Patents by Inventor Po-Han Chen
Po-Han 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).
-
Patent number: 12235197Abstract: An automatic processing device for liquid samples includes a sample region, a control module, an image identification device and a centrifuge. The sample region is configured to accommodate a plurality of centrifuge tubes. The control module includes a mechanical module. The mechanical module is configured to unscrew or tighten upper caps of the centrifuge tubes, and is configured to draw liquid from the centrifuge tubes or discharge liquid to the centrifuge tubes. The image identification device is coupled to the control module. The centrifuge is coupled to the control module. The centrifuge is configured to accommodate the centrifuge tubes and perform centrifugal treatment.Type: GrantFiled: April 21, 2021Date of Patent: February 25, 2025Assignees: CANCER FREE BIOTECH LTD., SONGYI SYSTEM CO., LTD.Inventors: Po-Han Chen, Shih-Pei Wu, Yi-Hsuan Chen, Chung-I Chen, Chun-Chieh Chiang, Chi-Ming Lee
-
Publication number: 20250051901Abstract: A method for the surface treatment of a corrosion-resistant nickel-based alloy and the resulting surface structure of the treated alloy is disclosed. The method includes immersing a nickel-based alloy in a first neutral or alkaline solution to remove surface contaminants, followed by immersing the cleaned alloy in a second neutral or alkaline solution to form functional groups on its surface. Subsequently, a low-temperature heat treatment is performed to form a passivation layer on the surface of the nickel-based alloy. The passivation layer has a surface roughness of less than 0.04 microns and a thickness ranging from 5 nanometers to 200 nanometers. The resulting corrosion-resistant nickel-based alloy comprises a substrate made of the nickel-based alloy and a passivation layer established on at least one surface of the substrate. The nickel content of the alloy is greater than 50%, and the alloy may also contain additional metallic components such as chromium (Cr) and manganese (Mn).Type: ApplicationFiled: April 3, 2024Publication date: February 13, 2025Inventors: Tsung Feng Wu, Chun-Chih Liao, Po-Chia Huang, Guo-Yang Ciou, Chia-Te Lin, Po-Han Chen
-
Publication number: 20250048764Abstract: An image sensor includes a substrate. The image sensor includes a first photodiode (PD) having a first size in the substrate. The image sensor further includes a second PD having a second size in the substrate, wherein the first size is different from the second size. The image sensor further includes a first layer, wherein the first layer comprises a metal material or a dielectric material, and the first layer defines sidewalls of a first recess aligned with the first PD. The image sensor further includes a second layer in the first recess, wherein a portion of the first layer aligned with the second PD is free of the second layer, and the second layer overhangs the first layer.Type: ApplicationFiled: October 22, 2024Publication date: February 6, 2025Inventors: Po-Han CHEN, Chen-Chu CHEN, Fu-Cheng CHANG, Kuo-Cheng LEE
-
Publication number: 20240399124Abstract: An expandable vaginal dilator includes a stretchable sheath defining at least one fluid chamber therein and being shaped and sized according to vaginal measurements and physical examination. A support within the sheath seals and holds the sheath and provides one or more fluid channels configured for delivery of fluid into the at least one fluid chamber to expand the sheath. The support is configured to permit vaginal insertion of the sheath when the sheath is in an unexpanded state and to stabilize the sheath during expansion of the sheath. One or both of the sheath and support can be sized and shaped according to the physical exam of a patient. One or both of the sheath and support can be configured to provide differential expansion according to the physical patient information and a treatment plan.Type: ApplicationFiled: October 19, 2022Publication date: December 5, 2024Inventors: Rafaela SIMOES-TORIGOE, Jyoti MAYADEV, Milan MAKALE, Karcher MORRIS, Matthew KOHANFARS, Po-Han CHEN, Shengfan HU, Yu LI, Casey WILLIAMSON, Frank TALKE
-
Publication number: 20240379704Abstract: Photosensors may be formed on a front side of a semiconductor substrate. An optical refraction layer having a first refractive index may be formed on a backside of the semiconductor substrate. A grid structure including openings is formed over the optical refraction layer. A masking material layer is formed over the grid structure and the optical refraction layer. The masking material layer may be anisotropically etched using an anisotropic etch process that collaterally etches a material of the optical refraction layer and forms non-planar distal surface portions including random protrusions on physically exposed portions of the optical refraction layer. An optically transparent layer having a second refractive index that is different from the first refractive index may be formed on the non-planar distal surface portions of the optical refraction layer. A refractive interface refracts incident light in random directions, and improves quantum efficiency of the photosensors.Type: ApplicationFiled: July 22, 2024Publication date: November 14, 2024Inventors: Po-Han CHEN, Kuo-Cheng LEE, Fu-Cheng CHANG
