Patents by Inventor Chih-An Chen

Chih-An 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).

  • Publication number: 20240209569
    Abstract: A method for decolorizing polyester fabric and a polyester fabric are provided. The method for decolorizing polyester fabric includes providing a dye-attached polyester fabric. The dye-attached polyester fabric is immersed in a first solution, obtaining a treated polyester fabric. The treated polyester fabric is immersed in a second solution, to obtain a decolorized polyester fabric. The first solution includes water, a first swelling agent and a solubility promoter. The second solution includes water, a second swelling agent, and an auxiliary swelling agent.
    Type: Application
    Filed: April 19, 2023
    Publication date: June 27, 2024
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chung-Yang CHUANG, Chih-An CHEN, Min-Yan DONG, Chang-Jung CHANG, Hui-Min WANG
  • Patent number: 11723495
    Abstract: Systems, methods and apparatus for dispensing of paper products. A dispenser comprising a housing comprising a product holding area defined by a front, back and two sides, and a dispenser throat defining an opening through the housing; a motor coupled to the rolled product and configured to rotate the rolled product in first and second directions; and a feed mechanism having a first side opening and a second side opening different from the first side opening, wherein both the first side and second side openings are different from that dispenser throat, and wherein the first side opening is configured to accept the tail when the rolled product has a first orientation and is rotated in the first direction and the second side opening is configured to accept the tail when the rolled product has a second orientation and is rotated in the second direction.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: August 15, 2023
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Richard P. Lewis, I-Chung Hou, Wan-Chih Lin, Ming-Chung Chung, Chih-An Chen, Wan-Chang Liang, Chan-Hao Chen, Huang-Keng Chen, Ching-Lung Mao, Wei-Ming Huang
  • Publication number: 20220192439
    Abstract: Systems, methods and apparatus for dispensing of paper products. A dispenser comprising a housing comprising a product holding area defined by a front, back and two sides, and a dispenser throat defining an opening through the housing; a motor coupled to the rolled product and configured to rotate the rolled product in first and second directions; and a feed mechanism having a first side opening and a second side opening different from the first side opening, wherein both the first side and second side openings are different from that dispenser throat, and wherein the first side opening is configured to accept the tail when the rolled product has a first orientation and is rotated in the first direction and the second side opening is configured to accept the tail when the rolled product has a second orientation and is rotated in the second direction.
    Type: Application
    Filed: March 29, 2019
    Publication date: June 23, 2022
    Inventors: Richard P. Lewis, I-Chung Hou, Wan-Chih Lin, Ming-Chung Chung, Chih-An Chen, Wan-Chang Liang, Chan-Hao Chen, Huang-Keng Chen, Ching-Lung Mao, Wei-Ming Huang
  • Patent number: 10909948
    Abstract: A ubiquitous auto calibration device is provided, which includes microcontroller unit, flex bus, image receiver image processing module, and an image output unit. The microcontroller unit is provided for receiving the electronic signal and performing a self-adjusting process to the electronic signal. The flex bus is connected with the microcontroller unit, and is provided for transmitting the electronic signal to the image processing module after performing the self-adjusting process. The image receiver is provided for receiving the image signal from the image receiving interface. The image processing module is provided for performing an image calibration process to the image signal, so that the image signal can obey the color temperature standard, Gamma value, uniformity and color gamut standards when the panel outputs the image signal.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: February 2, 2021
    Assignee: Diva Laboratories, Ltd.
    Inventors: Chih-An Chen, Wei-Peng Wang, Ching-Min Huang, Tzu-Hui Lee, Chuan-Ling Peng, Chi-Chou Huang, Huei-Jiun Li, Mei-Chuan Ku
  • Publication number: 20200365113
    Abstract: A ubiquitous auto calibration device is provided, which includes microcontroller unit, flex bus, image receiver image processing module, and an image output unit. The microcontroller unit is provided for receiving the electronic signal and performing a self-adjusting process to the electronic signal. The flex bus is connected with the microcontroller unit, and is provided for transmitting the electronic signal to the image processing module after performing the self-adjusting process. The image receiver is provided for receiving the image signal from the image receiving interface. The image processing module is provided for performing an image calibration process to the image signal, so that the image signal can obey the color temperature standard, Gamma value, uniformity and color gamut standards when the panel outputs the image signal.
    Type: Application
    Filed: August 30, 2019
    Publication date: November 19, 2020
    Inventors: Chih-An CHEN, Wei-Peng WANG, Ching-Min HUANG, Tzu-Hui LEE, Chuan-Ling PENG, Chi-Chou HUANG, Huei-Jiun LI, Mei-Chuan KU
  • Patent number: 10457621
    Abstract: A process for preparing aryl ketones is disclosed. The process includes photo-oxidizing a compound of formula (V), (VI), (VII) or (VIII): in the presence of an oxidative system comprising at least one bromide compound to form aryl ketones. X1, X2, R1, R2, R3, L1, L2, L3, L4, t, n, m and p have the meanings as described in the specification and claims.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: October 29, 2019
    Assignee: ETERNAL MATERIALS CO., LTD.
    Inventors: Sheng-Yao Hsueh, Chih-An Chen, You-Han Lin, Hao-Tien Bai
  • Publication number: 20170036981
    Abstract: A process for preparing aryl ketones is disclosed. The process includes photo-oxidizing a compound of formula (V), (VI), (VII) or (VIII): in the presence of an oxidative system comprising at least one bromide compound to form aryl ketones. X1, X2, R1, R2, R3, L1, L2, L3, L4, t, n, m and p have the meanings as described in the specification and claims.
    Type: Application
    Filed: August 5, 2016
    Publication date: February 9, 2017
    Applicant: ETERNAL MATERIALS CO., LTD.
    Inventors: Sheng-Yao HSUEH, Chih-An CHEN, You-Han LIN, Hao-Tien BAI
  • Publication number: 20140159060
    Abstract: A patterned substrate includes a substrate body and a plurality of solid patterns. The solid patterns are set on the substrate body, and at least partial pitches between the solid patterns are different.
    Type: Application
    Filed: December 12, 2013
    Publication date: June 12, 2014
    Applicant: LUCEMITEK CO., LTD.
    Inventors: Cheng-Yu CHIU, Chun-Yi LEE, Chun-Hung CHEN, Chih-An CHEN, Wei-Lun WANG
  • Publication number: 20140159100
    Abstract: A patterned substrate comprises a substrate body and a plurality of solid patterns disposed on the substrate body. The pitch of at least a part of the adjacent solid patterns is between 1.5 ?m and 2.5 ?m, the space of at least a part of the adjacent solid patterns is between 0.1 ?m and 0.7 ?m, and the height of at least a part of the solid patterns is between 0.7 ?m and 1.7 ?m. An electro-optical semiconductor element containing the patterned substrate is also disclosed.
    Type: Application
    Filed: December 11, 2013
    Publication date: June 12, 2014
    Applicant: Lucemitek Co., Ltd.
    Inventors: Cheng-Yu CHIU, Chun-Yi LEE, Chun-Hung CHEN, Chih-An CHEN, Wei-Lun WANG
  • Publication number: 20070008294
    Abstract: The present invention discloses a cordless electromagnetic induction system, which comprises a cordless pen and a tablet, connecting to a host. In this regards, the cordless pen comprises a battery for supplying power to the pen, a RF (radio frequency)oscillator circuit for generating radio frequency signal, representing the location and status of the pen at a central frequency, and a battery voltage detection apparatus for detecting the output voltage of the battery. The battery voltage detection apparatus commands the RF oscillator circuit for generating a signal, which central frequency is at a warning frequency, while the output voltage of the battery is lower than a critical value. The tablet comprises a tablet RF receiver for receiving RF signal from the RF oscillator circuit. The tablet informed the host for raising a low battery power warning to user while the tablet RF receiver received a signal, which central frequency is at the warning frequency.
