Patents by Inventor Wen-Chih Liu
Wen-Chih Liu 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: 20240136444Abstract: A flash memory device and method of making the same are disclosed. The flash memory device is located on a substrate and includes a floating gate electrode, a tunnel dielectric layer located between the substrate and the floating gate electrode, a smaller length control gate electrode and a control gate dielectric layer located between the floating gate electrode and the smaller length control gate electrode. The length of a major axis of the smaller length control gate electrode is less than a length of a major axis of the floating gate electrode.Type: ApplicationFiled: December 22, 2023Publication date: April 25, 2024Inventors: Yu-Chu Lin, Chi-Chung Jen, Wen-Chih Chiang, Yi-Ling Liu, Huai-Jen Tung, Keng-Ying Liao
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Patent number: 11935981Abstract: A photo-detecting device includes a first semiconductor layer with a first dopant, a light-absorbing layer, a second semiconductor layer, and a semiconductor contact layer. The second semiconductor layer is located on the first semiconductor layer and has a first region and a second region, the light absorbing layer is located between the first semiconductor layer and the second semiconductor layer and has a third region and a fourth region, the semiconductor contact layer contacts the first region. The first region includes a second dopant and a third dopant, the second region includes second dopant, and the third region includes third dopant. The semiconductor contact layer has a first thickness greater than 50 ? and smaller than 1000 ?.Type: GrantFiled: June 30, 2021Date of Patent: March 19, 2024Assignee: EPISTAR CORPORATIONInventors: Chu-Jih Su, Chia-Hsiang Chou, Wei-Chih Peng, Wen-Luh Liao, Chao-Shun Huang, Hsuan-Le Lin, Shih-Chang Lee, Mei Chun Liu, Chen Ou
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Publication number: 20240090230Abstract: A memory array and an operation method of the memory array are provided. The memory array includes first and second ferroelectric memory devices formed along a gate electrode, a channel layer and a ferroelectric layer between the gate electrode and the channel layer. The ferroelectric memory devices include: a common source/drain electrode and two respective source/drain electrodes, separately in contact with a side of the channel layer opposite to the ferroelectric layer, wherein the common source/drain electrode is disposed between the respective source/drain electrodes; and first and second auxiliary gates, capacitively coupled to the channel layer, wherein the first auxiliary gate is located between the common source/drain electrode and one of the respective source/drain electrodes, and the second auxiliary gate is located between the common source/drain electrode and the other respective source/drain electrode.Type: ApplicationFiled: January 9, 2023Publication date: March 14, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wen-Ling Lu, Chen-Jun Wu, Ya-Yun Cheng, Sheng-Chih Lai, Yi-Ching Liu, Yu-Ming Lin, Feng-Cheng Yang, Chung-Te Lin
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Publication number: 20130229425Abstract: An image processing apparatus includes a memory, a processing unit and an overdriving unit. The memory stores a data-truncated previous frame. The processing unit performs edge detection on the previous frame, and performs an image smoothing process according to an edge detection result to generate a processed previous frame. The overdriving unit performs an overdriving process according to the processed previous frame and a current frame to generate an output frame.Type: ApplicationFiled: January 14, 2013Publication date: September 5, 2013Applicant: MSTAR SEMICONDUCTOR, INC.Inventors: Ren-Kuan Liang, Wen-Chih Liu
