Patents by Inventor Ren-Der Jean

Ren-Der Jean 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: 10768135
    Abstract: An oxidizing gas detection method and an apparatus thereof are provided for trace oxidizing gas detection. The detection method includes the following steps. First, perform an electroreduction reaction and a photoreduction reaction simultaneously to a metal oxide in which nanoconductors are distributed. Next, stop the electroreduction reaction and the photoreduction reaction, and read a resistance of the reduced metal oxide by applying a first pulse-width modulation signal. Next, provide an oxidizing gas to the reduced metal oxide, and photo-catalyze a redox reaction between the oxidizing gas and the reduced metal oxide. Next, read a resistance of the oxidized metal oxide by applying a second pulse-width modulation signal. Next, converse a concentration of the oxidizing gas according to a ratio of the resistance of the oxidized metal oxide and the resistance of the reduced metal oxide.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: September 8, 2020
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: I-Cherng Chen, Pi-Guey Su, Hong-Ci Syu, Hui-Yu Cho, Pin-Chou Li, Jian-Hong Wu, Ren-Der Jean
  • Publication number: 20200259063
    Abstract: A flexible thermoelectric structure is provided, which includes a porous thermoelectric pattern having a first surface and a second surface opposite to the first surface, and a polymer film covering the first surface of the porous thermoelectric pattern. The polymer film fills pores of the porous thermoelectric pattern. The polymer film has a first surface and a second surface opposite to the first surface. The second surface of the polymer film is coplanar with the second surface of the porous thermoelectric pattern.
    Type: Application
    Filed: April 30, 2020
    Publication date: August 13, 2020
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ying-Jung CHIANG, Ren-Der JEAN, Hong-Ching LIN, Hsu-Shen CHU
  • Publication number: 20200054248
    Abstract: An exercise state evaluation method having the following steps is provided. The steps includes: obtaining a plurality of sensing signals by a foot information sensing module; recording a receiving time of each of the sensing signals by a processing unit and generating a plurality of pressure values, a plurality of center of gravity values, and a center of gravity trajectory information corresponding a human body according to each of the sensing signals; determining a start time, an acting time and a finish time corresponding to an exercise according to the receiving time, the pressure values, the center of gravity values and the center of gravity trajectory information; obtaining an act time value according to the start time, the acting time and the finish time; and integrating the pressure values, the center of gravity values, the center of gravity trajectory information and the act time value to an user interface.
    Type: Application
    Filed: August 15, 2019
    Publication date: February 20, 2020
    Applicants: Industrial Technology Research Institute, National Taiwan University of Sport
    Inventors: Jian-Hong Wu, Ren-Der Jean, Pin-Chou Li, Jyh-How Huang, Jung-Hao Wang, Szu-Ju Li
  • Patent number: 10383537
    Abstract: A physiological signal measuring method and a physiological signal measuring device are provided. The physiological signal measuring method includes the following steps: A first inputting signal having a first frequency, a second inputting signal having a second frequency and a third inputting signal having a third frequency are respectively inputted to at least two electrode sheets attached on a skin. A first impedance value corresponding to the first inputting signal, a second impedance value corresponding to the second inputting signal and a third impedance value corresponding to the third inputting signal are respectively measured. An interference impedance between the electrode sheets and the skin is obtained according to the first frequency, the second frequency, the third frequency, the first impedance value, the second impedance value and the third impedance value. A measured physiological signal is corrected according to the interference impedance to obtain a corrected physiological signal.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: August 20, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Szu-Ju Li, Pai-Hao Wu, I-Cherng Chen, Hsin-Hung Pan, Jung-Hao Wang, Ren-Der Jean, Meng-Song Yin, Chun-Te Chuang
  • Publication number: 20190195823
    Abstract: An oxidizing gas detection method and an apparatus thereof are provided for trace oxidizing gas detection. The detection method includes the following steps. First, perform an electroreduction reaction and a photoreduction reaction simultaneously to a metal oxide in which nanoconductors are distributed. Next, stop the electroreduction reaction and the photoreduction reaction, and read a resistance of the reduced metal oxide by applying a first pulse-width modulation signal. Next, provide an oxidizing gas to the reduced metal oxide, and photo-catalyze a redox reaction between the oxidizing gas and the reduced metal oxide. Next, read a resistance of the oxidized metal oxide by applying a second pulse-width modulation signal. Next, converse a concentration of the oxidizing gas according to a ratio of the resistance of the oxidized metal oxide and the resistance of the reduced metal oxide.