    Type: Application
    Filed: July 6, 2005
    Publication date: January 11, 2007
    Inventors: Chia-Te Huang, Chih-An Chen
  • Patent number: 7153016
    Abstract: This invention discloses a package for a liquid crystal display with the electromagnetic module. This invention provides a package for the liquid crystal display with the electromagnetic module, the package for the liquid crystal display with the electromagnetic module comprises: a lightguide sub-module, an electromagnetic sub-module and a package sub-module; the electromagnetic sub-module further comprises an antenna circuit board with the connectors, a control device; and further the package sub-module comprises a first package-cover and a second package-cover, wherein the first package-cover comprises an opening of an about equivalent lightguide area of the lightguide sub-module, the surface of the second package-cover comprises the second openings. Furthermore, the backlight module with the electromagnetic module in the present invention utilizes a sidewall-fixed method to fix the inside devices.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: December 26, 2006
    Assignee: Waltop International Corp.
    Inventor: Chih-An Chen
  • Publication number: 20060284854
    Abstract: The present invention discloses a cordless electromagnetic induction system, which comprises a cordless pen and a tablet connecting to a host. In this regards, the cordless pen comprises a battery for supplying power to the cordless pen, a radio frequency (RF) oscillation circuit for generating RF signal representing the location and status of the cordless pen, a wake up apparatus, and a sleep control apparatus. The wake up apparatus sets the cordless pen into a working mode and startup the RF oscillation circuit when receiving a wakeup RF signal. Moreover, the sleep control apparatus sets the cordless pen into a sleep mode and shutdown the RF oscillation circuit when the cordless pen is idle for a while in the working mode. In this embodiment, the tablet comprises a control apparatus, a tablet RF emitter, and a tablet RF receiver for receiving RF signal, representing the location and status of said cordless pen, from the RF oscillation circuit and informing the control apparatus.
    Type: Application
    Filed: June 20, 2005
    Publication date: December 21, 2006
    Inventors: Shih-Hao Cheng, Chih-An Chen
  • Patent number: 6942371
    Abstract: This invention discloses a backlight module of a liquid crystal display with an electromagnetic-induction system. The backlight module of the present invention comprises: a lightguide sub-module, a first surface of the lightguide sub-module is coupled with the liquid crystal display; an electromagnetic-induction sub-system, the electromagnetic-induction sub-system is located on a second surface of the lightguide sub-module, the electromagnetic-induction sub-module further comprises an antenna sub-circuit and a control sub-module, wherein the antenna sub-circuit is located under the second surface of the lightguide sub-module, and the control sub-module is coupled with the antenna sub-circuit.
    Type: Grant
    Filed: April 14, 2003
    Date of Patent: September 13, 2005
    Assignee: Aiptek International Inc.
    Inventor: Chih-An Chen
  • Patent number: 6927742
    Abstract: This invention utilizes the design rule with minimum path to design the antenna layout so as to reduce the across-line effect, and it also makes changes in antenna address to design the optimum antenna layout. Furthermore, the single connector is also substituted for a plurality of connectors in the present invention to disperse the connected position of each antenna.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: August 9, 2005
    Assignee: Aiptek International Inc.
    Inventor: Chih-An Chen
  • Patent number: 6882339
    Abstract: A plurality of single-induction-loops are inserted in an electromagnetic induction system in which multi-induction-loop is deployed. Deployment of a multi-induction-loop layout is constituted by induction loops with sawtooth-shaped areas and close-like areas formed by -type sections of same and opposite phases for reducing the number of switch in use, completely deploying induction loops of X axis and Y axis on a same common contact, effectively reducing area demand of electromagnetic induction system, and thus increasing effective area of panel board in use. Moreover, in order to further enhance ability of interference immunity of electromagnetic induction system, a plurality of single-induction-loops are inserted around multi-induction-loop for isolating interference of noise to multi-induction-loop and thus relatively increasing linearity and efficiency of electromagnetic induction system.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: April 19, 2005
    Assignee: Aiptek International Inc.