-
Patent number: 12125864Abstract: A method of making an image sensor includes depositing a shield layer over a substrate, wherein the substrate comprises a first photodiode (PD) and a second PD. The method further includes etching the shield layer to define a first recess aligned with the first PD and a second recess aligned with the second PD. The method further includes depositing a flicker reduction layer in the first recess and in the second recess. The method further includes etching the flicker reduction layer to remove the flicker reduction layer from the first recess.Type: GrantFiled: May 17, 2023Date of Patent: October 22, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Po-Han Chen, Chen-Chun Chen, Fu-Cheng Chang, Kuo-Cheng Lee
-
Patent number: 12124303Abstract: An electronic apparatus includes a chassis, a keyboard device, a frame including partition walls, and a fan device. At least part of the partition walls has a bottom edge surface notched to form an air flow path between the notched bottom edge surface and a top surface of the plate-shaped member, to have a communicating path through which adjacent key arrangement holes communicate. A height of the communicating path in a region not overlapping with the fan device is lower than a height of the communicating path in a region overlapping with the fan device, in a plan view of the chassis.Type: GrantFiled: September 21, 2022Date of Patent: October 22, 2024Assignee: LENOVO (SINGAPORE) PTE. LTD.Inventors: Masahiro Kitamura, Junki Hashiba, Po Han Chen, Satoshi Douzono
-
Patent number: 12107104Abstract: Photosensors may be formed on a front side of a semiconductor substrate. An optical refraction layer having a first refractive index may be formed on a backside of the semiconductor substrate. A grid structure including openings is formed over the optical refraction layer. A masking material layer is formed over the grid structure and the optical refraction layer. The masking material layer may be anisotropically etched using an anisotropic etch process that collaterally etches a material of the optical refraction layer and forms non-planar distal surface portions including random protrusions on physically exposed portions of the optical refraction layer. An optically transparent layer having a second refractive index that is different from the first refractive index may be formed on the non-planar distal surface portions of the optical refraction layer. A refractive interface refracts incident light in random directions, and improves quantum efficiency of the photo sensors.Type: GrantFiled: July 18, 2022Date of Patent: October 1, 2024Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Po-Han Chen, Kuo-Cheng Lee, Fu-Cheng Chang
-
Publication number: 20240049418Abstract: A chassis includes a housing, a first bearing seat, a second bearing seat, and a connecting partition plate. The housing has an accommodating space. The first bearing seat is movably disposed in the accommodating space. The second bearing seat is movably disposed in the accommodating space and is adjacent to the first bearing seat. The connecting partition plate is disposed between the first bearing seat and the second bearing seat to fixedly connect the first bearing seat and the second bearing seat. The first bearing seat and the second bearing seat are adapted to synchronously move relative to the housing to be accommodated in the accommodating space or extend outside the accommodating space.Type: ApplicationFiled: May 26, 2023Publication date: February 8, 2024Applicant: PEGATRON CORPORATIONInventor: Po-Han Chen
-
Publication number: 20240005159Abstract: A simplification device and a simplification method for neural network model are provided. The simplification method may simplify an original trained neural network model to a simplified trained neural network model, wherein the simplified trained neural network model includes at most two linear operation layers. The simplification method includes: converting the original trained neural network model into an original mathematical function; performing an iterative analysis operation on the original mathematical function to simplify the original mathematical function to a simplified mathematical function, wherein the simplified mathematical function has a new weight; computing the new weight by using multiple original weights of the original trained neural network model; and converting the simplified mathematical function to the simplified trained neural network model.Type: ApplicationFiled: August 22, 2022Publication date: January 4, 2024Applicant: NEUCHIPS CORPORATIONInventors: Po-Han Chen, Yi Lee, Kai-Chiang Wu, Youn-Long Lin, Juinn-Dar Huang
