Patents Assigned to National Chiao Tung University
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Patent number: 11970492Abstract: The present invention provides 11-arylcinnolino[2,3-f]phenanthridinium salt compounds and method for producing the same by highly regioselective synthesis of 11-phenylimino[2,3-f]phenanthridin-9-ium salts from 2-azobiaryls and alkenes under catalysis of palladium, through double oxidative C—H coupling of alkenes, to give the polycyclic cinnolinophenanthridinium salts in moderate yields. The reaction mechanism involves ortho C—H olefination of 2-azobiaryls by alkenes, intramolecular aza-Michael addition, ?-hydride elimination, electrophilic palladation followed by intramolecular C—H activation and reductive elimination. The prepared quaternary ammonium salts are candidate materials for solution-processable OLED and bioimaging materials.Type: GrantFiled: January 29, 2021Date of Patent: April 30, 2024Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Shih-Ching Chuang, Jayakumar Jayachandran
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Patent number: 11840729Abstract: A portable genome sequencing and genotyping device includes a sample processing module, a sequencing module, an analyzing module, and a communication module. The sample processing module is configured to process a sample so as to generate at least one DNA segment of the sample. The sequencing module is connected to the sample processing module, and is configured to generate a number of base sequences corresponding to the at least one DNA segment. The analyzing module is coupled to the sequencing module, and is configured to generate a genotyping analysis result based on the base sequences. The communication module is configured to receive the genotyping analysis result and transmit the genotyping analysis result to a user terminal.Type: GrantFiled: December 7, 2020Date of Patent: December 12, 2023Assignees: NATIONAL CHIAO TUNG UNIVERSITY, NATIONAL TAIWAN UNIVERSITYInventors: Jui-Hung Hung, Chia-Hsiang Yang
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Patent number: 11741599Abstract: Disclosed herein is a method of treating a subject having arterial stenosis. The method comprises: (a) providing a plurality of image frames of an artery of the subject taken in sequence; (b) in a plurality of cross-sections of the artery, determining a maximum diameter and a minimum diameter of each of the plurality of cross-sections of the artery among the plurality of image frames of the step (a); (c) calculating an average vasodilation ratio of the artery base on the maximum diameter and the minimum diameter determined in the step (b); and (d) treating the subject based on the average vasodilation ratio calculated in the step (c), by implanting a stent to the subject when the average vasodilation ratio is equal to or greater than 0.2; or administering to the subject an effective amount of a vasodilator when the average vasodilation ratio is less than 0.2.Type: GrantFiled: August 10, 2020Date of Patent: August 29, 2023Assignees: MacKay Memorial Hospital, National Chiao Tung UniversityInventors: Shen Chi, Po-Lin Lin, Ying-Hsiang Lee, Yu-Min Liu, Long Hsu, Ruo-Jing Ho, Chang Francis Hsu, Han-Ping Huang
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Patent number: 11732230Abstract: A biomimetic system is provided for evaluating an effect of a test sample in vitro, and includes at least one organ chip, at least one medium container, a liquid pump, a nebulizer, a gas pump, and a chamber device. The liquid pump is provided to drive a liquid medium in the medium container to flow into a lower sub-channel of the organ chip and then to be discharged back into the medium container. The nebulizer is provided for atomizing a test solution including the test sample into an aerosol. The gas pump is provided to generate a pressurized gas which force the aerosol to flow out of a chamber of the chamber device and then to flow through an upper sub-channel of the organ chip.Type: GrantFiled: June 11, 2020Date of Patent: August 22, 2023Assignee: National Chiao Tung UniversityInventors: Guan-Yu Chen, Jia-Wei Yang, Ko-Chih Lin
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Patent number: 11690935Abstract: The invention provides a thermosensitive peptide hydrogel, which comprises water, a polyether/polyol polymer and a peptide molecule. The peptide molecule has a structure represented by the following chemical formula (1).Type: GrantFiled: November 19, 2020Date of Patent: July 4, 2023Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsin-Chieh Lin, Imam Sahroni
