Patents by Inventor Wen-Sheng Lee
Wen-Sheng Lee 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).
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Publication number: 20230020275Abstract: The present invention provides a proximity sensing device with linear electrical offset calibration, which can record electrical offsets caused by different dark currents under different settings of the pulse count or the pulse time, and the proximity sensing device uses these electrical offsets to obtain the linear electrical offset ratio. Then calculate and infer the electrical offset generated in actual use through the linear electrical offset ratio to calibrate sensing signal.Type: ApplicationFiled: September 23, 2021Publication date: January 19, 2023Inventors: WEN-SHENG LIN, SHENG-CHENG LEE, CHIH-WEI LIN, CHEN-HUA HSI, YUEH-HUNG HOU
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Publication number: 20220395815Abstract: A method for preparing a heterogeneous catalyst. The method comprises steps of: (a) combining (i) a support, (ii) an aqueous solution of a noble metal compound and (iii) a C2-C18 thiol comprising at least one hydroxyl or carboxylic acid substituent; to form a wet particle and (b) removing water from the wet particle by drying followed by calcination to produce the catalyst.Type: ApplicationFiled: August 17, 2022Publication date: December 15, 2022Inventors: Victor J. Sussman, Wen-Sheng Lee, Jeffrey A. Herron, D. Wayne Blaylock, Daniel J. Arriola, Andrew T. Heitsch, Alexey Kirilin, Heidi Clements, Abrin L. Schmucker, Daniel A. Hickman
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Publication number: 20220386877Abstract: The present invention proposes a packaging structure that integrates distance sensing device and temperature sensing device, and it is applied to small wearable devices such as earphones or watches. The combination of distance and temperature sensing allows the wearable device to accurately determine whether it is on the user's body, and then start temperature monitoring. It can collect ear temperature information more effectively and energy-saving.Type: ApplicationFiled: September 20, 2021Publication date: December 8, 2022Inventors: WEN-SHENG LIN, SHENG-CHENG LEE, CHIH-WEI LIN, CHEN-HUA HSI, YUEH-HUNG HOU
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Patent number: 11498057Abstract: A heterogeneous catalyst comprising a support and gold, wherein: (i) said support comprises titanium, (ii) said catalyst comprises from 0.1 to 5 wt % of gold, (iii) at least 90 wt % of the gold is in the outer 60% of catalyst volume, and (iv) particles of the catalyst have an average diameter from 200 microns to 30 mm; wherein weight percentages are based on weight of the catalyst.Type: GrantFiled: June 20, 2019Date of Patent: November 15, 2022Assignees: Rohm and Haas Company, Dow Global Technologies LLCInventors: Kirk W. Limbach, Christopher D. Frick, Dmitry A. Krapchetov, Wen-Sheng Lee, Victor J. Sussman, Jeffrey A. Herron
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Publication number: 20220355281Abstract: Embodiments of the present disclosure are directed towards methods of etherification including modifying a zeolite catalyst with phosphorus to provide a phosphorus modified zeolite catalyst; and contacting the phosphorus modified zeolite catalyst with an olefin and an alcohol to produce a monoalkyl ether.Type: ApplicationFiled: September 23, 2020Publication date: November 10, 2022Applicant: Dow Global Technologies LLCInventors: Wen-Sheng Lee, Dean Millar, Stephen W. King
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Patent number: 11467268Abstract: Disclosures of the present invention describe an optical proximity sensor, which is particularly designed to have functionality of canceling an ambient light noise and/or an optical crosstalk noise by using light-to-frequency conversion technique, and comprises: a controlling and processing circuit, a lighting unit, a light receiving unit, an analog adder, a first DAC unit, a second DAC unit, and a light-to-digital conversion (LDC) unit. In the controlling of the controlling and processing circuit, the first DAC unit and the second DAC unit would respectively generate a first compensation current signal and a second compensation current signal to the analog adder, such that a noise signal of ambient light and a noise signal of optical crosstalk existing in an optical current signal of object reflection light would be canceled by the two compensation current signals in the analog adder.Type: GrantFiled: June 23, 2019Date of Patent: October 11, 2022Assignees: Dyna Image Corporation, Lite-On Semiconductor CorporationInventors: Wen-Sheng Lin, Sheng-Cheng Lee, Yu-Cheng Su, Peng-Han Chan, Chun-Hsien Lin