-
Publication number: 20230299104Abstract: A method of making an image sensor includes depositing a shield layer over a substrate, wherein the substrate comprises a first photodiode (PD) and a second PD. The method further includes etching the shield layer to define a first recess aligned with the first PD and a second recess aligned with the second PD. The method further includes depositing a flicker reduction layer in the first recess and in the second recess. The method further includes etching the flicker reduction layer to remove the flicker reduction layer from the first recess.Type: ApplicationFiled: May 17, 2023Publication date: September 21, 2023Inventors: Po-Han CHEN, Chen-Chun CHEN, Fu-Cheng CHANG, Kuo-Cheng LEE
-
Patent number: 11757432Abstract: A device of correcting duty cycle includes: a duty cycle correcting circuit, a controller of the duty cycle correcting circuit and a duty cycle detecting circuit. The duty cycle correcting circuit generates a pair of phase-shifting clocks in accordance with a pair of complementary clocks and regenerates a regenerated clock in accordance with the pair of phase-shifting clocks. The controller of the duty cycle correcting circuit couples to the duty cycle correcting circuit. The duty cycle detecting circuit couples to the duty cycle correcting circuit and the controller of the duty cycle correcting circuit, and generates a detecting output to the controller of the duty cycle correcting circuit in accordance with a current duty cycle of the regenerated clock. The controller of the duty cycle correcting circuit controls the duty cycle correcting circuit in accordance with the detecting output to adjust the pair of phase-shifting clocks.Type: GrantFiled: March 17, 2022Date of Patent: September 12, 2023Assignee: AP Memory Technology (Hangzhou) Limited CoInventors: Xuan Zhang, Po Han Chen, Keng Lone Wong, Alessandro Minzoni
-
Publication number: 20230207594Abstract: Photosensors may be formed on a front side of a semiconductor substrate. An optical refraction layer having a first refractive index may be formed on a backside of the semiconductor substrate. A grid structure including openings is formed over the optical refraction layer. A masking material layer is formed over the grid structure and the optical refraction layer. The masking material layer may be anisotropically etched using an anisotropic etch process that collaterally etches a material of the optical refraction layer and forms non-planar distal surface portions including random protrusions on physically exposed portions of the optical refraction layer. An optically transparent layer having a second refractive index that is different from the first refractive index may be formed on the non-planar distal surface portions of the optical refraction layer. A refractive interface refracts incident light in random directions, and improves quantum efficiency of the photosensors.Type: ApplicationFiled: February 13, 2023Publication date: June 29, 2023Inventors: Po-Han CHEN, Kuo-Cheng LEE, Fu-Cheng CHANG
-
Patent number: 11676980Abstract: An image sensor includes a substrate and a first photodiode (PD) having a first size in the substrate. The image sensor further includes a second PD having a second size in the substrate, wherein the first size is different from the second size. The image sensor further includes a first buffer layer over the substrate. The image sensor further includes a shield layer over the first buffer, wherein the first buffer layer and the shield layer define a first recess aligned with the first PD and a second recess aligned with the second PD. The image sensor further includes a flicker reduction layer in the first recess, wherein the second recess is free of the flicker reduction layer.Type: GrantFiled: October 7, 2019Date of Patent: June 13, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Po-Han Chen, Chen-Chun Chen, Fu-Cheng Chang, Kuo-Cheng Lee
-
Publication number: 20230152867Abstract: An electronic apparatus includes a chassis, a keyboard device, a frame including partition walls, and a fan device. At least part of the partition walls has a bottom edge surface notched to form an air flow path between the notched bottom edge surface and a top surface of the plate-shaped member, to have a communicating path through which adjacent key arrangement holes communicate. A height of the communicating path in a region not overlapping with the fan device is lower than a height of the communicating path in a region overlapping with the fan device, in a plan view of the chassis.Type: ApplicationFiled: September 21, 2022Publication date: May 18, 2023Applicant: LENOVO (SINGAPORE) PTE. LTD.Inventors: Masahiro Kitamura, Junki Hashiba, Po Han Chen, Satoshi Douzono