    Inventors: Ching-Chuan Chao, Chih-An Chen, Shi-Hao Cheng
  • Patent number: 6849810
    Abstract: An antenna loop structure applicable to a digitizer tablet is capable of reducing effect of electromagnetic interference (EMI) by aggregating a plurality of antenna loops, wherein each antenna loop further comprises a plurality of -shaped segmental antennas, and each pair of immediate neighboring segmental antennas is phase-inverted to each other for counteracting against external EMI.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: February 1, 2005
    Assignee: AIPTEK International Inc.
    Inventors: Ching-Chuan Chao, Chih-An Chen
  • Publication number: 20040212979
    Abstract: This invention discloses a package for a liquid crystal display with the electromagnetic module. This invention provides a package for the liquid crystal display with the electromagnetic module, the package for the liquid crystal display with the electromagnetic module comprises: a lightguide sub-module, an electromagnetic sub-module and a package sub-module; the electromagnetic sub-module further comprises an antenna circuit board with the connectors, a control device; and further the package sub-module comprises a first package-cover and a second package-cover, wherein the first package-cover comprises an opening of an about equivalent lightguide area of the lightguide sub-module, the surface of the second package-cover comprises the second openings. Furthermore, the backlight module with the electromagnetic module in the present invention utilizes a sidewall-fixed method to fix the inside devices.
    Type: Application
    Filed: April 24, 2003
    Publication date: October 28, 2004
    Inventor: Chih-An Chen
  • Publication number: 20040202009
    Abstract: This invention discloses a backlight module of a liquid crystal display with an electromagnetic-induction system. The backlight module of the present invention comprises: a lightguide sub-module, a first surface of the lightguide sub-module is coupled with the liquid crystal display; an electromagnetic-induction sub-system, the electromagnetic-induction sub-system is located on a second surface of the lightguide sub-module, the electromagnetic-induction sub-module further comprises an antenna sub-circuit and a control sub-module, wherein the antenna sub-circuit is located under the second surface of the lightguide sub-module, and the control sub-module is coupled with the antenna sub-circuit.
    Type: Application
    Filed: April 14, 2003
    Publication date: October 14, 2004
    Inventor: Chih-An Chen
  • Publication number: 20040178965
    Abstract: This invention utilizes the design rule with minimum path to design the antenna layout so as to reduce the across-line effect, and it also makes changes in antenna address to design the optimum antenna layout. Furthermore, the single connector is also substituted for a plurality of connectors in the present invention to disperse the connected position of each antenna.
    Type: Application
    Filed: March 14, 2003
    Publication date: September 16, 2004
    Inventor: Chih-An Chen
  • Publication number: 20040130534
    Abstract: A plurality of single-induction-loops are inserted in an electromagnetic induction system in which multi-induction-loop is deployed. Deployment of a multi-induction-loop layout is constituted by induction loops with sawtooth-shaped areas and close-like areas formed by Π-type sections of same and opposite phases for reducing the number of switch in use, completely deploying induction loops of X axis and Y axis on a same common contact, effectively reducing area demand of electromagnetic induction system, and thus increasing effective area of panel board in use. Moreover, in order to further enhance ability of interference immunity of electromagnetic induction system, a plurality of single-induction-loops are inserted around multi-induction-loop for isolating interference of noise to multi-induction-loop and thus relatively increasing linearity and efficiency of electromagnetic induction system.
    Type: Application
    Filed: January 8, 2003
    Publication date: July 8, 2004
    Inventors: Ching-Chuan Chao, Chih-An Chen, Shi-Hao Cheng