hsiang Chang 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).

  • Patent number: 11138737
    Abstract: Disclosed herein are methods for predicting the reprogramming process of cells from a microscopic image of one or more cells. According to some embodiments, the method includes capturing an image of region of interest (ROI) of every pixel of the microscopic image, followed by processing the ROI image with a trained convolutional neural network (CNN) model and a trained long short-term memory (LSTM) network so as to obtain predicted probability maps. Also disclosed herein are a storage medium and a system for executing the present methods.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: October 5, 2021
    Assignees: CHUNG YUAN CHRISTIAN UNIVERSITY, RIKEN
    Inventors: Hideo Yokota, Kuniya Abe, Ming-Dar Tsai, Slo-Li Chu, Yuan-Hsiang Chang
  • Publication number: 20200126234
    Abstract: Disclosed herein are methods for predicting the reprogramming process of cells from a microscopic image of one or more cells. According to some embodiments, the method includes capturing an image of region of interest (ROI) of every pixel of the microscopic image, followed by processing the ROI image with a trained convolutional neural network (CNN) model and a trained long short-term memory (LSTM) network so as to obtain predicted probability maps. Also disclosed herein are a storage medium and a system for executing the present methods.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Applicants: Chung Yuan Christian University, RIKEN
    Inventors: Hideo Yokota, Kuniya Abe, Ming-Dar TSAI, Slo-Li CHU, Yuan-Hsiang CHANG
  • Patent number: 10586327
    Abstract: Disclosed herein are methods for identifying cells undergoing reprogramming and reprogrammed cells from a fluorescence microscopic image of one or more cells. According to some embodiments, the method includes an image processing step, a cell detection step, and, optionally, a clustering step.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: March 10, 2020
    Assignees: CHUNG YUAN CHRISTIAN UNIVERSITY, RIKEN
    Inventors: Yuan-Hsiang Chang, Hideo Yokota, Kuniya Abe, Ming-Dar Tsai
  • Patent number: 10423819
    Abstract: Disclosed herein are methods for analyzing cell kinematics in a nucleated cell culture from a time-series sequence of multiple fluorescence microscopic images of the nucleated cell culture. The method includes the steps of, (a) identifying every cell nucleus in each fluorescence microscopic image; (b) identifying every cell cluster using the cell nuclei identified in the step (a); and (c) tracking the cells and/or cell clusters using the cell nuclei and cell clusters identified for the fluorescence microscopic images in steps (a) and (b) respectively.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: September 24, 2019
    Assignee: Chung Yuan Christian University
    Inventors: Yuan-Hsiang Chang, Hideo Yokota, Kuniya Abe, Ming-Dar Tsai
  • Patent number: 10332884
    Abstract: A method of manufacturing FinFET semiconductor devices in memory regions and logic regions includes the steps of forming a first gate material layer on a substrate and fins, patterning the first gate material layer to form a control gate, forming a second gate material layer on the substrate and fins, performing an etch process to the cell region so that the second gate material layer in the cell region is lower than the second gate material layer in the peripheral region, patterning the second gate material layer to form a select gate in the cell region and a dummy gate in the logic region respectively.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: June 25, 2019
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Liang Yi, Che-Jung Hsu, Yu-Cheng Tung, Jianjun Yang, Yuan-Hsiang Chang, Chih-Chien Chang, Weichang Liu, Shen-De Wang, Kok Wun Tan
  • Publication number: 20190130161
    Abstract: Disclosed herein are methods for analyzing cell kinematics in a nucleated cell culture from a time-series sequence of multiple fluorescence microscopic images of the nucleated cell culture. The method includes the steps of, (a) identifying every cell nucleus in each fluorescence microscopic image; (b) identifying every cell cluster using the cell nuclei identified in the step (a); and (c) tracking the cells and/or cell clusters using the cell nuclei and cell clusters identified for the fluorescence microscopic images in steps (a) and (b) respectively.
    Type: Application
    Filed: October 31, 2017
    Publication date: May 2, 2019
    Applicant: Chung Yuan Christian University
    Inventors: Yuan-Hsiang CHANG, Hideo Yokota, Kuniya Abe, Ming-Dar TSAI
  • Publication number: 20190131302
    Abstract: A method of manufacturing FinFET semiconductor devices in memory regions and logic regions includes the steps of forming a first gate material layer on a substrate and fins, patterning the first gate material layer to form a control gate, forming a second gate material layer on the substrate and fins, performing an etch process to the cell region so that the second gate material layer in the cell region is lower than the second gate material layer in the peripheral region, patterning the second gate material layer to form a select gate in the cell region and a dummy gate in the logic region respectively.