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Patent number: 11635400Abstract: A gas sensor for sensing a gas in a humid environment includes a first electrode layer, a second electrode layer that is spaced apart from the first electrode layer, and a gas sensing layer that electrically interconnects the first electrode layer and the second electrode layer. The gas sensing layer is made of a hygroscopic electrically insulating material.Type: GrantFiled: August 19, 2020Date of Patent: April 25, 2023Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsiao-Wen Zan, Hsin-Fei Meng, Chien-Lung Wang, Sheng-Fu Horng, Hsuan Chu, Wei-Lun Chen, Ting-Hsuan Huang, Pin-Hsuan Li
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Patent number: 11626817Abstract: A vortex-induced vibration wind energy harvesting device, including an array consisting of a plurality of oscillators and a plurality of piezoelectric microelectromechanical systems (MEMSs), is provided. An oscillator is mounted on each of the piezoelectric MEMSs. When any one of the oscillators is oscillated by and resonant with vortex shedding due to an incoming airflow, its vortices in the wake will enhance the oscillation of the downstream oscillators, so that overall oscillation of the oscillators in the array is strengthened. The piezoelectric MEMSs are deformed by the vibration of these oscillators to generate voltage and current to output. In the present invention, the oscillators are arranged closely. When the airflow passes the array, even weak airflow can generate periodic force and cause significant oscillation due to resonance. The MEMS can convert mechanical energy into electrical energy and output it in order to achieve the purpose of wind energy harvesting.Type: GrantFiled: September 11, 2020Date of Patent: April 11, 2023Assignee: National Chiao Tung UniversityInventor: Kim-Boon Lua
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Publication number: 20230049675Abstract: A gas sensor includes a first electrode, a gas detecting layer disposed on the first electrode, and an electric-conduction enhanced electrode unit being electrically connected to the first electrode and the gas detecting layer. The electric-conduction enhanced electrode unit includes an electric-conduction enhancing layer and a second electrode electrically connected to the electric-conduction enhancing layer. The electric-conduction enhancing layer is electrically connected to the gas detecting layer and is made of an electrically conductive organic material.Type: ApplicationFiled: October 28, 2022Publication date: February 16, 2023Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsiao-Wen ZAN, Hsin-Fei MENG, Yu-Chi LIN, Shang-Yu YU, Ting-Wei TUNG, Yi-Chu WU, Yu-Nung MAO
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Patent number: 11552894Abstract: A method for regulating traffic of a Transmission Control Protocol (TCP) flow includes: deciding, based on a ratio of current bucket level to bucket size, a value of an Explicit Congestion Notification (ECN) bit of a packet; setting a field of a meter tag of the packet based on a packet length of the packet, the value of the ECN bit, and a current bucket level; updating the current bucket level based on the field of the meter tag; calculating an actual transmission rate; and determining an adjustment value based on a difference between the actual transmission rate and a target rate, and adjusting a rate of change of bucket level based on the adjustment value.Type: GrantFiled: December 1, 2020Date of Patent: January 10, 2023Assignee: National Chiao Tung UniversityInventors: Shie-Yuan Wang, Hsien-Wen Hu, Yi-Bing Lin
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Patent number: 11538920Abstract: A method for increasing an oxide thickness at trench corner of an UMOSFET is provided, comprising providing an N-type substrate, and forming an N-type drift region, N-type and P-type heavily doped regions and P-type body therein. A trench is defined through lithography, and a pad oxide is formed along the trench through oxidation or deposition process. An oxidation barrier is formed upon the pad oxide. A thermal oxidation process is employed, so a corner oxide is effectively formed at the trench corner. After removing the pad oxide and oxidation barrier, various back-end processes are carried out to complete the transistor structure. The invention is aimed to increase oxide thickness near the trench bottom, and can be applied to high voltage devices, such as SiC. The conventional electric field crowding effect occurring at the trench corner is greatly solved, thus increasing breakdown voltages thereof.Type: GrantFiled: January 29, 2021Date of Patent: December 27, 2022Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Bing-Yue Tsui, Fang-Hsin Lu, Yi-Ting Shih
