Patents by Inventor Chee-Keong Tee

Chee-Keong Tee 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: 20250214255
    Abstract: A classifying sensing system, a classifying method performed using a sensing system, a tactile sensor, and a method of fabricating a tactile sensor. The classifying sensing system comprises a first spiking neural network, SNN, encoder configured for encoding an event-based output of a vision sensor into individual vision modality spiking representations with a first output size; a second SNN encoder configured for encoding an event-based output of a tactile sensor into individual tactile modality spiking representations with a second output size; a combination layer configured for merging the vision modality spiking representations and the tactile modality spiking representations; and a task SNN configured to receive the merged vision modality spiking representations and tactile modality spiking representations and output vision-tactile modality spiking representations with a third output size for classification.
    Type: Application
    Filed: February 21, 2025
    Publication date: July 3, 2025
    Applicant: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Chee Keong TEE, Hian Hian SEE, Brian LIM, Soon Hong Harold SOH, Tasbolat TAUNYAZOV, Weicong SNG, Sheng Yuan Jethro KUAN, Abdul Fatir ANSARI
  • Patent number: 12295617
    Abstract: Disclosed are fluid controllers configured for removable attachment to a fluid introduction device, wherein the fluid controller comprises a body configured to extend at least partially over the fluid introduction device; an orifice arranged relative to the body to facilitate transfer of a fluid from the fluid introduction device through the fluid controller; a fluid retention structure extending outwardly from at least a portion of the body, wherein the fluid retention structure is configured to engage with a wall of a vaginal canal and inhibit a flow of the fluid from the vaginal canal; and at least one connector configured to releasably attach the fluid controller to the fluid introduction device.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: May 13, 2025
    Assignee: HANNAH LIFE TECHNOLOGIES PTE, LTD.
    Inventors: Prusothman M. Sina Raja, Chee Keong Tee, Zongyuan Xu, Qi Tan, Chelsea Nisban, Ziyue Lu, Kelli Zhao Rong Chan
  • Patent number: 12259287
    Abstract: A sensing structure and a method of fabricating a sensing structure for a compressive-type pressure sensor. The method comprises the steps of providing an elastic micropatterned substrate defining a plurality of 3-dimensional microstructures, each microstructure comprising a tip portion pointing away from the substrate in a first direction; forming a conductive film on the elastic micropatterned substrate such that the 3-dimensional microstructures are substantially covered by the conductive film; and forming cracks in the conductive film in areas on 3-dimensional microstructures.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: March 25, 2025
    Assignee: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Chee Keong Tee, Haicheng Yao, Weidong Yang, Yu Jun Tan
  • Patent number: 12257727
    Abstract: A classifying sensing system, a classifying method performed using a sensing system, a tactile sensor, and a method of fabricating a tactile sensor. The classifying sensing system comprises a first spiking neural network, SNN, encoder configured for encoding an event-based output of a vision sensor into individual vision modality spiking representations with a first output size; a second SNN encoder configured for encoding an event-based output of a tactile sensor into individual tactile modality spiking representations with a second output size; a combination layer configured for merging the vision modality spiking representations and the tactile modality spiking representations; and a task SNN configured to receive the merged vision modality spiking representations and tactile modality spiking representations and output vision-tactile modality spiking representations with a third output size for classification.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: March 25, 2025
    Assignee: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Chee Keong Tee, Hian Hian See, Brian Lim, Soon Hong Harold Soh, Tasbolat Taunyazov, Weicong Sng, Sheng Yuan Jethro Kuan, Abdul Fatir Ansari
  • Publication number: 20240350008
    Abstract: A system and method for measuring intraocular pressure (IOP) of the eye. The method 5 comprises the steps of touching the eyelid with a pressure sensor array; obtaining a spatiotemporal representation of pressure sensor stimulation of the pressure sensor array while touching the eyelid with the pressure sensor array; and applying a machine learning model to classify the spatiotemporal representation into an IOP value.