    Type: Application
    Filed: December 27, 2017
    Publication date: June 27, 2019
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: I-Cherng CHEN, Pi-Guey SU, Hong-Ci SYU, Hui-Yu CHO, Pin-Chou LI, Jian-Hong WU, Ren-Der JEAN
  • Publication number: 20180168474
    Abstract: A physiological signal measuring method and a physiological signal measuring device are provided. The physiological signal measuring method includes the following steps: A first inputting signal having a first frequency, a second inputting signal having a second frequency and a third inputting signal having a third frequency are respectively inputted to at least two electrode sheets attached on a skin. A first impedance value corresponding to the first inputting signal, a second impedance value corresponding to the second inputting signal and a third impedance value corresponding to the third inputting signal are respectively measured. An interference impedance between the electrode sheets and the skin is obtained according to the first frequency, the second frequency, the third frequency, the first impedance value, the second impedance value and the third impedance value. A measured physiological signal is corrected according to the interference impedance to obtain a corrected physiological signal.
    Type: Application
    Filed: August 18, 2017
    Publication date: June 21, 2018
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Szu-Ju LI, Pai-Hao WU, I-Cherng CHEN, Hsin-Hung PAN, Jung-Hao WANG, Ren-Der JEAN, Meng-Song YIN, Chun-Te CHUANG
  • Publication number: 20180159014
    Abstract: A flexible thermoelectric structure is provided, which includes a porous thermoelectric pattern having a first surface and a second surface opposite to the first surface, and a polymer film covering the first surface of the porous thermoelectric pattern. The polymer film fills pores of the porous thermoelectric pattern. The polymer film has a first surface and a second surface opposite to the first surface. The second surface of the polymer film is coplanar with the second surface of the porous thermoelectric pattern.
    Type: Application
    Filed: December 29, 2016
    Publication date: June 7, 2018
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ying-Jung CHIANG, Ren-Der JEAN, Hong-Ching LIN, Hsu-Shen CHU
  • Patent number: 8709352
    Abstract: The disclosure provides a humidity indicator and a method for fabricating the same. The humidity indicator includes a substrate, and a composite disposed on a predetermined region of the substrate. The composite includes a hydrophilic polymer and a Ni-containing compound. The humidity indicators of the disclosure are reusable, halide-free, and cobalt-free, meeting the requirement of environmental friendliness.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: April 29, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Tzu-Chi Chou, Ren-Der Jean, Hsin-Hung Pan
  • Patent number: 8343617
    Abstract: A Ceramic substrate is provided. The ceramic substrate includes a ceramic main body and a planar buffer layer on the ceramic main body. Further, the coefficient of thermal expansion of the ceramic main body CTEm and the coefficient of thermal expansion of the planar buffer layer CTEp satisfy the following mathematical relationship: |CTEm?CTEp|?3×10?6/° C.
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: January 1, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Yu-Hsin Yeh, Tzer-Shen Lin, Ren-Der Jean
  • Publication number: 20120167816
    Abstract: The disclosure provides a humidity indicator and a method for fabricating the same. The humidity indicator includes a substrate, and a composite disposed on a predetermined region of the substrate. The composite includes a hydrophilic polymer and a Ni-containing compound. The humidity indicators of the disclosure are reusable, halide-free, and cobalt-free, meeting the requirement of environmental friendliness.
