Patents by Inventor Hiroki Noguchi
Hiroki Noguchi 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: 12690496Abstract: An embodiment semiconductor device may include a semiconductor die stack having a first semiconductor die including a first front-side interconnect structure and a first back-side interconnect structure, and a second semiconductor die including a second front-side interconnect structure and a second back-side interconnect structure, such that the first back-side interconnect structure is electrically connected to the second front-side interconnect structure. The first semiconductor die may include a first central portion disposed between the first front-side interconnect structure and the first back-side interconnect structure, the second semiconductor die may include a second central portion disposed between the second front-side interconnect structure and the second back-side interconnect structure, and each of the first central portion and second central portion may include electrical circuit elements formed in or on a semiconductor substrate.Type: GrantFiled: May 2, 2023Date of Patent: July 21, 2026Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Hiroki Noguchi, Yih Wang
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Publication number: 20260195127Abstract: A memory interface circuit includes an instruction decoder configured to receive an instruction from a processor to generate a corresponding control code.Type: ApplicationFiled: March 5, 2026Publication date: July 9, 2026Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hiroki NOGUCHI, Yih WANG
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Publication number: 20260188380Abstract: An integrated circuit includes a sense amplifier connected to a bit line and a bit line bar, a first memory cell configured to store a data signal and selectively output the data signal on at least one of the bit line and the bit line bar in response to a word line signal, a first circuit connected between a first voltage terminal configured to receive a first external voltage and the bit line and having a first enable terminal configured to receive a first enable signal, wherein the first external voltage is different than the data signal, and a second circuit connected between a second voltage terminal configured to receive a second external voltage and the bit line bar and having a second enable terminal configured to receive a second enable signal, wherein the second external voltage is different than the data signal and the first external voltage.Type: ApplicationFiled: February 20, 2026Publication date: July 2, 2026Inventors: Chi Lo, Chia-En Huang, Yi-Ching Liu, Hiroki Noguchi, Yih Wang
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Publication number: 20260128108Abstract: Various one-time-programmable (OTP) memory cells are disclosed. An OTP memory cell includes an additional dopant region that extends at least partially under the gate of a transistor, such as an anti-fuse transistor. The additional dopant region provides an additional current path for a read current. Alternatively, an OTP memory cell includes three transistors; an anti-fuse transistor and two select transistors. The two select transistors can be configured as a cascaded select transistor or as two separate select transistors.Type: ApplicationFiled: January 5, 2026Publication date: May 7, 2026Inventors: Yih WANG, Hiroki NOGUCHI
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Patent number: 12603662Abstract: An encoding system may be provided. The encoding system may comprise a first stage and a second stage. The first stage may be configured to receive a first input, decode the first input, and produce a first output comprising the decoded first input. The second stage may be configured to receive a second input, receive the first output from the first stage, and convert the first input and the second input from a first coding system to a second coding system based on the second input and the first output. The second stage may produce a second output comprising the converted first input and the converted second input.Type: GrantFiled: April 15, 2024Date of Patent: April 14, 2026Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Win-San Khwa, Hiroki Noguchi, Ku-Feng Lin
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Patent number: 12591429Abstract: A memory interface circuit includes an instruction decoder configured to receive an instruction from a processor to generate a corresponding control code. An execution circuit is configured to receive the control code from the instruction decoder and access a memory and generate an arithmetic result according to the control code.Type: GrantFiled: July 30, 2024Date of Patent: March 31, 2026Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hiroki Noguchi, Yih Wang
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Patent number: 12562216Abstract: An integrated circuit includes a sense amplifier connected to a bit line and a bit line bar, a first memory cell configured to store a data signal and selectively output the data signal on at least one of the bit line and the bit line bar in response to a word line signal, a first circuit connected between a first voltage terminal configured to receive a first external voltage and the bit line and having a first enable terminal configured to receive a first enable signal, wherein the first external voltage is different than the data signal, and a second circuit connected between a second voltage terminal configured to receive a second external voltage and the bit line bar and having a second enable terminal configured to receive a second enable signal, wherein the second external voltage is different than the data signal and the first external voltage.Type: GrantFiled: September 1, 2023Date of Patent: February 24, 2026Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chi Lo, Chia-En Huang, Yi-Ching Liu, Hiroki Noguchi, Yih Wang
