Patents by Inventor Ya-Shan Cheng
Ya-Shan Cheng 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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Patent number: 11930663Abstract: A display panel includes a first substrate, pixel structures, a first common pad, a second substrate, a second common electrode, a display medium and a conductive particle. The pixel structures are disposed on an active area of the first substrate. The first common pad is disposed on a peripheral area of the first substrate, and is electrically connected to first common electrodes of the pixel structures. The second common electrode is disposed on the second substrate. The conductive particle is disposed on the first common pad, and is electrically connected to the first common pad and the second common electrode. The conductive particle includes a core and a conductive film disposed on a surface of the core, where the conductive film has a main portion and raised portions, and a film thickness of each of the raised portions is greater than a film thickness of the main portion.Type: GrantFiled: April 9, 2021Date of Patent: March 12, 2024Assignee: Au Optronics CorporationInventors: Bo-Chen Chen, Yun-Ru Cheng, Ya-Ling Hsu, Chia-Hsuan Pai, Cheng-Wei Huang, Wei-Shan Chao
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Patent number: 11499660Abstract: A hose connecting device has a connector, an inner locking ring, an outer connector and a tubal body. The connector has an insertion section and an engaging section, the engaging section has a size greater than the insertion section, and the engaging section further has a stopping ring at a top end. The inner locking ring is jacketed onto the engaging section of the connector and abutting the stopping ring of the connector. The inner locking ring has an outer threaded section and an abutting portion disposed at a bottom end of the inner locking ring. The outer connector has one of a female connector and a male connector, and a channel, the channel has a positioning step at a middle portion, an inner threaded section disposed below the positioning step of the channel. The tubal body is jacketed onto the insertion section of the connector.Type: GrantFiled: October 1, 2020Date of Patent: November 15, 2022Inventor: Ya-Shan Cheng
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Publication number: 20220107041Abstract: A hose connecting device has a connector, an inner locking ring, an outer connector and a tubal body. The connector has an insertion section and an engaging section, the engaging section has a size greater than the insertion section, and the engaging section further has a stopping ring at a top end. The inner locking ring is jacketed onto the engaging section of the connector and abutting the stopping ring of the connector. The inner locking ring has an outer threaded section and an abutting portion disposed at a bottom end of the inner locking ring. The outer connector has one of a female connector and a male connector, and a channel, the channel has a positioning step at a middle portion, an inner threaded section disposed below the positioning step of the channel. The tubal body is jacketed onto the insertion section of the connector.Type: ApplicationFiled: October 1, 2020Publication date: April 7, 2022Inventor: Ya-Shan Cheng
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Patent number: 10563185Abstract: A beta-glucosidase having improved enzymatic activity is disclosed. The amino acid sequence of the beta-glucosidase is a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is a substitution of tyrosine at position 286 with phenylalanine, or a substitution of asparagine at position 639 with glutamate.Type: GrantFiled: March 25, 2019Date of Patent: February 18, 2020Assignee: DONGGUAN APAC BIOTECHNOLOGY CO., LTD.Inventors: Hui-Lin Lai, Ya-Shan Cheng, Tzu-Hui Wu, Cheng-Yen Lin, Ting-Yung Huang, I-Hsuan Lin, Cheng-Bin Zheng
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Patent number: 10385346Abstract: A xylosidase having improved enzymatic activity is disclosed. The amino acid sequence of the xylosidase is a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is a substitution of phenylalanine at position 35 with glutamate, and/or a substitution of glutamine at position 41 with histidine.Type: GrantFiled: October 11, 2018Date of Patent: August 20, 2019Assignee: DONGGUAN APAC BIOTECHNOLOGY CO., LTD.Inventors: Ya-Shan Cheng, Tzu-Hui Wu, Cheng-Yen Lin, Hui-Lin Lai, Cheng-Bin Zheng, Ting-Yung Huang, I-Hsuan Lin, Jian-Wen Huang, Chun-Chi Chen, Rey-Ting Guo
