Patents by Inventor Long Chang

Long 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: 10090327
    Abstract: Embodiments for forming a semiconductor device structure are provided. The semiconductor device structure includes a substrate and a buried oxide layer formed over the substrate. An interface layer is formed between the substrate and the buried oxide layer. The semiconductor device structure also includes a silicon layer formed over the buried oxide layer; and a polysilicon layer formed over the substrate and in a deep trench. The polysilicon layer extends through the silicon layer, the buried oxide layer and the interface layer.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: October 2, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD
    Inventors: Kuo-Yu Cheng, Keng-Yu Chen, Wei-Kung Tsai, Kuan-Chi Tsai, Tsung-Yu Yang, Chung-Long Chang, Chun-Hung Chen, Chih-Ping Chao
  • Publication number: 20180278418
    Abstract: A system including a host and a guest device, where the guest device can be implemented on a single packaged integrated circuit or a multichip circuit and have logic to use a physical unclonable function to produce a security key. The device can include logic on the guest to provide the PUF key to the host in a secure manner. The physical unclonable function can use entropy derived from non-volatile memory cells to produce the initial key. Logic is described to disable changes to PUF data, and thereby freeze the key after it is stored in the set.
    Type: Application
    Filed: May 21, 2018
    Publication date: September 27, 2018
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Kuen-Long CHANG, Ken-Hui CHEN, Chin-Hung CHANG
  • Publication number: 20180264093
    Abstract: Disclosed herein are immunogenic glycopeptide compounds for inducing immune responses to prevent and/or treat cancer. Other aspects of the present disclosure are pharmaceutical compositions comprising the immunogenic glycopeptide compounds, and methods using the compounds for preventing and/or treating a cancer in a subject.
    Type: Application
    Filed: September 14, 2016
    Publication date: September 20, 2018
    Inventors: Chih-Long CHANG, Chao-Chih WU
  • Patent number: 10035557
    Abstract: A self-balancing vehicle frame is mounted with two angle sensors and two wheels that are electrically and respectively coupled to the angle sensors, and includes a front frame assembly that includes two front frame units and a first connecting unit. The front frame units cooperatively define a connecting space therebetween. Each of the front frame units is mounted with a respective one of the wheels and a respective one of the angle sensors, and is operable to tilt the corresponding one of the angle sensors. The first connecting unit is located in the connecting space, and interconnects the front frame units such that the front frame units are rotatable relative to each other.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: July 31, 2018
    Inventor: Fu-Long Chang
  • Publication number: 20180192193
    Abstract: A sound adjustment device for hearing protection and a sound adjustment method thereof are disclosed. The method includes: acquiring a sound signal, wherein the sound signal includes a plurality of frequency bands, each frequency band corresponds to a volume; analyzing whether the volume exceeds a setting condition; reducing a gain value of the frequency band which is exceeded the setting condition for reducing the volume of the frequency band and generating an adjusted sound signal; and outputting the adjusted sound signal.
    Type: Application
    Filed: April 26, 2017
    Publication date: July 5, 2018
    Inventors: Kuan-Li CHAO, Kuo-Ping YANG, Neo Bob Chih-Yung YOUNG, Chih-Long CHANG, Hsiang-Chun KO, Jian-Ying LI, Wei-Lin CHANG
  • Publication number: 20180157458
    Abstract: An electronic device includes an image capture module and a processing unit. The image capture module is used for capturing a user's face image. The processing unit includes an image analysis module and an inquiry module. The image analysis module is signally connected to the image capture module for analyzing the face image and obtaining age data according to a face recognition result. The inquiry module is signally connected to the image analysis module for obtaining a user's hearing data according to the age data, wherein the hearing data is the minimum volume data audible to the user for different frequencies of sound.
    Type: Application
    Filed: February 6, 2017
    Publication date: June 7, 2018
    Inventors: Kuo-Ping YANG, Neo Bob Chih-Yung YOUNG, Ming-Ren MA, Jian-Ying LI, Hsiang-Chun KO, Chih-Long CHANG, Kuan-Li CHAO, Po-Jui WU
  • Patent number: 9979368
    Abstract: A method for automatically lowering the playing volume is disclosed. The method includes the following steps of: obtaining a first value according to a first playing volume and a first accumulated playing time of a sound player; determining whether the first value reaches a first threshold value; if yes, then lowering the first playing volume of the sound player to a second playing volume; obtaining a second value according to the second playing volume and a second accumulated playing time of the sound player; determining whether the second value reaches a second threshold value; if yes, then lowering the second playing volume of the sound player again, wherein the second threshold value is less than the first threshold value.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: May 22, 2018
    Assignee: UNLIMITER MFA CO., LTD
    Inventors: Kuo-Ping Yang, Neo Bob Chih-Yung Young, Kuan-Li Chao, Chih-Long Chang, Wei-Lin Chang, Hsiang-Chun Ko
  • Publication number: 20180135874
    Abstract: The present invention relates to a fan guard for an electric fan. The fan guard includes a base guard including a plurality of guard supports; and a cooling assembly configured on the base guard and including: a cool transfer module having a cool transfer disk and a cool transfer body secured on the guard supports; a heat transfer module having a first end and a second end; a heat sink module having a matrix of fin plates; a thermoelectric cooler chip being in an annular shape and having a cooler hot side coupled with the first end and a cooler cool side coupled with the cool transfer disk; and a thermoelectric generator chip being in a rectangular shape and having a generator hot side coupled with the second end and a generator cool side coupled with the heat sink module.