    Type: Application
    Filed: November 2, 2017
    Publication date: May 2, 2019
    Inventors: Liang Yi, Che-Jung Hsu, Yu-Cheng Tung, JIANJUN YANG, Yuan-Hsiang Chang, Chih-Chien Chang, WEICHANG LIU, Shen-De Wang, KOK WUN TAN
  • Publication number: 20180232879
    Abstract: Disclosed herein are methods for identifying cells undergoing reprogramming and reprogrammed cells from a fluorescence microscopic image of one or more cells. According to some embodiments, the method includes an image processing step, a cell detection step, and, optionally, a clustering step.
    Type: Application
    Filed: February 13, 2018
    Publication date: August 16, 2018
    Applicants: Chung Yuan Christian University, RIKEN
    Inventors: Yuan-Hsiang CHANG, Hideo Yokota, Kuniya Abe, Ming-Dar TSAI
  • Patent number: 10020385
    Abstract: The present invention provides a memory cell, which includes a substrate, a gate dielectric layer, a patterned material layer, a selection gate and a control gate. The gate dielectric layer is disposed on the substrate. The patterned material layer is disposed on the substrate, wherein the patterned material layer comprises a vertical portion and a horizontal portion. The selection gate is disposed on the gate dielectric layer and atone side of the vertical portion of the patterned material layer. The control gate is disposed on the horizontal portion of the patterned material layer and at another side of the vertical portion, wherein the vertical portion protrudes over a top of the selection gate. The present invention further provides another embodiment of a memory cell and manufacturing methods thereof.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: July 10, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yi-Shan Chiu, Shen-De Wang, Zhen Chen, Yuan-Hsiang Chang, Chih-Chien Chang, Jianjun Yang, Wei Ta
  • Patent number: 9666680
    Abstract: A flash cell includes a gate and an erase gate. The gate is disposed on a substrate, wherein the gate includes a control gate on the substrate and a floating gate having a tip between the substrate and the control gate. The erase gate is disposed beside the gate, wherein the tip points toward the erase gate. The present invention also provides a flash cell forming process including the following steps. A gate is formed on a substrate, wherein the gate includes a floating gate on the substrate. An implantation process is performed on a side part of the floating gate, thereby forming a first doped region in the side part. At least a part of the first doped region is oxidized, thereby forming a floating gate having a tip.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: May 30, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yuan-Hsiang Chang, Shen-De Wang, Chih-Chien Chang, Jianjun Yang, Aaron Chen
  • Patent number: 9660106
    Abstract: A flash memory structure includes a memory gate on a substrate, a select gate adjacent to the memory gate, and an oxide-nitride spacer between the memory gate and the select gate, where the oxide-nitride spacer further includes an oxide layer and a nitride layer having an upper nitride portion and a lower nitride portion, and the upper nitride portion is thinner than the lower nitride portion.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: May 23, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Weichang Liu, Zhen Chen, Shen-De Wang, Wei Ta, Yi-Shan Chiu, Yuan-Hsiang Chang
  • Publication number: 20170141200
    Abstract: A flash cell includes a gate and an erase gate. The gate is disposed on a substrate, wherein the gate includes a control gate on the substrate and a floating gate having a tip between the substrate and the control gate. The erase gate is disposed beside the gate, wherein the tip points toward the erase gate. The present invention also provides a flash cell forming process including the following steps. A gate is formed on a substrate, wherein the gate includes a floating gate on the substrate. An implantation process is performed on a side part of the floating gate, thereby forming a first doped region in the side part. At least a part of the first doped region is oxidized, thereby forming a floating gate having a tip.
    Type: Application
    Filed: November 18, 2015
    Publication date: May 18, 2017
    Inventors: Yuan-Hsiang Chang, Shen-De Wang, Chih-Chien Chang, JIANJUN YANG, Aaron Chen
  • Patent number: 9583641
    Abstract: A manufacturing method of a semiconductor device includes the following steps. A plurality of select gates are formed on a memory region of a semiconductor substrate. Two charge storage structures are formed between two adjacent select gates. A source region is formed in the semiconductor substrate, and the source region is formed between the two adjacent select gates. An insulation block is formed between the two charge storage structures and formed on the source region. A memory gate is formed on the insulation block, and the memory gate is connected to the two charge storage structures.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: February 28, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yuan-Hsiang Chang, Yi-Shan Chiu, Chih-Chien Chang, Jianjun Yang, Wen-Chuan Chang
  • Publication number: 20160172200
    Abstract: A method for fabricating non-volatile memory device is disclosed. The method includes the steps of: providing a substrate having a stack structure thereon; performing a first oxidation process to form a first oxide layer on the substrate and the stack structure; etching the first oxide layer for forming a first spacer adjacent to the stack structure; performing a second oxidation process to form a second oxide layer on the substrate; forming a dielectric layer on the first spacer and the second oxide layer; and etching the dielectric layer for forming a second spacer.