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Patent number: 11536811Abstract: A distance measuring device includes a pulsed laser source, a light receiving unit and a computing module. The pulsed laser source emits a laser pulse to a target in accordance with a predetermined period. The light receiving unit has a photon receiving type of light receiving element that receives incident light and outputs a binary pulse, and the binary pulse is used to indicate whether a photon receiving event occurs. The computing module is configured to receive the binary pulse and determine whether an inter-period coincidence event occurs, and the inter-period coincidence event is defined by detecting a plurality of photon receiving events exceeding a predetermined count, on relative positions in a predetermined period number of the predetermined periods. If the calculation module determines that the inter-period coincidence event occurs, a distance of the target is calculated according to time information related to the inter-period coincidence event.Type: GrantFiled: December 6, 2019Date of Patent: December 27, 2022Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Chia-Ming Tsai, Yu-Wei Chen, Yung-Chien Liu
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Patent number: 11531884Abstract: A separate quantization method of forming a combination of 4-bit and 8-bit data of a neural network is disclosed. When a training data set and a validation data set exist, a calibration manner is used to determine a threshold for activations of each of a plurality of layers of a neural network model, so as to determine how many of the activations to perform 8-bit quantization. In a process of weight quantization, the weights of each layer are allocated to 4-bit weights and 8-bit weights according to a predetermined ratio, so as to make the neural network model have a reduced size and a combination of 4-bit and 8-bit weights.Type: GrantFiled: September 27, 2019Date of Patent: December 20, 2022Assignee: National Chiao Tung UniversityInventors: Tien-Fu Chen, Chien-Chih Chen, Jing-Ren Chen
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Patent number: 11529591Abstract: A plasma system is provided. The plasma system includes a low-temperature atmospheric-pressure plasma source and a water-mist supplying source. The low-temperature atmospheric-pressure plasma source has a nozzle. The nozzle is configured to eject a plasma. The water-mist supplying source is configured to deliver a water mist to the plasma ejected from the nozzle.Type: GrantFiled: July 2, 2020Date of Patent: December 20, 2022Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Jong-Shinn Wu, Yun-Chien Cheng, Tsung-Rong Lin
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Patent number: 11522151Abstract: An organic light-emitting device includes a first electrode layer, an emission layer, an electron transporting layer, an electron injection layer, and a second electrode layer sequentially formed from bottom to top. The emission layer includes a guest light-emitting material, a first phenyl phosphine oxide derivative and a hole transporting material. The electron transporting layer includes a second phenyl phosphine oxide derivative and a third phenyl phosphine oxide derivative different from the second phenyl phosphine oxide derivative. One of the second phenyl phosphine oxide derivative and the third phenyl phosphine oxide derivative is identical to the first phenyl phosphine oxide derivative. The electron injection layer includes an alkaline metal compound.Type: GrantFiled: January 29, 2019Date of Patent: December 6, 2022Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsin-Fei Meng, Sheng-Fu Horng, Yu-Chiang Chao, Chih-Yu Chang, Yu-Fan Chang, Mei-Peng Liou, Qian-Wei Lin, Hsiao-Tso Su, Chiung-Wen Chang
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Patent number: 11499937Abstract: A gas sensor includes a first electrode, a gas detecting layer disposed on the first electrode, and an electric-conduction enhanced electrode unit being electrically connected to the first electrode and the gas detecting layer. The electric-conduction enhanced electrode unit includes an electric-conduction enhancing layer and a second electrode electrically connected to the electric-conduction enhancing layer. The electric-conduction enhancing layer is electrically connected to the gas detecting layer and is made of an electrically conductive organic material.Type: GrantFiled: July 18, 2019Date of Patent: November 15, 2022Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsiao-Wen Zan, Hsin-Fei Meng, Yu-Chi Lin, Shang-Yu Yu, Ting-Wei Tung, Yi-Chu Wu, Yu-Nung Mao