    Type: Application
    Filed: April 13, 2011
    Publication date: July 5, 2012
    Inventors: Tzu-Chi CHOU, Ren-Der Jean, Hsin-Hung Pan
  • Publication number: 20110014423
    Abstract: A ceramic powder composition and an optoelectronic device substrate utilizing the ceramic powder composition are disclosed. The optoelectronic device substrate is formed by sintering a ceramic powder composition including 4 to 97 wt % (weight percent) of zircon, 0 to 60 wt % of silicon dioxide, and 0 to 80 wt % of alumina, wherein the sintered ceramic substrate includes first and second crystalline phases, the first crystalline phase is zircon, and the second crystalline phase is at least one of or a combination of alumina, silicon dioxide, and zirconia crystalline phases, furthermore, the second crystalline phase can also includes a mullite crystalline phase.
    Type: Application
    Filed: December 31, 2009
    Publication date: January 20, 2011
    Inventors: Yu-Hsin YEH, Jiin-Jyh Shyu, Ren-Der Jean, Tzer-Shen Lin
  • Publication number: 20100260970
    Abstract: A Ceramic substrate is provided. The ceramic substrate includes a ceramic main body and a planar buffer layer on the ceramic main body. Further, the coefficient of thermal expansion of the ceramic main body CTEm and the coefficient of thermal expansion of the planar buffer layer CTEp satisfy the following mathematical relationship: |CTEm?CTEp|?3×10?6/° C.
    Type: Application
    Filed: January 21, 2010
    Publication date: October 14, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yu-Hsin Yeh, Tzer-Shen Lin, Ren-Der Jean
  • Publication number: 20100163429
    Abstract: Gas sensing material and gas sensor employing the same are provided. The gas sensing material includes an inorganic metal oxide and an organic polymer, wherein the organic polymer includes a repeat unit having the structure of wherein R1 and R2 are an independent alkyl group, alkoxy group, alkoxycarbonyl group, aryl group, heteroaryl group, or aliphatic group.
    Type: Application
    Filed: June 3, 2009
    Publication date: July 1, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Kuo-Chuang Chiu, Ren-Der Jean, Jinn-Shing King, Ming-Tsung Hong, Shur-Fen Liu
  • Patent number: 7730808
    Abstract: Ceramic blades and fabrication methods thereof. A ceramic blade comprises a ceramic body having two sides and an edge. A coating layer is applied on the two sides and the edge, wherein the ceramic body is formed using a scraper to create substantially flat surface and to prevent residual stress damage.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: June 8, 2010
    Assignee: Industrial Technology Research Institute
    Inventors: Kuo-Chuang Chiu, Ren-Der Jean, Chuan-Lung Lu
  • Publication number: 20090152113
    Abstract: A gas detection system used for detecting a concentration of a gas in a second environment based on a concentration of the gas in a first environment is provided. The gas detection system may include a gas detecting device having two detection module, a first dielectric layer a second dielectric layer and a programmed control module. The control module may detect the voltage outputted by the first detection module to obtain the concentration of the gas in the second environment, when the detected voltage is smaller than a predetermined value. The control module may output a voltage signal to the second detection module and may detect the steady state current corresponding to the voltage signal to obtain the concentration of the gas in the second environment corresponding to the steady state current.
    Type: Application
    Filed: February 12, 2009
    Publication date: June 18, 2009
    Inventors: Kuo-Chuang Chiu, Ren-Der Jean
  • Publication number: 20060062675
    Abstract: Ceramic blades and fabrication methods thereof. A ceramic blade comprises a ceramic body having two sides and an edge. A coating layer is applied on the two sides and the edge, wherein the ceramic body is formed using a scraper to create substantially flat surface and to prevent residual stress damage.