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Publication number: 20260031173Abstract: A memory device includes: a memory cell array comprising a plurality of memory cells, the plurality of memory cells comprising a plurality of data memory cells including a first data memory cell and a plurality of backup memory cells including a first backup memory cell; a storage storing an error table configured to record errors in the plurality of data memory cells, the error table including a plurality of error table entries, each error table entry corresponding to one of the plurality of data memory cell and having an address and a failure count; and a controller configured to replace the first data memory cell with the first backup memory cell based on the error table.Type: ApplicationFiled: August 8, 2025Publication date: January 29, 2026Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hiroki Noguchi, Ku-Feng Lin, Yih Wang
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Patent number: 12518841Abstract: Various one-time-programmable (OTP) memory cells are disclosed. An OTP memory cell includes an additional dopant region that extends at least partially under the gate of a transistor, such as an anti-fuse transistor. The additional dopant region provides an additional current path for a read current. Alternatively, an OTP memory cell includes three transistors; an anti-fuse transistor and two select transistors. The two select transistors can be configured as a cascaded select transistor or as two separate select transistors.Type: GrantFiled: May 23, 2024Date of Patent: January 6, 2026Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yih Wang, Hiroki Noguchi
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Patent number: 12517679Abstract: A memory interface circuit includes a request decoder configured to receive a command signal and an address signal. The request decoder is configured to decode the command signal and the address signal to generate a data count signal and a start address signal. A burst counter is coupled to the request decoder, and the burst counter is configured to update the data count signal after each access of a memory. An address generator is coupled to the request decoder. The address generator is configured to receive the start address signal and generate a subsequent memory address signal based on the start address signal after each access of the memory.Type: GrantFiled: April 19, 2022Date of Patent: January 6, 2026Assignee: Taiwan Semiconductor Manufacturing Company Ltd.Inventors: Hiroki Noguchi, Yih Wang
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Publication number: 20250364034Abstract: A memory device includes a plurality of memory cells arranged in a plurality of rows and a plurality of columns; a plurality of word lines, each of the word lines coupled to a corresponding row of the memory cells; a plurality of bit lines, each of the bit lines coupled to a corresponding column of the memory cells; and a plurality of second word lines, each of the second word lines coupled to a corresponding column of the memory cells. Each of the memory cells comprises: a first metal-oxide-semiconductor (MOS) transistor coupled to a corresponding word line; a second MOS transistor coupled to the first MOS transistor and a corresponding second word line; a memory element coupled to the second MOS transistor; and a third MOS transistor coupled to the memory element and a corresponding bit line.Type: ApplicationFiled: July 31, 2025Publication date: November 27, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yoshitaka Yamauchi, Meng-Sheng Chang, Hiroki Noguchi, Perng-Fei Yuh
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Patent number: 12482531Abstract: A memory device includes: a memory cell array comprising a plurality of memory cells, the plurality of memory cells comprising a plurality of data memory cells including a first data memory cell and a plurality of backup memory cells including a first backup memory cell; a storage storing an error table configured to record errors in the plurality of data memory cells, the error table including a plurality of error table entries, each error table entry corresponding to one of the plurality of data memory cell and having an address and a failure count; and a controller configured to replace the first data memory cell with the first backup memory cell based on the error table.Type: GrantFiled: March 18, 2024Date of Patent: November 25, 2025Assignee: Taiwan Semiconductor Manufacturing Company, LTDInventors: Hiroki Noguchi, Ku-Feng Lin, Yih Wang
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Publication number: 20250329405Abstract: A memory system is provided. The memory system includes an error correction code circuit configured to correct a maximum of N error bits in each of multiple read data and a monitor circuit configured to monitor multiple fail word addresses associated with M error bits, and further configured to output a first word address in the fail word addresses to replace first memory locations corresponding to the first word address. Each of the fail word addresses corresponds to one of multiple counter values, and the first word address corresponds to a maximum value of the counter values.Type: ApplicationFiled: June 30, 2025Publication date: October 23, 2025Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventor: Hiroki NOGUCHI