    Type: Application
    Filed: December 15, 2014
    Publication date: June 16, 2016
    Inventors: WEICHANG LIU, ZHEN CHEN, Shen-De Wang, Wei Ta, Yi-Shan Chiu, Yuan-Hsiang Chang, Chih-Chien Chang
  • Publication number: 20160163722
    Abstract: A non-volatile memory cell includes a substrate, an erase gate disposed on the substrate and having a top plane, two floating gates disposed respectively at both sides of the erase gate, two control gates disposed respectively on two floating gates, and two select gates disposed respectively at outer sides of the two floating gates, where the two select gates have tilted top planes which are symmetric to each other.
    Type: Application
    Filed: January 14, 2015
    Publication date: June 9, 2016
    Inventors: Yuan-Hsiang Chang, Aaron Chen, JIANJUN YANG, Chih-Chien Chang
  • Patent number: 9362125
    Abstract: A semiconductor process is described. A semiconductor substrate having a memory area, a first device area and a second device area is provided. A patterned charge-trapping layer is formed on the substrate, covering the memory area and the second device area but exposing the first device area. A first gate oxide layer is formed in the first device area. The charge-trapping layer in the second device area is removed. A second gate oxide layer is formed in the second device area.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: June 7, 2016
    Assignee: United Microelectronics Corp.
    Inventors: Yuan-Hsiang Chang, Yi-Shan Chiu, Zhen Chen, Wei Ta, Wei-Chang Liu
  • Publication number: 20160049525
    Abstract: A flash memory structure includes a memory gate on a substrate, a select gate adjacent to the memory gate, and an oxide-nitride spacer between the memory gate and the select gate, where the oxide-nitride spacer further includes an oxide layer and a nitride layer having an upper nitride portion and a lower nitride portion, and the upper nitride portion is thinner than the lower nitride portion.
    Type: Application
    Filed: August 18, 2014
    Publication date: February 18, 2016
    Inventors: Weichang Liu, Zhen Chen, Shen-De Wang, Wei Ta, Yi-Shan Chiu, Yuan-Hsiang Chang
  • Publication number: 20160042957
    Abstract: A semiconductor process is described. A semiconductor substrate having a memory area, a first device area and a second device area is provided. A patterned charge-trapping layer is formed on the substrate, covering the memory area and the second device area but exposing the first device area. A first gate oxide layer is formed in the first device area. The charge-trapping layer in the second device area is removed. A second gate oxide layer is formed in the second device area.
    Type: Application
    Filed: August 7, 2014
    Publication date: February 11, 2016
    Inventors: Yuan-Hsiang Chang, Yi-Shan Chiu, Zhen Chen, Wei Ta, Wei-Chang Liu
  • Publication number: 20150270277
    Abstract: The present invention provides a memory cell, which includes a substrate, a gate dielectric layer, a patterned material layer, a selection gate and a control gate. The gate dielectric layer is disposed on the substrate. The patterned material layer is disposed on the substrate, wherein the patterned material layer comprises a vertical portion and a horizontal portion. The selection gate is disposed on the gate dielectric layer and atone side of the vertical portion of the patterned material layer. The control gate is disposed on the horizontal portion of the patterned material layer and at another side of the vertical portion, wherein the vertical portion protrudes over a top of the selection gate. The present invention further provides another embodiment of a memory cell and manufacturing methods thereof.
    Type: Application
    Filed: March 19, 2014
    Publication date: September 24, 2015
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Yi-Shan Chiu, Shen-De Wang, ZHEN CHEN, Yuan-Hsiang Chang, Chih-Chien Chang, JIANJUN YANG, Wei Ta
  • Patent number: 8921888
    Abstract: A method for fabricating a semiconductor device includes the following steps. First, a semiconductor substrate is provided, and a first region, a second region and a third region are defined thereon. Then, a first well having a first conductive type is formed in the semiconductor substrate of the first region and the second region, respectively. A semiconductor layer partially overlapping the first well of the second region is formed. Furthermore, a second well having a second conductive type is formed in the semiconductor substrate of the third region and the first well of the second region respectively, where the second well of the second region is disposed underneath the semiconductor layer.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: December 30, 2014
    Assignee: United Microelectronics Corp.
    Inventors: Yuan-Hsiang Chang, Sung-Bin Lin