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Publication number: 20190119687Abstract: A xylosidase having improved enzymatic activity is disclosed. The amino acid sequence of the xylosidase is a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is a substitution of phenylalanine at position 35 with glutamate, and/or a substitution of glutamine at position 41 with histidine.Type: ApplicationFiled: October 11, 2018Publication date: April 25, 2019Inventors: Ya-Shan Cheng, Tzu-Hui Wu, Cheng-Yen Lin, Hui-Lin Lai, Cheng-Bin Zheng, Ting-Yung Huang, I-Hsuan Lin, Jian-Wen Huang, Chun-Chi Chen, Rey-Ting Guo
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Patent number: 10233430Abstract: A glucose oxidase having improved thermostability is disclosed. The amino acid sequence of the glucose oxidase is a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is a substitution of glutamate at position 129 with proline, and/or a substitution of glutamine at position 243 with valine.Type: GrantFiled: September 13, 2018Date of Patent: March 19, 2019Assignee: DONGGUAN APAC BIOTECHNOLOGY CO.,LTD.Inventors: Ya-Shan Cheng, Tzu-Hui Wu, Cheng-Yen Lin, Hui-Lin Lai, Cheng-Bin Zheng, Ting-Yung Huang, I-Hsuan Lin, Jian-Wen Huang, Chun-Chi Chen, Rey-Ting Guo
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Patent number: 10011822Abstract: A phytase having improved thermostability is disclosed. The phytase has a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is one of mutations A to D. The mutation A is to substitute amino acids at positions 143 and 262 with cysteine, the mutation B is to substitute amino acids at positions 259 and 312 with cysteine, the mutation C is to substitute amino acids at positions 205 and 257 with cysteine, and the mutation D is to substitute amino acids at positions 264 and 309 with cysteine.Type: GrantFiled: February 17, 2017Date of Patent: July 3, 2018Assignee: DONGGUAN APAC BIOTECHNOLOGY CO., LTD.Inventors: Tzu-Hui Wu, Ya-Shan Cheng, Hui-Lin Lai, Cheng-Yen Lin, Tsung-Yu Ko, Jian-Wen Huang, Chun-Chi Chen, Rey-Ting Guo
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Patent number: 9944915Abstract: A cellulase having improved thermostability is disclosed. The cellulase comprises a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is adding a cysteine in N terminal and adding a glycine and a cysteine or adding a proline and a cysteine in C terminal.Type: GrantFiled: December 16, 2016Date of Patent: April 17, 2018Assignee: DONGGUAN APAC BIOTECHNOLOGY CO., LTD.Inventors: Rey-Ting Guo, Ya-Shan Cheng, Jian-Wen Huang, Tzu-Hui Wu, Hui-Lin Lai, Cheng-Yen Lin, Tsung-Yu Ko
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Patent number: 9809807Abstract: A cellulase having improved enzymatic activity is disclosed. The cellulase comprises a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is a substitution of Tyrosine at position 161 with Histidine.Type: GrantFiled: July 17, 2017Date of Patent: November 7, 2017Assignee: DONGGUAN APAC BIOTECHNOLOGY CO., LTD.Inventors: Rey-Ting Guo, Chun-Chi Chen, Ya-Shan Cheng, Jian-Wen Huang, Tzu-Hui Wu, Hui-Lin Lai, Cheng-Yen Lin, Tsung-Yu Ko
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Publication number: 20170240872Abstract: A phytase having improved thermostability is disclosed. The phytase has a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is one of mutations A to D. The mutation A is to substitute amino acids at positions 143 and 262 with cysteine, the mutation B is to substitute amino acids at positions 259 and 312 with cysteine, the mutation C is to substitute amino acids at positions 205 and 257 with cysteine, and the mutation D is to substitute amino acids at positions 264 and 309 with cysteine.Type: ApplicationFiled: February 17, 2017Publication date: August 24, 2017Inventors: Rey-Ting Guo, Chun-Chi Chen, Ya-Shan Cheng, Tzu-Hui Wu, Jian-Wen Huang, Hui-Lin Lai, Cheng-Yen Lin, Tsung-Yu Ko
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Publication number: 20170183641Abstract: A cellulase having improved thermostability is disclosed. The cellulase comprises a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is adding a cysteine in N terminal and adding a glycine and a cysteine or adding a proline and a cysteine in C terminal.Type: ApplicationFiled: December 16, 2016Publication date: June 29, 2017Inventors: Rey-Ting Guo, Ya-Shan Cheng, Jian-Wen Huang, Tzu-Hui Wu, Hui-Lin Lai, Cheng-Yen Lin, Tsung-Yu Ko