    Type: Application
    Filed: November 16, 2016
    Publication date: May 17, 2018
    Inventor: Long Chang
  • Publication number: 20180123808
    Abstract: A device which can be implemented on a single packaged integrated circuit or a multichip includes a plurality of non-volatile memory cells, and logic to use a physical unclonable function to produce an initial key and to store the initial key in a set of non-volatile memory cells in the plurality of non-volatile memory cells. The device can include logic to use a random number generator to generate a random number, and logic to combine the initial key and the random number to produce an enhanced key. The physical unclonable function can use entropy derived from non-volatile memory cells in the plurality of non-volatile memory cells to produce the initial key. Logic is described to disable changes to data in the set of non-volatile memory cells, and thereby freeze the key after it is stored in the set.
    Type: Application
    Filed: December 28, 2017
    Publication date: May 3, 2018
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung HUNG, Kuen-Long CHANG, Ken-Hui CHEN, Shih-Chang HUANG
  • Patent number: 9951143
    Abstract: Disclosed herein are antibodies which specifically bind to at least one epitope defined by the immunogenic glycopeptide. Other aspects of the present disclosure are pharmaceutical composition comprising the antibody; and method for preventing and/or treating Globo-H-positive cancer.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: April 24, 2018
    Assignee: Mackay Medical Foundation The Presbyterian Church In Taiwan Mackay Memorial Hospital
    Inventors: Chih-long Chang, Chao-chih Wu
  • Patent number: 9940048
    Abstract: Methods for protecting data on an integrated circuit including a memory are described. One method includes storing nonvolatile protection codes on the integrated circuit. The nonvolatile protection codes have a first value indicating a protected state or a second value indicating an unprotected state for respective sectors in a plurality of sectors of the memory. The method includes storing volatile protection codes on the integrated circuit. The volatile protection codes have a first value indicating a protected state or a second value indicating an unprotected state for respective sectors in the plurality of sectors. The method includes blocking modification in a particular sector using circuitry on the integrated circuit when the volatile protection code for the particular sector has the first value, else allowing modification in the particular sector, and setting the volatile protection codes to values of the nonvolatile protection codes in an initialization procedure.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: April 10, 2018
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung Hung, Kuen-Long Chang, Ken-Hui Chen, Su-Chueh Lo
  • Patent number: 9899979
    Abstract: A method for recording a playback setting of sound is disclosed. The method is applied to an electronic device having an equalizer and includes the following steps of: acquiring an archival data of a sound file played by the electronic device; receiving a set record command; acquiring a gain setting data of the equalizer according to the set record command; pairing the archival data with the gain setting data to generate a pairing data; and saving the pairing data.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: February 20, 2018
    Assignee: UNLIMITER MFA CO., LTD.
    Inventors: Kuo-Ping Yang, Neo Bob Chih-Yung Young, Kuan-Li Chao, Ming-Ren Ma, Chih-Long Chang
  • Publication number: 20180040257
    Abstract: A method for facilitating handwriting practice includes: generating handwriting strokes in response to user input of user-writing strokes; generating an input image that includes the handwriting strokes, and that has a shape similar to a shape of a standard image associated with a standard word character; scaling the input image to generate a scaled image with a size that is the same as a size the standard image; overlapping the standard image and the scaled image; comparing an nth handwriting stroke in the scaled image with an nth standard stroke in a standard order of the standard word character; and when the nth handwriting stroke does not correspond in position to the nth standard stroke, displaying a notification of a stroke order error.
    Type: Application
    Filed: March 22, 2017
    Publication date: February 8, 2018
    Applicant: National Taiwan Normal University
    Inventors: Hsien-Sheng HSIAO, Chia-Hou WU, Rong-Long CHANG, Yu-Kai CHANG
  • Publication number: 20180039581
    Abstract: A system and method for utilizing a security key stored in non-volatile memory, and for generating a PUF-based data set on an integrated circuit including non-volatile memory cells, such as flash memory cells, are described. The method includes storing a security key in a particular block in a plurality of blocks of the non-volatile memory array; utilizing, in a security logic circuit coupled to the non-volatile memory array, the security key stored in the particular block in a protocol to enable access via a port by external devices or communication networks to data stored in blocks in the plurality of blocks; and enabling read-only access to the particular block by the security logic for use in the protocol, and preventing access to the particular block via the port.