    Type: Application
    Filed: August 22, 2022
    Publication date: October 24, 2024
    Applicants: NATIONAL UNIVERSITY OF SINGAPORE, NATIONAL UNIVERSITY HOSPITAL (SINGAPORE) PTE LTD
    Inventors: Chee Keong TEE, Kelu YU, Si LI, Victor KOH, Kwok Hung LEE
  • Patent number: 12120814
    Abstract: A stretchable interconnect structure for electrically connecting electronic devices and a method of fabricating a stretchable interconnect structure for electrically connecting electronic devices. The method comprises the steps of providing an electrically conductive wire having a 3-dimensional helical form; and embedding the electrically conductive wire in a substrate made from an elastic material.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: October 15, 2024
    Assignee: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Chee Keong Tee, Yue Zhao, Yu Jun Tan
  • Patent number: 12091538
    Abstract: A dielectric material, to a device comprising the dielectric material and to use of the dielectric material in the fabrication of a device. One dielectric material may comprise a halogen-based elastomer mixed with a halogen based surfactant and exhibiting electro-mechanical self-healing properties and/or an increased dielectric constant compared to the halogen-based elastomer. Another dielectric material may comprise a halogen-based polymer mixed with a halogen based surfactant and exhibiting an increased dielectric constant compared to the halogen-based polymer.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: September 17, 2024
    Assignee: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Chee Keong Tee, Yu Jun Tan
  • Patent number: 12015197
    Abstract: There is provided a metamaterial textile for providing wireless sensor network and method of designing such. The metamaterial textile comprising a sheet of metamaterial textile cut into a comb shape comprising long base with a plurality of metamaterial textile teeth extending along and from the base, wherein a gap is present between every two adjacent teeth, whereby, the metamaterial textile is configured to enable propagation of radio-surface plasmons wave along the metamaterial textile for providing wireless sensor network. The metamaterial textile is configured to control the height of the radio-surface plasmons wave by changing number of the metamaterial textile teeth, and changing dimensions of the metamaterial textile teeth and changing dimensions of the gaps.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: June 18, 2024
    Assignee: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: John Ho, Chee Keong Tee, Xi Tian, Pui Mun Lee
  • Publication number: 20240159610
    Abstract: A system for generating an electrical signal responsive to a pressure input, a sensory system, and a method for generating an electrical signal responsive to a pressure input. The system comprises a diaphragm configured to be subjected to the pressure input; a microfluidic channel with a first end thereof coupled to the diaphragm such that the pressure input generates a corresponding pressure change in the microfluidic channel; one or more magnets disposed in a carrier liquid in the microfluidic channel; and one or more coils disposed along the microfluidic channel and for generating the electrical signal based on Faraday effect by the magnets moving, under the pressure change in the microfluidic channel, through the respective coils.
    Type: Application
    Filed: March 25, 2022
    Publication date: May 16, 2024
    Applicant: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Chee Keong TEE, Hian Hian SEE, Si LI, Aeree KIM
  • Patent number: 11918191
    Abstract: A conception aid for assisting in natural conception may include a platform configured for placement in a vaginal canal, wherein the platform comprises one or more capturing elements configured to collect semen. A method of aiding conception may include providing a conception aid device including one or more capturing elements, collecting semen with the one or more capturing elements wherein the one or more capturing elements is configured to contain the collected semen on the device, and positioning the device in a vaginal canal.
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: March 5, 2024
    Assignee: HANNAH LIFE TECHNOLOGIES PTE, LTD.
    Inventors: Prusothman Sina Raja, Chee Keong Tee, Vivek Murali, Zongyuan Xu, Shruthi Pandi Chelvam
  • Publication number: 20230330859
    Abstract: A classifying sensing system, a classifying method performed using a sensing system, a tactile sensor, and a method of fabricating a tactile sensor. The classifying sensing system comprises a first spiking neural network, SNN, encoder configured for encoding an event-based output of a vision sensor into individual vision modality spiking representations with a first output size; a second SNN encoder configured for encoding an event-based output of a tactile sensor into individual tactile modality spiking representations with a second output size; a combination layer configured for merging the vision modality spiking representations and the tactile modality spiking representations; and a task SNN configured to receive the merged vision modality spiking representations and tactile modality spiking representations and output vision-tactile modality spiking representations with a third output size for classification.
    Type: Application
    Filed: June 15, 2021
    Publication date: October 19, 2023
    Applicant: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Chee Keong TEE, Hian Hian SEE, Brian LIM, Soon Hong Harold SOH, Tasbolat TAUNYAZOV, Weicong SNG, Sheng Yuan Jethro KUAN, Abdul Fatir ANSARI
  • Publication number: 20230277219
    Abstract: Disclosed are fluid controllers configured for removable attachment to a fluid introduction device, wherein the fluid controller comprises a body configured to extend at least partially over the fluid introduction device; an orifice arranged relative to the body to facilitate transfer of a fluid from the fluid introduction device through the fluid controller; a fluid retention structure extending outwardly from at least a portion of the body, wherein the fluid retention structure is configured to engage with a wall of a vaginal canal and inhibit a flow of the fluid from the vaginal canal; and at least one connector configured to releasably attach the fluid controller to the fluid introduction device.
    Type: Application
    Filed: April 19, 2023
    Publication date: September 7, 2023
    Applicant: Hannah Life Technologies PTE, Ltd.
    Inventors: Prusothman M. SINA RAJA, Chee Keong TEE, Zongyuan XU, Qi TAN, Chelsea NISBAN, Ziyue LU, Kelli Zhao Rong CHAN
  • Publication number: 20230277218
    Abstract: Disclosed are fluid controllers configured for removable attachment to a fluid introduction device, wherein the fluid controller comprises a body configured to extend at least partially over the fluid introduction device; an orifice arranged relative to the body to facilitate transfer of a fluid from the fluid introduction device through the fluid controller; a fluid retention structure extending outwardly from at least a portion of the body, wherein the fluid retention structure is configured to engage with a wall of a vaginal canal and inhibit a flow of the fluid from the vaginal canal; and at least one connector configured to releasably attach the fluid controller to the fluid introduction device.
    Type: Application
    Filed: December 5, 2022
    Publication date: September 7, 2023
    Applicant: Hannah Life Technologies PTE, Ltd.
