IDiyas

For the Inventor, By the Inventor

Sunnyvale, CA, United States of America

Deepankar Duggal

USPTO Granted Patents = 15 

Average Co-Inventor Count = 4.6

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:

goldMedal15 out of 40,816 
 
Apple Inc.
 patents

Years Active: 2018-2025

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15 patents (USPTO):
1. 12450068 - Biased conditional instruction prediction (2025-10-21),
2. 12361119 - Consistent speculation of pointer authentication (2025-07-15),
3. 12321751 - Re-use of speculative control transfer instruction results from wrong path (2025-06-03),
4. 12307256 - Livelock detection and resolution using oldest operation tracking (2025-05-20),
5. 12288070 - Program counter zero-cycle loads (2025-04-29),
6. 12175248 - Re-use of speculative load instruction results from wrong path (2024-12-24),
7. 12159142 - Managing table accesses for tagged geometric length (TAGE) load value prediction (2024-12-03),
8. 12045615 - Processing of synchronization barrier instructions (2024-07-23),
9. 11416254 - Zero cycle load bypass in a decode group (2022-08-16),
10. 11200062 - History file for previous register mapping storage and last reference indication (2021-12-14),
11. 10846091 - Coprocessor with distributed register (2020-11-24),
12. 10838729 - System and method for predicting memory dependence when a source register of a push instruction matches the destination register of a pop instruction (2020-11-17),
13. 10838723 - Speculative writes to special-purpose register (2020-11-17),
14. 10628164 - Branch resolve pointer optimization (2020-04-21),
15. 9952863 - Program counter capturing (2018-04-24),

Title: Deepankar Duggal: Innovator in Processor Technology

Introduction

Deepankar Duggal is a prominent inventor based in Sunnyvale, CA. He has made significant contributions to the field of processor technology, holding a total of 15 patents. His work focuses on enhancing the efficiency and security of processor operations.

Latest Patents

Among his latest patents is the "Biased Conditional Instruction Prediction." This innovation involves a processor that includes a conditional instruction prediction tracking circuit. During the fetch of a conditional instruction from memory to an instruction cache, this circuit predicts whether the instruction is biased. If a bias is predicted, the circuit can execute the instruction according to this prediction. Additionally, it may re-code the instruction to be executed as an unconditional instruction. Another notable patent is "Consistent Speculation of Pointer Authentication." This invention features hardware circuitry that authenticates instruction operands. It allows for both speculative and non-speculative execution of instructions, ensuring that no observable state differences are detectable via side channels during speculative execution.

Career Highlights

Deepankar Duggal is currently employed at Apple Inc., where he continues to innovate in processor technology. His work has been instrumental in advancing the capabilities of modern processors.

Collaborations

He has collaborated with notable coworkers, including Richard F Russo and Conrado Blasco, contributing to a dynamic and innovative work environment.

Conclusion

Deepankar Duggal's contributions to processor technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovations continue to shape the future of computing technology.

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