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Publication number: 20220298093Abstract: Embodiments of the present disclosure are directed towards methods of etherification including reducing templates of a zeolite catalyst to provide a reduced template zeolite catalyst having from 3 to 15 weight percent weight percent of templates maintained following calcination of zeolite catalyst; and contacting the reduced template zeolite catalyst with an olefin and an alcohol to produce a monoalkyl ether.Type: ApplicationFiled: September 23, 2020Publication date: September 22, 2022Applicant: Dow Global Technologies LLCInventors: Wen-Sheng Lee, Beata A. Kilos, Sung-Yu Ku, Stephen W. King
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Publication number: 20220281792Abstract: Embodiments of the present disclosure are directed towards methods of etherification including modifying a zeolite catalyst with silica to provide a silica modified zeolite catalyst; and contacting the silica modified zeolite catalyst with an olefin and an alcohol to produce a monoalkyl ether.Type: ApplicationFiled: September 23, 2020Publication date: September 8, 2022Applicant: Dow Global Technologies LLCInventors: Wen-Sheng Lee, Sung-Yu Ku, Stephen W. King
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Publication number: 20220274903Abstract: A method including the step contacting an olefin, an alcohol, a metallosilicate catalyst and a solvent, wherein the solvent comprises structure (I): wherein R1 and R2 are each selected from the group consisting of an aryl group and an alkyl group with the proviso that at least one of R1 and R2 is an aryl group, further wherein n is 1-3.Type: ApplicationFiled: September 29, 2020Publication date: September 1, 2022Inventors: Wen-Sheng Lee, Mingzhe Yu, Jing L. Houser, Sung-Yu Ku, Wanglin Yu, Stephen W. King, Paulami Majumdar, Le Wang
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Publication number: 20220266238Abstract: According to a least one feature of the present disclosure, a method includes the steps: (a) providing a metallosilicate catalyst that has been used to catalyze a chemical reaction; and (b) heating the metallosilicate catalyst to a temperature from 200° C. to 425° C. for a period of 0.5 hours to 5 hours.Type: ApplicationFiled: September 29, 2020Publication date: August 25, 2022Inventors: Wen -Sheng Lee, Mingzhe Yu, Thomas H. Peterson, Sung-Yu Ku, Wanglin Yu, Le Wang, Stephen W. King
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Publication number: 20220258142Abstract: A method includes the steps of (a) contacting a solvent having a Water Solubility of 1 g or greater per 100 g of water with a metallosilicate catalyst having an alumina to silica ratio from 5 to 1500; and (b) heating the metallosilicate catalyst to a temperature from 125 C to 300 C fora period of 0.5 hours to 5 hours.Type: ApplicationFiled: September 29, 2020Publication date: August 18, 2022Inventors: Wen-Sheng Lee, Le Wang, Thomas H. Peterson, Sung-Yu Ku, Wanglin Yu, Stephen W. King
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Publication number: 20220206080Abstract: The present disclosure relates to an electronic load apparatus. An embodiment of the present disclosure includes an electronic load apparatus including: a measurement resistor, a reference circuit, a transistor, and a feedback circuit. The measurement resistor includes a first contact, a second contact, a third contact, and a fourth contact. The first contact and the second contact are located at a first end of the measurement resistor. The third contact and the fourth contact are located at a second end of the measurement resistor. A reference power (or a reference voltage) electrically connects to the reference circuit. The reference circuit and the first contact of the measurement resistor are electrically connected. The transistor includes a drain, a gate, and a source. The reference circuit and the gate of the transistor are electrically connected. One of the source and the drain of the transistor electrically connects to the second contact of the measurement resistor.Type: ApplicationFiled: July 9, 2021Publication date: June 30, 2022Inventors: Wen-Chung CHEN, Ming-lng TSOU, Chien-Hsing HUANG, Chun-Sheng HUNG, Kuan-Hung LEE
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Publication number: 20220134124Abstract: A patch is provided. The patch comprises: a base layer; and an adhesive layer formed on a surface of the base layer, the adhesive layer has a wave pattern such that 95% or less of the area of the surface of the base layer is covered by the adhesive of the adhesive layer, wherein, the patch has an elongation of at least 120% in both machine direction and cross-machine direction.Type: ApplicationFiled: March 12, 2021Publication date: May 5, 2022Inventors: Tien-Show LIANG, En MENG, Shu-Han LIANG, Wen-Sheng LEE, Yi-Ting TSAI, Hsiang-Cheng CHEN, Juin-Hong CHERNG, Shu-Ting LIANG, Yi-Hsin LIN