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Patent number: 11499219Abstract: A method of fabricating a thin film with a varying thickness includes the steps of providing a shadow mask with an opening, providing a carrier plate, arranging a substrate on the carrier plate, and coating the substrate through the opening whilst rotating the carrier plate relative to the shadow mask. A plurality of zones of the substrates is swept and exposed from arcuate portions of the opening per each turn by a plurality of predetermined exposure times, respectively. The varying thickness of the thin film corresponds to variation of the predetermined exposure times.Type: GrantFiled: November 10, 2020Date of Patent: November 15, 2022Assignee: National Chiao Tung UniversityInventors: Cheng-Sheng Huang, Chi-Yung Hsieh, Yu-Chi Lin, Chih-Chung Wu, Chi-Fang Huang
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Patent number: 11492274Abstract: A liquid treatment apparatus includes a water pump and a plasma jet generating device. A liquid inlet of the water pump is immersed in a liquid. A liquid outlet of the water pump is configured to eject the liquid from the liquid inlet out of the water pump without artificial bubbles in the liquid. A gas inlet of the plasma jet generating device is configured to be located out of the liquid. A pair of electrodes of the plasma jet generating device is configured to generate plasma jet by the gas from the gas inlet. The plasma jet outlet is configured to be immersed in the liquid and in proximity to the liquid outlet of the water pump so that the gas is automatically entrained into the gas inlet of the plasma jet generating device when the liquid is ejected out from the liquid outlet.Type: GrantFiled: May 28, 2020Date of Patent: November 8, 2022Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Jong-Shinn Wu, Mu-Chien Wu, Satoshi Uehara, Takehiko Sato
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Patent number: 11480426Abstract: An optical displacement sensing system is provided. With configuration of an optical sensor disposed on a displacement platform and in cooperation with a broadband light source and an optical spectrum analyzer, when the displacement platform moves, the waveguide grating of the optical sensor is resonated and the reflected light provided with a resonance wavelength is formed. The waveguide grating has the plurality of grating periods, and when the displacement platform moves to a different position to make the broadband light source correspond to a different grating period, the position can correspond to the different resonance wavelength. Therefore, according to the aforementioned configuration, the position is determined according to the different resonance wavelength, instead of using an optical encoder; furthermore, the micrometer-scale or nanometer-scale displacement detection is achieved.Type: GrantFiled: April 26, 2021Date of Patent: October 25, 2022Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Cheng-Sheng Huang, Yen-Chieh Wang
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Patent number: 11475585Abstract: An antenna adjustment device and an antenna adjustment method for a mobile vehicle, in which main structure includes the mobile vehicle having a directional antenna, a photographic element and an epipolar line analysis component. The epipolar line analysis component establishes data connection with the directional antenna and the photographic element. The photographic element includes a photographic part and an image receiving processing part. With the above structure, the user can use the photographic element with the directional antenna to define an epipolar line of optimal connection efficiency with the base station on the image receiving processing part. When the connection is needed, the mobile vehicle is moved for adjusting an image of the base station imaged by the image receiving processing part to align to the epipolar line, so as to get the optimal connection efficiency.Type: GrantFiled: April 9, 2020Date of Patent: October 18, 2022Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Yi-Yu Hsieh, Dong-Lin Li, Kuan-Wen Chen, Jen-Hui Chuang
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Patent number: 11457850Abstract: A neural-signal amplifier includes an amplifier, a switched-capacitor circuit-input unit, a switched-capacitor feedback-circuit unit, and a switched-capacitor circuit-output unit. Each of the switched-capacitor circuit-input unit, the switched-capacitor feedback-circuit unit, and the switched-capacitor circuit-output unit includes a plurality of differential switches, a plurality of common mode switches, and a plurality of capacitors. By controlling the switches to turn on or performing the switched-capacitor operation, the neural-signal amplifier is controlled to suppress the DC drift and reconstruct the DC input of the common-mode power supply.Type: GrantFiled: December 5, 2019Date of Patent: October 4, 2022Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hung-Pin Lu, Po-Tsang Huang, Wei Hwang