    Inventors: Prusothman M. SINA RAJA, Chee Keong TEE, Zongyuan XU, Qi TAN, Chelsea NISBAN, Ziyue LU, Kelli Zhao Rong CHAN
  • Publication number: 20230048673
    Abstract: A conception aid for assisting in natural conception may include a platform configured for placement in a vaginal canal, wherein the platform comprises one or more capturing elements configured to collect semen. A method of aiding conception may include providing a conception aid device including one or more capturing elements, collecting semen with the one or more capturing elements wherein the one or more capturing elements is configured to contain the collected semen on the device, and positioning the device in a vaginal canal.
    Type: Application
    Filed: May 17, 2022
    Publication date: February 16, 2023
    Applicant: Hannah Life Technologies PTE, Ltd.
    Inventors: Prusothman SINA RAJA, Chee Keong TEE, Vivek MURALI, Zongyuan KU, Shruthi PANDI CHELVAM
  • Patent number: 11474601
    Abstract: In a described embodiment, a sensor-based communication apparatus (100) is disclosed. The communication apparatus (100) comprises a plurality of sensor nodes (112) associated with respective unique pulse signatures (200) and adapted to communicate with respective sensors (113) with each sensor (113) configured to generate a sensory signal (113a) in response to a respective stimulus (113b). Each sensor node (112) is triggered, upon receipt of the corresponding sensory signal (113a), to transmit the associated unique pulse signature (200) independently and asynchronously through a transmission medium (110) shared by the sensor nodes (112), and the unique pulse signatures (200) transmitted by the sensor nodes (112) being a representation (300) of a stimulus event associated with the stimuli detected by the corresponding sensors (113). A method and a communication medium are also disclosed.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: October 18, 2022
    Assignee: National University of Singapore
    Inventors: Chee Keong Tee, Wang Wei Lee, Kian Ann Ng, John Ho
  • Publication number: 20220325089
    Abstract: A dielectric material, to a device comprising the dielectric material and to use of the dielectric material in the fabrication of a device. One dielectric material may comprise a halogen-based elastomer mixed with a halogen based surfactant and exhibiting electro-mechanical self-healing properties and/or an increased dielectric constant compared to the halogen-based elastomer. Another dielectric material may comprise a halogen-based polymer mixed with a halogen based surfactant and exhibiting an increased dielectric constant compared to the halogen-based polymer.
    Type: Application
    Filed: May 31, 2019
    Publication date: October 13, 2022
    Applicant: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Chee Keong TEE, Yu Jun TAN
  • Publication number: 20220299385
    Abstract: A composite structure for a pressure sensor, a pressure sensor, a method of pressure sensing using the pressure sensor, and a method of fabricating a composite structure for a pressure sensor. The method of fabricating a composite structure for a pressure sensor comprises the steps of forming an array of microstructures made from an elastomeric material; and forming a flexible conductive coating on the array of microstructures such that a surface morphology of microstructures is substantially maintained for the coated array of the microstructures; wherein the conductive coating exhibits a Young's modulus that is higher than that of the elastomeric material.
    Type: Application
    Filed: June 10, 2020
    Publication date: September 22, 2022
    Applicant: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Chee Keong TEE, Haicheng YAO, Pengju LI, Wen CHENG
  • Patent number: 11357481
    Abstract: A conception aid for assisting in natural conception may include a platform configured for placement in a vaginal canal, wherein the platform comprises one or more capturing elements configured to collect semen. A method of aiding conception may include providing a conception aid device including one or more capturing elements, collecting semen with the one or more capturing elements wherein the one or more capturing elements is configured to contain the collected semen on the device, and positioning the device in a vaginal canal.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: June 14, 2022
    Assignee: HANNAH LIFE TECHNOLOGIES PTE, LTD.
    Inventors: Prusothman M. Sina Raja, Chee Keong Tee, Vivek Murali, Zongyuan Xu, Shruthi Pandi Chelvam
  • Publication number: 20220128420
    Abstract: A sensing structure and a method of fabricating a sensing structure for a compressive-type pressure sensor. The method comprises the steps of providing an elastic micropatterned substrate defining a plurality of 3-dimensional microstructures, each microstructure comprising a tip portion pointing away from the substrate in a first direction; forming a conductive film on the elastic micropatterned substrate such that the 3-dimensional microstructures are substantially covered by the conductive film; and forming cracks in the conductive film in areas on 3-dimensional microstructures.
    Type: Application
    Filed: February 7, 2020
    Publication date: April 28, 2022
    Applicant: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Chee Keong TEE, Haicheng YAO, Weidong YANG, Yu Jun TAN
  • Publication number: 20220117082
    Abstract: A stretchable interconnect structure for electrically connecting electronic devices and a method of fabricating a stretchable interconnect structure for electrically connecting electronic devices. The method comprises the steps of providing an electrically conductive wire having a 3-dimensional helical form; and embedding the electrically conductive wire in a substrate made from an elastic material.
    Type: Application
    Filed: January 16, 2020
    Publication date: April 14, 2022
    Applicant: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Chee Keong TEE, Yue ZHAO, Yu Jun TAN