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Patent number: 8282856Abstract: A method for sintering lithium contained electrode material includes: depositing a mixture of a particle like lithium compound and a substance M in a metal container, where M is a chemical element selected from a group consisting of iron (Fe), phosphor (P), cobalt (Co), nickel (Ni), manganese (Mn), vanadium (V), and carbon (C), or an oxide or compound thereof; subjecting the mixture deposited in the metal container to heat treatment by heating the metal container in two phases of which temperature ranges for heating are respectively 300-700° C. and 500-900° C.; and grinding the heat-treated mixture to obtain a powder like lithium contained electrode material. According to the method of the present invention, in the process of sintering and synthesis, it is not necessary to supply an external (or a great amount of) protective gas, so that substantial reduction of processing cost and time is realized.Type: GrantFiled: May 28, 2010Date of Patent: October 9, 2012Assignee: Harmony Brother Co., Ltd.Inventors: Wen-Chih Liu, Shinn-Dar Wu, Che-Chen Lin
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Publication number: 20110291041Abstract: A method for sintering lithium contained electrode material includes: depositing a mixture of a particle like lithium compound and a substance M in a metal container, where M is a chemical element selected from a group consisting of iron (Fe), phosphor (P), cobalt (Co), nickel (Ni), manganese (Mn), vanadium (V), and carbon (C), or an oxide or compound thereof; subjecting the mixture deposited in the metal container to heat treatment by heating the metal container in two phases of which temperature ranges for heating are respectively 300-700° C. and 500-900° C.; and grinding the mixture so heat-treated to obtain a powder like lithium contained electrode material. According to the method of the present invention, in the process of sintering and synthesis, it is not necessary to supply an external (or a great amount of) protective gas, so that substantial reduction of processing cost and time is realized.Type: ApplicationFiled: May 28, 2010Publication date: December 1, 2011Inventors: Wen-Chih Liu, Shinn-Dar Wu, Che-Chen Lin
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Publication number: 20070029216Abstract: A disk keeper mounted inside a disk case for locking a disk is disclosed to include a platform with an opening, and a keeper, which has a hollow upright shaft suspending in the opening at the, two side wings respectively extending from the bottom edge of the hollow upright shaft at two opposite lateral sides and respectively connected with a respective bottom part thereof to the platform, and two arched retaining strips respectively upwardly extending from the side wings for insertion into the circular center hole of a disk to hold down the disk on the platform.Type: ApplicationFiled: August 5, 2005Publication date: February 8, 2007Inventor: Wen-Chih Liu
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Patent number: 6787248Abstract: This invention relates to a structure on a bi-color rust-proof barrier layer of a tool head, mainly used to form a surrounding recessed section marked with indication of a size, a model, a trademark and the like on a surface of a tool head (a metallic object) so that the structure on the rust-proof barrier layer painted with the different two colors is provided between the recessed section and the peripheral surface, thereby highlighting the indication marked at the recessed section so as to increase the distinctions of said object from other object.Type: GrantFiled: November 5, 2003Date of Patent: September 7, 2004Inventor: Wen-chih Liu
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Patent number: 5320955Abstract: 10'-Desmethoxystreptonigrin, obtainable by cultivation of a strain of Streptomyces albus, A.T.C.C. No. 55161, and salts, esters and amides thereof. The novel compounds have antitumor and antibiotic activity.Type: GrantFiled: July 30, 1992Date of Patent: June 14, 1994Assignee: E. R. Squibb & Sons, Inc.Inventors: Edward Meyers, Terrence W. Doyle, Veeraswamy Manne, Wen-Chih Liu
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Patent number: 5165931Abstract: Two related, novel antibiotic substances, peptifluorin and neopeptifluorin, are prepared by cultivation of strains of Pseudomonas fluorescens, A. T. C. C. No. 53,958 and A. T. C. C. No. 55,129, respectively.Type: GrantFiled: March 28, 1991Date of Patent: November 24, 1992Assignee: E. R. Squibb & Sons, Inc.Inventors: Edward Meyers, Wen-Chih Liu, Gordon W. Robinson
