Inventor · disambiguated record
Masakazu Kakumu
Also filed as: KAKUMU MASAKAZU
35 granted patents·23 pending applications·399 citations·filing 1983–2025
96Inventor score
Top patents by PatentIndex Score
58 records- 0197US12125520B2Semiconductor memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Oct 22, 2024·2 cites·12 claims
- 0293US5756365AMethod of manufacturing MOS-type semiconductor device having electrode structure capable of coping with short-channel effectsTOSHIBA KK·Filed 1996·Granted May 26, 1998·114 cites·5 claims
- 0389US11980022B2Memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2022·Granted May 7, 2024·1 cites·4 claims
- 0489US11798616B2Memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2022·Granted Oct 24, 2023·1 cites·14 claims
- 0589US4800176AMethod for forming contact portion in semiconductor integrated circuit devicesTOSHIBA KK·Filed 1988·Granted Jan 24, 1989·97 cites·20 claims
- 0687US12369300B2Semiconductor memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Jul 22, 2025·1 cites·11 claims
- 0787US12363883B2Memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Jul 15, 2025·1 cites·15 claims
- 0887US12315544B2Semiconductor-element-including memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted May 27, 2025·1 cites·18 claims
- 0979US5466958AMOS-type semiconductor device having electrode structure capable of coping with short-channel effect and manufacturing method thereofTOSHIBA KK·Filed 1993·Granted Nov 14, 1995·42 cites·3 claims
- 1069US2025169054A1Memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Application pending·0 cites
- 1169US2025386485A1Memory device using semiconductor devicesUNISANTIS ELECT SINGAPORE PTE·Filed 2025·Application pending·0 cites
- 1266US12437805B2Semiconductor device including memory elementUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Granted Oct 7, 2025·0 cites·15 claims
- 1365US2024389297A1Semiconductor device including memory elementUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Application pending·0 cites
- 1465US2024324173A1Memory device with semiconductor elementsUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Application pending·0 cites
- 1563US2024196591A1Memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Application pending·0 cites
- 1663US2025006637A1Three-dimensional laminated memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Application pending·0 cites
- 1763US2024179895A1Semiconductor device including memory elementsUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Application pending·0 cites
- 1862US12283306B2Memory device including semiconductorUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Apr 22, 2025·0 cites·11 claims
- 1962US2024321342A1Memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Application pending·0 cites
- 2062US2024404583A1Memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Application pending·0 cites
- 2161US2024386944A1Memory device using semiconductor elementsUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Application pending·0 cites
- 2260US12362005B2Semiconductor memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Jul 15, 2025·0 cites·8 claims
- 2360US2023422473A1Semiconductor-element-including memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Application pending·0 cites
- 2459US2023269924A1Semiconductor memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Application pending·0 cites
- 2559US2025031420A1Semiconductor device including memory element and method for manufacturing the sameUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Application pending·0 cites
- 2658US12183391B2Semiconductor memory device and manufacturing method of semiconductor memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2022·Granted Dec 31, 2024·0 cites·7 claims
- 2758US5300462AMethod for forming a sputtered metal filmTOSHIBA KK·Filed 1992·Granted Apr 5, 1994·19 cites·18 claims
- 2857US12302548B2Memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2022·Granted May 13, 2025·0 cites·12 claims
- 2956US12419031B2Semiconductor-element-including memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Sep 16, 2025·0 cites·13 claims
- 3056US2023046352A1Method of producing semiconductor device including memory elementUNISANTIS ELECT SINGAPORE PTE·Filed 2022·Application pending·0 cites
- 3155US12283310B2Memory device with single-transistor DRAM cells with no capacitors, and memory cells stacked in the vertical direction using gate-all-around (GAA) technologyUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Apr 22, 2025·0 cites·10 claims
- 3255US2023247820A1Semiconductor-element-including memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Application pending·0 cites
- 3355US2023269923A1Semiconductor memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Application pending·0 cites
- 3453US5654241AMethod for manufacturing a semiconductor device having reduced resistance of diffusion layers and gate electrodesTOSHIBA KK·Filed 1989·Granted Aug 5, 1997·19 cites·23 claims
- 3553US2024334675A1Memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Application pending·0 cites
- 3652US12419032B2Memory device including semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Sep 16, 2025·0 cites·13 claims
- 3752US2024292593A1Semiconductor-element-including memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Application pending·0 cites
- 3852US2024321343A1Memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Application pending·0 cites
- 3952US2024349481A1Semiconductor device including memory elementUNISANTIS ELECT SINGAPORE PTE·Filed 2024·Application pending·0 cites
- 4051US12362006B2Semiconductor-element-including memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Jul 15, 2025·0 cites·18 claims
- 4151US12317478B2Semiconductor memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted May 27, 2025·0 cites·9 claims
- 4251US5278430AComplementary semiconductor device using diamond thin film and the method of manufacturing this deviceTOSHIBA KK·Filed 1992·Granted Jan 11, 1994·14 cites·8 claims
- 4351US2024206151A1Memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Application pending·0 cites
- 4451US2024179887A1Memory-element-including semiconductor deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Application pending·0 cites
- 4551US2024179886A1Memory-element-including semiconductor deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Application pending·0 cites
- 4650US12477716B2Memory device with stacked body orthogonal to substrate and method using write and ease page refresh operationsUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Nov 18, 2025·0 cites·18 claims
- 4750US12396154B2Memory device using semiconductor elementUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Aug 19, 2025·0 cites·15 claims
- 4850US12369301B2Memory device with semiconductor elementsUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Jul 22, 2025·0 cites·13 claims
- 4950US4812889ASemiconductor device FET with reduced energy level degenerationTOSHIBA KK·Filed 1986·Granted Mar 14, 1989·12 cites·7 claims
- 5048US12245417B2Semiconductor-element-including memory deviceUNISANTIS ELECT SINGAPORE PTE·Filed 2023·Granted Mar 4, 2025·0 cites·11 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →