Machine learning device, estimation system, training method, and recording medium
US-2026099723-A1 · Apr 9, 2026 · US
Nec Corp patents
Nec Corp holds 23,912 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 23,912 |
| Recent patents | 7,801 |
| First publication | Jan 1, 2015 |
| Latest publication | Apr 9, 2026 |
Filing trend
Year-over-year patent counts for this assignee.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1,913 |
| 2016 | 1,738 |
| 2017 | 1,604 |
| 2018 | 1,576 |
| 2019 | 1,955 |
| 2020 | 2,040 |
| 2021 | 1,954 |
| 2022 | 2,398 |
| 2023 | 2,449 |
| 2024 | 3,097 |
| 2025 | 2,607 |
| 2026 | 581 |
Recent patents
Latest publications where this party is an assignee.
Model size calculation device, model size calculation method, and non-transitory computer readable medium storing model size calculation program for supporting decision making
US-2026099414-A1 · Apr 9, 2026 · US
Secrecy inquiry device, secrecy inquiry method, and recording medium
US-2026099629-A1 · Apr 9, 2026 · US
Dementia detection device, dementia detection method, and program
US-2026100143-A1 · Apr 9, 2026 · US
Machine learning device, estimation system, training method, and recording medium
US-2026099722-A1 · Apr 9, 2026 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Machine learning device, estimation system, training method, and recording medium
US-2026099723-A1 · Apr 9, 2026 · US
Model size calculation device, model size calculation method, and non-transitory computer readable medium storing model size calculation program for supporting decision making
US-2026099414-A1 · Apr 9, 2026 · US
Secrecy inquiry device, secrecy inquiry method, and recording medium
US-2026099629-A1 · Apr 9, 2026 · US
Dementia detection device, dementia detection method, and program
US-2026100143-A1 · Apr 9, 2026 · US
Machine learning device, estimation system, training method, and recording medium
US-2026099722-A1 · Apr 9, 2026 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| G06V20/52 | 1,320 |
| G06N20/00 | 1,043 |
| G06V40/172 | 891 |
| H04W72/23 | 803 |
| G06T7/00 | 685 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Physics | 14,629 |
| Electricity | 13,894 |
| Cross-Sectional Technologies | 1,714 |
| Human Necessities | 1,172 |
| Operations & Transport | 1,040 |
| Chemistry & Metallurgy | 313 |
| Mechanical Engineering | 279 |
| Fixed Constructions | 199 |
| Textiles & Paper | 9 |
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Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Nec Corp have in patentsdb?
- Nec Corp is linked to 23,912 publications as assignee in our database.
- What technology areas does Nec Corp patent most?
- Top mapped technology areas by patent count: Physics (14,629); Electricity (13,894); Cross-Sectional Technologies (1,714).
- Is Nec Corp's patent activity growing?
- In our data, assignee counts were 3,097 in 2024 and 2,607 in 2025 (lower year over year).
- What are recent patents assigned to Nec Corp?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.