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Patent number: 5158960Abstract: 10'-Desmethoxystreptonigrin, obtainable by cultivation of a strain of Streptomyces albus, A.T.C.C. No. 55161, and salts, esters and amides thereof. The novel compounds have antitumor and antibiotic activity.Type: GrantFiled: May 24, 1991Date of Patent: October 27, 1992Assignee: E. R. Squibb & Sons, Inc.Inventors: Edward Meyers, Terrence W. Doyle, Veeraswamy Manne, Wen-Chih Liu
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Patent number: 4745202Abstract: Aerocavin, a novel antibiotic substance having the structure ##STR1## and aerocyanidin, a novel antibiotic substance having the structure ##STR2## can be prepared by cultivation of the microorganism Aerocavin caviae SC 14,030 A.T.C.C. No. 53434.Type: GrantFiled: February 20, 1987Date of Patent: May 17, 1988Assignee: E. R. Squibb & Sons, Inc.Inventors: Wen-Chih Liu, William L. Parker, Pushpa Singh, Richard B. Sykes
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Patent number: 4686299Abstract: Aerocavin, a novel antibiotic substance having the structure ##STR1## and aerocyanidin, a novel antibiotic substance having the structure ##STR2## can be prepared by cultivation of the microorganism Aerocavin caviae SC 14,030 A.T.C.C. No. 53434.Type: GrantFiled: July 14, 1986Date of Patent: August 11, 1987Assignee: E. R. Squibb & Sons, Inc.Inventors: Wen-Chih Liu, William L. Parker, Pushpa Singh, Richard B. Sykes
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Patent number: 4601904Abstract: Cultivation of a strain of the microorganism Pseudomonas cepacia which has been deposited in the American Type Culture Collection as A.T.C.C. No. 39277, yields novel antibiotic substances xylocandin A and xylocandin B having activity against yeasts and fungi.Type: GrantFiled: June 25, 1984Date of Patent: July 22, 1986Assignee: E. R. Squibb & Sons, Inc.Inventors: Edward Meyers, Wen-Chih Liu, Richard B. Sykes
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Patent number: 4568675Abstract: 3,6-Dihydroxyphenazine-1-carboxylic acid, a hypotensive agent, and its production by culturing aerobically Streptomyces species A.T.C.C. No. 39460 are disclosed herein.Type: GrantFiled: December 19, 1983Date of Patent: February 4, 1986Assignee: E. R. Squibb & Sons, Inc.Inventors: Karen Bush, Dorothy S. Slusarchyk, Wen-Chih Liu
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Patent number: 4339535Abstract: Cultivation of a strain of the microorganism Nocardia sp. 11,340, which has been deposited in the American Type Culture Collection as A.T.C.C. No. 31531, yields a novel antibiotic substance EM 4940, having activity against a range of gram-positive and gram-negative bacteria, yeasts, fungi, acholeplasma, and the protozoan Trichomonas vaginalis.Type: GrantFiled: June 30, 1980Date of Patent: July 13, 1982Assignee: E. R. Squibb & Sons, Inc.Inventors: Richard B. Sykes, Jerry S. Wells, Wen-Chih Liu
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Patent number: 4249008Abstract: Cultivation of a strain of the microorganism Nocardia sp. 11,340, which has been deposited in the American Type Culture Collection as A.T.C.C. No. 31531, yields a novel antibiotic substance EM 4940, having activity against a range of gram-positive and gram-negative bacteria, yeasts, fungi, acholeplasma, and the protozoan Trichomanas vaginalis.Type: GrantFiled: August 27, 1979Date of Patent: February 3, 1981Assignee: E. R. Squibb & Sons, Inc.Inventors: Richard B. Sykes, Jerry S. Wells, Wen-Chih Liu
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Patent number: 4213966Abstract: A method is provided for recovering a polyether antibiotic, such as lonomycin, monensin or ionomycin from a fermentation broth, wherein the polyether is first extracted with a water-immiscible solvent, such as ethyl acetate, and the resulting extracts concentrated, dissolved in aqueous methanol and then extracted into hexane, benzene or mixtures thereof. The polyether is thereby recovered in crystalline form directly from the latter extract.Type: GrantFiled: June 2, 1977Date of Patent: July 22, 1980Assignee: E. R. Squibb & Sons, Inc.Inventors: Wen-Chih Liu, William E. Brown, Gail L. Astle