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Publication number: 20250328290Abstract: A memory interface circuit includes a request decoder configured to receive a command signal and an address signal. The request decoder is configured to decode the command signal and the address signal to generate a data count signal and a start address signal. A burst counter is coupled to the request decoder, and the burst counter is configured to update the data count signal after each access of a memory. An address generator is coupled to the request decoder. The address generator is configured to receive the start address signal and generate a subsequent memory address signal based on the start address signal after each access of the memory.Type: ApplicationFiled: June 30, 2025Publication date: October 23, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hiroki NOGUCHI, Yih WANG
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Publication number: 20250322873Abstract: Disclosed herein is an integrated circuit including multiple magnetic tunneling junction (MTJ) cells coupled to a static random access memory (SRAM). In one aspect, the integrated circuit includes a SRAM having a first port and a second port, and a set of pass transistors coupled to the first port of the SRAM. In one aspect, the integrated circuit includes a set of MTJ cells, where each of the set of MTJ cells is coupled between a select line and a corresponding one of the set of pass transistors.Type: ApplicationFiled: June 25, 2025Publication date: October 16, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Perng-Fei Yuh, Yih Wang, Ku-Feng Lin, Jui-Che Tsai, Hiroki Noguchi, Fu-An Wu
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Publication number: 20250321826Abstract: A memory device, such as a MRAM device, includes a plurality of memory macros, where each includes an array of memory cells and a first ECC circuit configured to detect data errors in the respective memory macro. A second ECC circuit that is remote from the plurality of memory macros is communicatively coupled to each of the plurality of memory macros. The second ECC circuit is configured to receive the detected data errors from the first ECC circuits of the plurality of memory macros and correct the data errors.Type: ApplicationFiled: January 30, 2025Publication date: October 16, 2025Inventors: Hiroki NOGUCHI, Yu-Der CHIH, Hsueh-Chih YANG, Randy OSBORNE, Win San KHWA
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Publication number: 20250318438Abstract: A magnetic memory device includes a magnetic tunnel junction (MT)) stack, a spin-orbit torque (SOT) induction wiring disposed over the MTJ stack, a first terminal coupled to a first end of the SOT induction wiring, a second terminal coupled to a second end of the SOT induction wiring, and a selector layer coupled to the first terminal.Type: ApplicationFiled: June 17, 2025Publication date: October 9, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: MingYuan SONG, Shy-Jay LIN, William J. GALLAGHER, Hiroki NOGUCHI
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Patent number: 12412620Abstract: A memory device is disclosed. The memory device includes a plurality of memory cells arranged in a plurality of rows and a plurality of columns; a plurality of word lines, each of the word lines coupled to a corresponding row of the memory cells; a plurality of bit lines, each of the bit lines coupled to a corresponding column of the memory cells; and a plurality of second word lines, each of the second word lines coupled to a corresponding column of the memory cells.Type: GrantFiled: July 28, 2023Date of Patent: September 9, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yoshitaka Yamauchi, Meng-Sheng Chang, Hiroki Noguchi, Perng-Fei Yuh
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Publication number: 20250279398Abstract: A 3D IC structure includes multiple die layers, such as a top die layer and a bottom die layer. The top die layer and/or the bottom die layer each includes devices such as computing units, Analog-to-Digital converters, analog circuits, RF circuits, logic circuits, sensors, Input/Output devices, and/or memory devices. The devices on the first and the second die layers are laterally surrounded by, or adjacent, vertical interconnect structures (VIS).Type: ApplicationFiled: March 24, 2025Publication date: September 4, 2025Inventors: Tzu-Hsien Yang, Hiroki Noguchi, Hidehiro Fujiwara, Yih Wang
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Publication number: 20250267877Abstract: A device includes a substrate having a first side and a second side, a first transistor that includes a first gate over a first protrusion and a first source region and a first drain region interposing the first protrusion, a first buried contact disposed adjacent to the first protrusion and having at least a portion extending into the substrate, a first contact plug disposed over the first drain region, first conductive lines disposed over the first contact plug and electrically connecting to the first drain region by the first contact plug, first via penetrating through the substrate and connecting the first buried contact; and second conductive lines disposed over the second side of the substrate and electrically connecting to the first via. The first buried contact is electrically connecting to the first source region or the first gate.Type: ApplicationFiled: May 2, 2025Publication date: August 21, 2025Inventors: Shy-Jay Lin, Chien-Min Lee, Hiroki Noguchi, MingYuan Song, Yen-Lin Huang, William Joseph Gallagher