A Computer Chip for Training Many AI Agents at Once
This patent describes a specialized computer processor designed to quickly train multiple artificial intelligence agents simultaneously using a unique set of instructions, speeding up how AI learns.
Original patent title: “Processor for implementing reinforcement learning operations”
This patent describes a specialized computer processor designed to quickly train multiple artificial intelligence agents simultaneously using a unique set of instructions, speeding up how AI learns. Granted to Alphaics in 2017 with 22 claims and 53 forward citations, and it is expected to expire in 2037.
Coverage
What does this patent actually cover?
The system uses a "first processor" to set up AI "reinforcement learning agents" and their "environments," assigning each a unique ID (ClaimclaimA numbered sentence at the end of a patent that legally defines what the inventor owns. The most important section.Read more → 1). A "first memory module" stores special instructions, part of an "application-domain specific instruction set (ASI)," which include these agent or environment IDs as "operands" (Claim 1). A "complex instruction fetch and decode (CISFD) unit" then decodes these instructions, creating "threads" that also carry the IDs (Claim 1). A "second processor" with multiple "cores" executes these threads in parallel, applying instructions to the correct agents or environments (Claim 1). This second processor determines actions, "state-value functions," "Q-values," and "reward values" for the agents. These values are stored in a "second memory module" and then used to train a "neural network" via a "neural network data path" to improve the AI's learning (Claim 1). For example, a system could train hundreds of robotic agents to navigate different simulated environments simultaneously using these specialized instructions.
The gap
What does this patent NOT cover?
- General-purpose computer processors running reinforcement learning algorithms without specialized instruction sets.
- Reinforcement learning systems that do not use agent or environment IDs as operands within their instructions.
- Hardware architectures that do not separate the creation of agents/environments from the execution of learning operations into distinct processors.
- Reinforcement learning implementations that do not communicate with a neural network via dedicated data paths for approximating reward or state-value functions.
- Systems where multiple agents are processed sequentially rather than in parallel using "Single Instruction Multiple Agents (SIMA)" type instructions.
These exclusions are unique to PatentBrief — derived from the actual claim language, not patent-office boilerplate.
Key facts
What made this novel
The core innovation is the "Single Instruction Multiple Agents (SIMA)" concept, where a single instruction can be applied simultaneously to many reinforcement learning agents interacting with their environments. This, combined with a specialized processor architecture and instruction set, allows for highly parallel and efficient training of AI.
The Patent Drawing

Schematic visualization of the patent's claim structure. Hand-drawn diagrams in progress for each landmark patent.
Where you've seen this
Real-world examples
Google's DeepMind AlphaGo and AlphaStar training systems
NVIDIA's specialized AI accelerators for robotics simulation
Robotics training platforms
Autonomous vehicle simulation environments
Why it matters
The bigger picture
As artificial intelligence becomes more complex, training AI models, especially through reinforcement learning, requires immense computing power. This patent addresses this challenge by proposing dedicated hardware and instruction sets. This approach can significantly speed up the development and deployment of AI systems by making the learning process more efficient.
Filed
March 9, 2017
Granted
September 5, 2017
Market context
Who's building on this
Companies in this space
Companies like NVIDIA, Intel (with its Habana Labs), and Google (with its TPUs) are actively developing specialized processors and architectures for AI training and inference, including those for reinforcement learning. Alphaics, the original assigneeassigneeThe entity that owns the patent — usually the inventor's employer or a company.Read more →, continues to develop AI hardware, focusing on accelerating AI computations.
Market impact
This type of specialized hardware aims to accelerate the training phase of AI models, which is a significant bottleneck in AI development. It enables faster iteration and deployment of complex AI systems, potentially leading to more sophisticated AI applications in fields like robotics, autonomous systems, and large-scale simulations. It contributes to the broader trend of custom silicon for AI, shifting away from general-purpose CPUs.
Claim 1 — Plain English
What this patent covers
The system uses a "first processor" to set up AI "reinforcement learning agents" and their "environments," assigning each a unique ID (Claim 1). A "first memory module" stores special instructions, part of an "application-domain specific instruction set (ASI)," which include these agent or environment IDs as "operands" (Claim 1). A "complex instruction fetch and decode (CISFD) unit" then decodes these instructions, creating "threads" that also carry the IDs (Claim 1). A "second processor" with multiple "cores" executes these threads in parallel, applying instructions to the correct agents or environments (Claim 1). This second processor determines actions, "state-value functions," "Q-values," and "reward values" for the agents. These values are stored in a "second memory module" and then used to train a "neural network" via a "neural network data path" to improve the AI's learning (Claim 1). For example, a system could train hundreds of robotic agents to navigate different simulated environments simultaneously using these specialized instructions.
The clever bit
The core innovation is the "Single Instruction Multiple Agents (SIMA)" concept, where a single instruction can be applied simultaneously to many reinforcement learning agents interacting with their environments. This, combined with a specialized processor architecture and instruction set, allows for highly parallel and efficient training of AI.
What it does not cover
- General-purpose computer processors running reinforcement learning algorithms without specialized instruction sets.
- Reinforcement learning systems that do not use agent or environment IDs as operands within their instructions.
- Hardware architectures that do not separate the creation of agents/environments from the execution of learning operations into distinct processors.
- Reinforcement learning implementations that do not communicate with a neural network via dedicated data paths for approximating reward or state-value functions.
- Systems where multiple agents are processed sequentially rather than in parallel using "Single Instruction Multiple Agents (SIMA)" type instructions.
Patent timeline
Application submitted to the patent office
Application published, typically 18 months after filing
Patent officially issued
Patent enters public domain
PatentBrief Score
Impact Score
Strong
Citation count
35/40
Highly cited
Claim breadth
15/20
Broad claimsclaimsThe numbered statements at the end of a patent that legally define what the inventor owns.Read more →
Recency
10/20
Granted 5–10 years ago
Assignee scale
0/20
Independent or smaller assigneeassigneeThe entity that owns the patent — usually the inventor's employer or a company.Read more →
PatentBrief Impact Score — based on citation count, claim breadth, recency, and assignee scale. Not a legal assessment.
Heuristic Value Estimate
What this patent might be worth
$312K – $998K
Midpoint $624K · 10.5 yr remaining · industry ×1.6
Heuristic only — blends forward/backward citation counts, claim scope, time remaining, litigation history, and CPC-derived industry baseline. Real valuations need a professional appraisal.
Claim text not yet imported for this patent
The original legal language
Original claims
22 claims as filed with the patent office.
Concepts involved
Citations
Patent lineage
Cite this patent
Nagaraja, N. (2017). A Computer Chip for Training Many AI Agents at Once (U.S. Patent No. 9,754,221). U.S. Patent and Trademark Office. https://patentbrief.org/patent/us/9754221/processor-for-implementing-reinforcement-learning-operations
Auto-generated from the patent record. Double-check author order and the issue date against the official USPTO document before submitting.
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Common Questions
Frequently Asked Questions
What does A Computer Chip for Training Many AI Agents at Once cover?
This patent describes a specialized computer processor designed to quickly train multiple artificial intelligence agents simultaneously using a unique set of instructions, speeding up how AI learns.
Who owns patent US 9754221?
Alphaics owns this patent, granted in 2017.
When does this patent expire?
This patent is expected to expire on March 9, 2037, when the invention enters the public domain.
What is patent US 9754221 cited by?
This patent has been cited by 53 later patents that build on its ideas.
What problem does this patent solve?
As artificial intelligence becomes more complex, training AI models, especially through reinforcement learning, requires immense computing power. This patent addresses this challenge by proposing dedicated hardware and instruction sets. This approach can significantly speed up the development and deployment of AI systems by making the learning process more efficient.
What does this patent NOT cover?
General-purpose computer processors running reinforcement learning algorithms without specialized instruction sets.
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