Inventor
NAGAI YUKIHIRO
CN54 patents
⚠️ This page may combine multiple inventors who share the name “NAGAI YUKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED MICROELECTRONICS CORP
22 patentsUS10559570B2Feb 11, 2020
Semiconductor memory device and manufacturing method thereof
UNITED MICROELECTRONICS CORP13 citations86
US10211086B2Feb 19, 2019
Semiconductor structure capable of improving row hammer effect in dynamic random access memory and fabrication method thereof
UNITED MICROELECTRONICS CORP7 citations84
US10083968B1Sep 25, 2018
Semiconductor structure, semiconductor structure for memory device and method for forming the same
UNITED MICROELECTRONICS CORP7 citations84
US10840248B2Nov 17, 2020
Resistor for dynamic random access memory
UNITED MICROELECTRONICS CORP4 citations73
US10453518B1Oct 22, 2019
Layout of sense amplifier
UNITED MICROELECTRONICS CORP5 citations73
US10164008B1Dec 25, 2018
Semiconductor structure and manufacturing method thereof
UNITED MICROELECTRONICS CORP4 citations73
US12317474B2May 27, 2025
Method for forming memory device with buried gate in peripheral circuit region
UNITED MICROELECTRONICS CORP0 citations62
US11943911B2Mar 26, 2024
DRAM with buried gate structure
UNITED MICROELECTRONICS CORP0 citations62
US11139304B2Oct 5, 2021
Manufacturing method of semiconductor memory device
UNITED MICROELECTRONICS CORP0 citations62
US10903215B2Jan 26, 2021
Layout structure of semiconductor structure for dynamic random access memory device and method for forming the same
UNITED MICROELECTRONICS CORP0 citations62
US11056431B2Jul 6, 2021
Electric fuse structure and method for fabricating the same
UNITED MICROELECTRONICS CORP0 citations52
US10608000B1Mar 31, 2020
Semiconductor device
UNITED MICROELECTRONICS CORP0 citations52
US10541241B2Jan 21, 2020
Semiconductor device having thyristor and metal-oxide semiconductor transistor
UNITED MICROELECTRONICS CORP0 citations52
US10529423B2Jan 7, 2020
DRAM device with embedded flash memory for redundancy and fabrication method thereof
UNITED MICROELECTRONICS CORP0 citations52
US10490627B2Nov 26, 2019
Semiconductor structure and manufacturing method thereof
UNITED MICROELECTRONICS CORP0 citations52
US10475740B2Nov 12, 2019
Fuse structure of dynamic random access memory
UNITED MICROELECTRONICS CORP0 citations52
US10460979B2Oct 29, 2019
Semiconductor structure capable of improving row hammer effect in dynamic random access memory and fabrication method thereof
UNITED MICROELECTRONICS CORP0 citations52
US10388656B2Aug 20, 2019
Semiconductor device having thyristor and metal-oxide semiconductor transistor
UNITED MICROELECTRONICS CORP0 citations52
US10373683B2Aug 6, 2019
DRAM device with embedded flash memory for redundancy and fabrication method thereof
UNITED MICROELECTRONICS CORP0 citations52
US10134736B2Nov 20, 2018
Method of integrating thyristor and metal-oxide semiconductor transistor on a semiconductor substrate
UNITED MICROELECTRONICS CORP0 citations52
US10049765B2Aug 14, 2018
Dynamic random access memory having e-fuses used as capacitors coupled to latches
UNITED MICROELECTRONICS CORP0 citations52
US9922982B1Mar 20, 2018
Electric fuse structure
UNITED MICROELECTRONICS CORP0 citations52
MITSUBISHI ELECTRIC CORP
9 patentsUS6445613B1Sep 3, 2002
Magnetic random access memory
MITSUBISHI ELECTRIC CORP89 citations98
US6175156B1Jan 16, 2001
Semiconductor device with improved interconnection
MITSUBISHI ELECTRIC CORP35 citations92
US6104053AAug 15, 2000
Semiconductor device comprising capacitor in logic circuit area and method of fabricating the same
MITSUBISHI ELECTRIC CORP30 citations92
US6040615AMar 21, 2000
Semiconductor device with moisture resistant fuse portion
MITSUBISHI ELECTRIC CORP17 citations84
US6337268B1Jan 8, 2002
Method of manufacturing contact structure
MITSUBISHI ELECTRIC CORP7 citations72
US6313005B1Nov 6, 2001
Method of manufacturing semiconductor device
MITSUBISHI ELECTRIC CORP7 citations72
US6552379B2Apr 22, 2003
Semiconductor device and manufacturing method thereof
MITSUBISHI ELECTRIC CORP2 citations63
US6503804B2Jan 7, 2003
Method of manufacturing a semiconductor device
MITSUBISHI ELECTRIC CORP2 citations63
US6251741B1Jun 26, 2001
Method of manufacturing a semiconductor device
MITSUBISHI ELECTRIC CORP3 citations62
WATANABE HIROSHI
4 patentsUS10785022B2Sep 22, 2020
Network without abuse of a private key
WATANABE HIROSHI9 citations84
US10341122B2Jul 2, 2019
Electronic appliance and network of the same
WATANABE HIROSHI3 citations73
US10460824B2Oct 29, 2019
Semiconductor apparatus with reduced risks of chip counterfeiting and network invasion
WATANABE HIROSHI1 citations63
US10177923B2Jan 8, 2019
Electronic appliance and network of the same
WATANABE HIROSHI1 citations62
RENESAS TECH CORP
3 patentsUS6787878B1Sep 7, 2004
Semiconductor device having a potential fuse, and method of manufacturing the same
RENESAS TECH CORP17 citations82
US6673671B1Jan 6, 2004
Semiconductor device, and method of manufacturing the same
RENESAS TECH CORP3 citations62
US6744143B1Jun 1, 2004
Semiconductor device having test mark
RENESAS TECH CORP5 citations61
POWERCHIP TECH CORP
3 patentsUS9484349B1Nov 1, 2016
Static random access memory
POWERCHIP TECH CORP2 citations63
US9576963B2Feb 21, 2017
Manufacturing method of vertical channel transistor array
POWERCHIP TECH CORP0 citations52
US9536890B2Jan 3, 2017
Semiconductor transistor and flash memory, and manufacturing method thereof
POWERCHIP TECH CORP1 citations52
FUJIAN JINHUA INTEGRATED CIRCUIT CO LTD
3 patentsUS12495545B2Dec 9, 2025
Semiconductor memory device and method of fabricating the same
FUJIAN JINHUA INTEGRATED CIRCUIT CO LTD0 citations62
US12213303B2Jan 28, 2025
Semiconductor device and method of fabricating the same
FUJIAN JINHUA INTEGRATED CIRCUIT CO LTD0 citations53
US12426242B2Sep 23, 2025
Semiconductor memory device having a bit line contact disposed in the substrate
FUJIAN JINHUA INTEGRATED CIRCUIT CO LTD0 citations52
KOBAYASHI HEIJI
2 patentsNAGAI YUKIHIRO
1 patentIMSOLUTION CO LTD
1 patentPOWERCHIP TECHNOLOGY CORP
1 patentTAKESAKO KAZUAKI
1 patentShowing the top 50 of 54 patents by PatentIndex Score.