    Type: Application
    Filed: June 10, 2005
    Publication date: March 23, 2006
    Inventors: Kuo-Chuang Chiu, Ren-Der Jean, Chuan-Lung Lu
  • Publication number: 20050247561
    Abstract: A ceramic gad sensor comprises an upper electrode, a reaction layer, a lower electrode, and a ceramic cavity layer. The reaction layer is a ceramic substrate with one end provided with a reaction region that has a plurality of duct holes penetrating through the upper and lower surfaces of the substrate and a reaction film covering the upper surface of the reaction region. The reaction film is made of a detecting material and connected to the duct holes. There is also the detecting material provided inside the duct holes. The upper electrode is attached on the reaction film. The lower electrode is attached on the lower surface of the substrate and connected to the duct holes. The ceramic cavity layer is provided on the lower surface of the reaction layer with the lower electrode in between.
    Type: Application
    Filed: August 30, 2004
    Publication date: November 10, 2005
    Inventors: Kuo-Chuang Chiu, Ren-Der Jean
  • Publication number: 20030155050
    Abstract: A high-strength and high-conductivity copper alloy is disclosed which contains essentially of: (a) from 0.5 to 2.5 wt % of Ni; (b) from 0.5 to 2.5 wt % of Co; (c) from 0.5 to 0.8 wt % of Si; (d). from 0.05 to 0.15 wt % of either Mg or P or both; and (e) the balance of Cu. The amounts of Co, Ni, and Si satisfy the following equations: 2%≦(Ni+Co)≦4%, and 0.8≦(Ni/4+Co/6)/Si≦1.2. The new copper alloy exhibits substantially improved electrical conductivity, greater than 65% IACA, than the commercially available C7025 copper alloy, while maintaining a satisfactory tensile strength (greater than 600 MPa), and, thus, can be most advantageously used for preparing leadframes for use in high pin-number (greater than 100 pins) IC application.
    Type: Application
    Filed: April 21, 2003
    Publication date: August 21, 2003
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Yaw Liu, Yu-Lian Sha, I-Ching Lee, Mao-Ying Teng, Ray-Iun Liu, Ren-Der Jean
  • Patent number: 6506269
    Abstract: A high-strength and high-conductivity copper alloy is disclosed which contains essentially of: (a) from 0.5 to 2.5 wt % of Ni; (b) from 0.5 to 2.5 wt % of Co; (c) from 0.5 to 0.8 wt % of Si; (d) from 0.05 to 0.15 wt % of either Mg or P or both; and (e) the balance of Cu. The amounts of Co, Ni, and Si satisfy the following equations: 2%≦(Ni+Co)≦4%, and 0.8≦(Ni/4+Co/6)/Si≦1.2. The new copper alloy exhibits substantially improved electrical conductivity, greater than 65% IACA, than the commercially available C7025 copper alloy, while maintaining a satisfactory tensile strength (greater than 600 MPa), and, thus, can be most advantageously used for preparing leadframes for use in high pin-number (greater than 100 pins) IC application.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: January 14, 2003
    Assignee: Industrial Technology Research Institute
    Inventors: Jin-Yaw Liu, Yu-Lian Sha, I-Ching Lee, Mao-Ying Teng, Ray-Iun Liu, Ren-Der Jean
  • Publication number: 20020029827
    Abstract: A high-strength and high-conductivity copper alloy is disclosed which contains essentially of: (a) from 0.5 to 2.5 wt % of Ni; (b) from 0.5 to 2.5 wt % of Co; (c) from 0.5 to 0.8 wt % of Si; (d) from 0.05 to 0.15 wt % of either Mg or P or both; and (e) the balance of Cu. The amounts of Co, Ni, and Si satisfy the following equations: 2%<(Ni+Co)<4%, and 0.8<(Ni/4+Co/6)/Si<1.2. The new copper alloy exhibits substantially improved electrical conductivity, greater than 65% IACA, than the commercially available C7025 copper alloy, while maintaining a satisfactory tensile strength (greater than 600 MPa), and, thus, can be most advantageously used for preparing leadframes for use in high pin-number (greater than 100 pins) IC application.
    Type: Application
    Filed: September 21, 2001
    Publication date: March 14, 2002
    Inventors: Jin-Yaw Liu, Yu-Lian Sha, I-Ching Lee, Mao-Ying Teng, Ray-Iun Liu, Ren-Der Jean