    Type: Application
    Filed: May 22, 2017
    Publication date: February 8, 2018
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung Hung, Kuen-Long Chang, Ken-Hui Chen, Shih-Chang Huang
  • Publication number: 20180040356
    Abstract: A system and method for utilizing a security key stored in non-volatile memory, and for generating a PUF-based data set on an integrated circuit including non-volatile memory cells, such as flash memory cells, are described. The method includes storing a security key in a particular block in a plurality of blocks of the non-volatile memory array; utilizing, in a security logic circuit coupled to the non-volatile memory array, the security key stored in the particular block in a protocol to enable access via a port by external devices or communication networks to data stored in blocks in the plurality of blocks; and enabling read-only access to the particular block by the security logic for use in the protocol, and preventing access to the particular block via the port.
    Type: Application
    Filed: May 22, 2017
    Publication date: February 8, 2018
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung Hung, Kuen-Long Chang, Ken-Hui Chen, Shih-Chang Huang
  • Publication number: 20180039784
    Abstract: A system and method for utilizing a security key stored in non-volatile memory, and for generating a PUF-based data set on an integrated circuit including non-volatile memory cells, such as flash memory cells, are described. The method includes storing a security key in a particular block in a plurality of blocks of the non-volatile memory array; utilizing, in a security logic circuit coupled to the non-volatile memory array, the security key stored in the particular block in a protocol to enable access via a port by external devices or communication networks to data stored in blocks in the plurality of blocks; and enabling read-only access to the particular block by the security logic for use in the protocol, and preventing access to the particular block via the port.
    Type: Application
    Filed: May 22, 2017
    Publication date: February 8, 2018
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chun-Hsiung Hung, Kuen-Long Chang, Ken-Hui Chen, Shih-Chang Huang
  • Patent number: 9881654
    Abstract: An integrated circuit comprises a power supply input pin receiving an off-chip supply voltage having a variable current, an on-chip power source powered by the off-chip supply voltage and providing a regulated current, a memory array, and a set of one or more circuits coupled to the memory array and powered by the regulated current from the on-chip power source. The IC can include control circuitry performing memory operations on the memory array, said control circuitry powered by at least the off-chip supply voltage from the power supply pin.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: January 30, 2018
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Wu-Chin Peng, Chun-Yi Lee, Ken-Hui Chen, Kuen-Long Chang, Chun Hsiung Hung
  • Patent number: 9876493
    Abstract: A decode switch and a method for controlling a decode switch are provided. The decode switch includes a power source providing a first voltage, a source capacitance coupled to the power source, and a target capacitance coupled to the power source. The power source charges the source capacitance to the first voltage. The source capacitance is connected to the target capacitance and the source capacitance charges the target capacitance to a second voltage. The power source charges the target capacitance from the second voltage to the first voltage.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: January 23, 2018
    Assignee: MACRONIX International Co., Ltd.
    Inventors: Yi-Fan Chang, Chun-Yi Lee, Ken-Hui Chen, Kuen-Long Chang, Chun-Hsiung Hung
  • Patent number: 9852811
    Abstract: In accordance with the disclosure, there is provided a memory device configured to implement an error detection protocol. The memory device includes a memory array and a first input for receiving a control signal corresponding to a command cycle. The memory device also includes a second input for receiving an access control signal during a command cycle and for receiving an error detection signal during the command cycle, wherein the error detection signal includes information corresponding to the access control signal. The memory device further includes control logic configured to verify the correctness of the access control signal by a comparison with the error detection signal and perform an operation on the memory array during the command cycle when the correctness of the access control signal is verified.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: December 26, 2017
    Assignee: Macronix International Co., Ltd.
    Inventors: Kuen Long Chang, Ken Hui Chen, Su Chueh Lo, Chia-Feng Cheng
  • Publication number: 20170362337
    Abstract: Disclosed herein are antibodies which specifically bind to at least one epitope defined by the immunogenic glycopeptide. Other aspects of the present disclosure are pharmaceutical composition comprising the antibody; and method for preventing and/or treating Globo-H-positive cancer.
    Type: Application
    Filed: July 20, 2017
    Publication date: December 21, 2017
    Applicant: Mackay Medical Foundation The Presbyterian Church In Taiwan Mackay Memorial Hospital
    Inventors: Chih-long CHANG, Chao-chih WU