-
Publication number: 20230074209Abstract: A method for providing drug recommendation includes: calculating a plurality of relative cell viabilities respectively corresponding to a plurality of candidate drugs based on viable cell counts of a patient's circulating tumor cell (CTC)-derived organoid cultures and viable cell counts of the CTC-derived organoid cultures respectively reacted with the candidate drugs; and providing drug recommendation of the candidate drugs based on the relative cell viabilities. A device for providing drug recommendation is also provided.Type: ApplicationFiled: October 15, 2021Publication date: March 9, 2023Inventors: Po-Han CHEN, Shih-Pei Wu, Yi-Hsuan Chen
-
Publication number: 20230046467Abstract: An intelligent energy module of an electrically assisted bicycle includes a battery management system, a controller and a motor. The battery management system includes a battery and an analog front end. The analog front end is electrically connected to the battery assembly. The controller includes a micro controller unit and a driver. The micro controller unit is electrically connected to the analog front end. The driver electrically connected to the micro controller unit. The motor is electrically connected to the driver and controlled by the driver. The battery assembly, the analog front end, the micro controller unit and the driver are disposed on a same circuit board.Type: ApplicationFiled: October 7, 2021Publication date: February 16, 2023Inventor: Po-Han CHEN
-
Patent number: 11581349Abstract: Photosensors may be formed on a front side of a semiconductor substrate. An optical refraction layer having a first refractive index may be formed on a backside of the semiconductor substrate. A grid structure including openings is formed over the optical refraction layer. A masking material layer is formed over the grid structure and the optical refraction layer. The masking material layer may be anisotropically etched using an anisotropic etch process that collaterally etches a material of the optical refraction layer and forms non-planar distal surface portions including random protrusions on physically exposed portions of the optical refraction layer. An optically transparent layer having a second refractive index that is different from the first refractive index may be formed on the non-planar distal surface portions of the optical refraction layer. A refractive interface refracts incident light in random directions, and improves quantum efficiency of the photosensors.Type: GrantFiled: December 16, 2019Date of Patent: February 14, 2023Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Po-Han Chen, Kuo-Cheng Lee, Fu-Cheng Chang
-
Publication number: 20220403328Abstract: A composite material film for expanding circulating tumor cells ex vivo and a preparation method thereof, a kit and a method for expanding circulating tumor cells ex vivo, a method for detecting an effect of a drug, and a cryopreservation solution are provided. The preparation method includes: mixing one or more kinds of particles and a solvent to form a mixed liquid, in which the particles are selected from the group consisting of metal particles, metal oxide particles, silicon oxide particles and combinations thereof; placing the mixed liquid on a substrate to form a particle layer; adding a medium material to the particle layer, in which the medium material is selected from the group consisting of styrene and its derivatives, polyester monomers, silicon oxide compounds and combinations thereof; and polymerizing the medium material to form a medium layer to fix the particle layer on the substrate.Type: ApplicationFiled: November 5, 2020Publication date: December 22, 2022Inventors: Po-Han Chen, Wei-Hsin Hsu, Shih-Pei Wu
-
Publication number: 20220352230Abstract: Photosensors may be formed on a front side of a semiconductor substrate. An optical refraction layer having a first refractive index may be formed on a backside of the semiconductor substrate. A grid structure including openings is formed over the optical refraction layer. A masking material layer is formed over the grid structure and the optical refraction layer. The masking material layer may be anisotropically etched using an anisotropic etch process that collaterally etches a material of the optical refraction layer and forms non-planar distal surface portions including random protrusions on physically exposed portions of the optical refraction layer. An optically transparent layer having a second refractive index that is different from the first refractive index may be formed on the non-planar distal surface portions of the optical refraction layer. A refractive interface refracts incident light in random directions, and improves quantum efficiency of the photo sensors.Type: ApplicationFiled: July 18, 2022Publication date: November 3, 2022Inventors: Po-Han CHEN, Kuo-Cheng Lee, Fu-Cheng Chang