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Patent number: 9650625Abstract: A pectinase having improved thermostability is disclosed. The pectinase has a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is a substitution of serine at position 181 with phenylalanine, methionine or leucine.Type: GrantFiled: October 26, 2016Date of Patent: May 16, 2017Assignee: DONGGUAN APAC BIOTECHNOLOGY CO., LTD.Inventors: Rey-Ting Guo, Ya-Shan Cheng, Jian-Wen Huang, Tzu-Hui Wu, Hui-Lin Lai, Cheng-Yen Lin, Tsung-Yu Ko
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Publication number: 20170121699Abstract: A pectinase having improved thermostability is disclosed. The pectinase has a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is a substitution of serine at position 181 with phenylalanine, methionine or leucine.Type: ApplicationFiled: October 26, 2016Publication date: May 4, 2017Inventors: Rey-Ting Guo, Ya-Shan Cheng, Jian-Wen Huang, Tzu-Hui Wu, Hui-Lin Lai, Cheng-Yen Lin, Tsung-Yu Ko
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Patent number: 9194010Abstract: A phytase having improved enzymatic activity is disclosed. The phytase has a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is a substitution of Valine at position 90 with Threonine. Alternatively, the phytase has a modified amino acid sequence of SEQ ID NO: 6, wherein the modification is a substitution of Asparagine at position 204 with Alanine or a substitution of Serine at position 206 with Alanine.Type: GrantFiled: July 22, 2014Date of Patent: November 24, 2015Assignee: DONGGUAN APAC BIOTECHNOLOGY CO., LTD.Inventors: Rey-Ting Guo, Tzu-Hui Wu, Ya-Shan Cheng, Jian-Wen Huang, Hui-Lin Lai, Cheng-Yen Lin, Ting-Yung Huang
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Patent number: 8999695Abstract: A ?-mannanase having increased production yield and enzymatic activity is disclosed. The ?-mannanase has a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is a substitution of Tyrosine at position 25 with Histidine.Type: GrantFiled: August 18, 2014Date of Patent: April 7, 2015Assignee: DongGuan APAC Biotechnology Co., Ltd.Inventors: Rey-Ting Guo, Jian-Wen Huang, Ya-Shan Cheng, Tzu-Hui Wu, Hui-Lin Lai, Cheng-Yen Lin, Ting-Yung Huang
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Publication number: 20150031110Abstract: A phytase having improved enzymaic activity is disclosed. The phytase has a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is a substitution of Valine at position 90 with Threonine. Alternatively, the phytase has a modified amino acid sequence of SEQ ID NO: 6, wherein the modification is a substitution of Asparagine at position 204 with Alanine or a substitution of Serine at position 206 with Alanine.Type: ApplicationFiled: July 22, 2014Publication date: January 29, 2015Inventors: Rey-Ting Guo, Tzu-Hui Wu, Ya-Shan Cheng, Jian-Wen Huang, Hui-Lin Lai, Cheng-Yen Lin, Ting-Yung Huang
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Publication number: 20140315273Abstract: A ?-mannanase having increased enzymaic activity is disclosed. The ?-mannanase has a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is a substitution of Tyrosine at position 216 with Tryptophan.Type: ApplicationFiled: September 5, 2013Publication date: October 23, 2014Applicant: Dongguan APAC Biotechnology CO., Ltd.Inventors: Rey-Ting Guo, Jian-Wen Huang, Ya-Shan Cheng, Tzu-Hui Wu, Hui-Lin Lai, Cheng-Yen Lin, Ting-Yung Huang
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Patent number: 8865444Abstract: A ?-mannanase having increased enzymaic activity is disclosed. The ?-mannanase has a modified amino acid sequence of SEQ ID NO: 2, wherein the modification is a substitution of Tyrosine at position 216 with Tryptophan.Type: GrantFiled: September 5, 2013Date of Patent: October 21, 2014Assignee: Dongguan APAC Biotechnology Co., Ltd.Inventors: Rey-Ting Guo, Jian-Wen Huang, Ya-Shan Cheng, Tzu-Hui Wu, Hui-Lin Lai, Cheng-Yen Lin, Ting-Yung Huang
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Patent number: 8722382Abstract: A xylanase having increased enzymaic activity is disclosed. The xylanase has a modified amino acid sequence of SEQ ID NO: 2, wherein Tryptophan at position 125 is substituted with Phenylalanine and Phenylalanine at position 163 is substituted with Tryptophan.Type: GrantFiled: September 27, 2013Date of Patent: May 13, 2014Assignee: Dongguan APAC Biotechnology Co., Ltd.Inventors: Rey-Ting Guo, Ya-Shan Cheng, Jian-Wen Huang, Tzu-Hui Wu, Hui-Lin Lai, Cheng-Yen Lin, Ting-Yung Huang