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Patent number: 11291318Abstract: A quilt structure with non-powered energy layer having an insulating layer, a first barrier layer, a second barrier layer, a first fabric layer and a second fabric layer is provided. The first barrier layer and the second barrier layer are disposed on two opposite sides of the insulating layer. The first fabric layer is disposed on one of the first barrier layer or the second barrier layer opposite the insulating layer, and the second fabric layer is disposed on another of the first barrier layer or the second barrier layer opposite the insulating layer. At least one of the insulating layer, the first fabric layer and the second fabric layer has bio-energetic fibers or far-infrared fibers.Type: GrantFiled: October 30, 2019Date of Patent: April 5, 2022Assignee: GREEN ENERGY NANO TECHNOLOGY CO., LTD.Inventors: Tien-Show Liang, Shu Han Liang, Shu Ting Liang, Sheng-Tang Wu, En Meng, Juin-Hong Cherng, Wen Sheng Lee, Shu-Jen Chang, Chia-Yu Wang
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Patent number: 11207664Abstract: A heterogeneous catalyst comprising a support and a noble metal. The catalyst has an average diameter of at least 200 microns and at least 90 wt % of the noble metal is in the outer 50% of catalyst volume.Type: GrantFiled: June 25, 2018Date of Patent: December 28, 2021Assignees: Dow Global Technologies, LLC., Rohm and Haas CompanyInventors: Victor Sussman, Wen Sheng Lee, Kirk W. Limbach, Christopher D. Frick
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Patent number: 11111204Abstract: A method for preparing methyl methacrylate from methacrolein and methanol; said method comprising contacting a mixture comprising methacrolein, methanol and oxygen with a heterogeneous catalyst comprising a support and a noble metal, wherein said support comprises silicon, and wherein said catalyst comprises from 0.1 to 40 mol % titanium and from 0.1 to 10 mol % of at least one noble metal.Type: GrantFiled: December 13, 2018Date of Patent: September 7, 2021Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Christopher D. Frick, Jeffrey A. Herron, Kirk W. Limbach, Wen Sheng Lee, Victor J. Sussman
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Publication number: 20210121856Abstract: A heterogeneous catalyst comprising a support and gold, wherein: (i) said support comprises alumina, (ii) said catalyst comprises from 0.1 to 5 wt % of gold, (iii) at least 90 wt % of the gold is in the outer 60% of catalyst volume, and (iv) particles of the catalyst have an average diameter from 200 microns to 30 mm; wherein weight percentages are based on weight of the catalyst.Type: ApplicationFiled: June 20, 2019Publication date: April 29, 2021Inventors: Kirk W. Limbach, Christopher D. Frick, Dmitry A. Krapchetov, Wen -Sheng Lee, Victor J. Sussman, Jeffrey A. Herron
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Publication number: 20210113997Abstract: A heterogeneous catalyst comprising a support and gold, wherein: (i) said support comprises titanium, (ii) said catalyst comprises from 0.1 to 5 wt % of gold, (iii) at least 90 wt % of the gold is in the outer 60% of catalyst volume, and (iv) particles of the catalyst have an average diameter from 200 microns to 30 mm; wherein weight percentages are based on weight of the catalyst.Type: ApplicationFiled: June 20, 2019Publication date: April 22, 2021Inventors: Kirk W. Limbach, Christopher D. Frick, Dmitry A. Krapchetov, Wen -Sheng Lee, Victor J. Sussman, Jeffrey A. Herron
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Patent number: 10865179Abstract: A method for preparing methyl methacrylate from methacrolein and methanol. The method comprises contacting a mixture comprising methacrolein, methanol and oxygen with a heterogeneous catalyst comprising a support and a noble metal, wherein oxygen concentration at a reactor outlet is from 1 to 7.5 mol % and wherein pH at a reactor outlet is no greater than 7.5.Type: GrantFiled: September 12, 2018Date of Patent: December 15, 2020Assignees: Dow Global Technologies, LLC, Rohm and Haas CompanyInventors: Jeffrey Herron, Daniel J. Arriola, D. Wayne Blaylock, Wen-Sheng Lee, Victor Sussman, Daniel A. Hickman, Kirk W. Limbach
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Patent number: 10829432Abstract: A method for preparing methyl methacrylate from methacrolein and methanol. The method comprises contacting a mixture comprising methacrolein, methanol and oxygen with a heterogeneous catalyst comprising a support and a noble metal, wherein said catalyst has an average diameter of at least 200 microns and at least 90 wt % of the noble metal is in the outer 70% of catalyst volume, and wherein oxygen concentration at a reactor outlet is from 0.5 to 7.5 mol %.Type: GrantFiled: June 25, 2018Date of Patent: November 10, 2020Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Kirk W. Limbach, Dmitry A. Krapchetov, Christopher D. Frick, Daniel A. Hickman, Jeffrey Herron, Kurt D. Olson, D. Wayne Blaylock, Victor Sussman, Wen-Sheng Lee