Device authentication method, service access control method, device, and non-transitory computer-readable recording medium
US-11601426-B2 · Mar 7, 2023 · US
Yu Haihua patents
Yu Haihua holds 25 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 25 |
| Recent patents | 0 |
| First publication | Jan 29, 2015 |
| Latest publication | Mar 7, 2023 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Device authentication method, service access control method, device, and non-transitory computer-readable recording medium
US-2020336481-A1 · Oct 22, 2020 · US
Load balancing system with an access controller in the field of communication technology
US-10674402-B2 · Jun 2, 2020 · US
Area restricted access system, method and non-transitory computer-readable storage medium
US-10491601-B2 · Nov 26, 2019 · US
Dual fisheye, hemispherical image projection and stitching method, device and computer-readable medium
US-10482571-B2 · Nov 19, 2019 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Device authentication method, service access control method, device, and non-transitory computer-readable recording medium
US-11601426-B2 · Mar 7, 2023 · US
Device authentication method, service access control method, device, and non-transitory computer-readable recording medium
US-2020336481-A1 · Oct 22, 2020 · US
Load balancing system with an access controller in the field of communication technology
US-10674402-B2 · Jun 2, 2020 · US
Area restricted access system, method and non-transitory computer-readable storage medium
US-10491601-B2 · Nov 26, 2019 · US
Dual fisheye, hemispherical image projection and stitching method, device and computer-readable medium
US-10482571-B2 · Nov 19, 2019 · US
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 20 |
| Physics | 14 |
| Human Necessities | 3 |
| Chemistry & Metallurgy | 1 |
| Cross-Sectional Technologies | 1 |
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Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Yu Haihua have in patentsdb?
- Yu Haihua is linked to 25 publications as assignee in our database.
- What technology areas does Yu Haihua patent most?
- Top mapped technology areas by patent count: Electricity (20); Physics (14); Human Necessities (3).
- Is Yu Haihua's patent activity growing?
- In our data, assignee counts were 2 in 2020 and 1 in 2023 (lower year over year).
- What are recent patents assigned to Yu Haihua?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.