Patents
US 12229047 B2: Memory access control in a virtualization environment
- Granted
- 2025-02-18
- Filed
- 2021-04-20 application 17759048
- Type
- Utility · 24 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Memory access control in a virtualization environment is provided. Sets of page tables are maintained, with each set corresponding to a given hypervisor application and guest virtual machine (VM), and each set including mappings to a subset of the guest VM memory to thereby limit an amount of the quest VM memory that is accessible Presentation of these sets is controlled to present just one of the sets at any given time for hypervisor processing to access guest VM memory.
Source: PVGPATDIS, file of 2026-04-10 (ipg250218.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Assured Information Security, Inc. 24 patents | US company or organization | Rome, NY | Assured Information Security, Inc. Form D issuer EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Rian Quinn | Highlands Ranch, CO | 6 | PVGPATDIS, file of 2026-04-10 | |
| Connor James Davis | Denver, CO | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G06F | Electric digital data processing | G06F12/0292 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2022-07-19 | Assignment Assignment of assignor's interest | DAVIS, CONNOR JAMES signed 2021-04-14 QUINN, RIAN signed 2021-04-19 | ASSURED INFORMATION SECURITY, INC. ROME, NY | 60546/931 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.