Company Filing History:

7 out of 1,813

Avago Technologies General IP (singapore) Pte. Ltd.

patents

4 out of 5,314

Western Digital Technologies, Inc.

patents

2 out of 905

Avago Technologies International Sales Pte. Limited

patents

Years Active: 2016-2021

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10915475 - Methods and apparatus for variable size logical page management based on hot and cold data (2021-02-09),

2. 10892025 - Soft erase and programming of nonvolatile memory (2021-01-12),

3. 10860228 - Method to switch between traditional SSD and open-channel SSD without data loss (2020-12-08),

4. 10394706 - Non-volatile storage with adaptive command prediction (2019-08-27),

5. 10268592 - System, method and computer-readable medium for dynamically mapping a non-volatile memory store (2019-04-23),

6. 10191855 - Caching systems and methods for page reclamation with simulated NVDRAM in host bus adapters (2019-01-29),

7. 10013344 - Enhanced SSD caching (2018-07-03),

8. 9747228 - Caching systems and methods for execution within an NVDRAM environment (2017-08-29),

9. 9734062 - System and methods for caching a small size I/O to improve caching device endurance (2017-08-15),

10. 9715455 - Hint selection of a cache policy (2017-07-25),

11. 9542327 - Selective mirroring in caches for logical volumes (2017-01-10),

12. 9378152 - Systems and methods for I/O processing using out-of-band hinting to block driver or storage controller (2016-06-28),

13. 9239679 - System for efficient caching of swap I/O and/or similar I/O pattern(s) (2016-01-19),

Title: Saugata Das Purkayastha: Innovator in Non-Volatile Memory Technologies

Introduction

Saugata Das Purkayastha is a prominent inventor based in Bengaluru, India. He has made significant contributions to the field of non-volatile memory technologies, holding a total of 13 patents. His work focuses on improving the efficiency and performance of solid-state drives (SSDs) through innovative methods and apparatus.

Latest Patents

One of his latest patents is titled "Methods and apparatus for variable size logical page management based on hot and cold data." This invention provides a management system for a flash translation layer (FTL) in non-volatile memory (NVM) within SSDs. The system includes a logical to physical (L2P) table that separates frequently accessed hot data from less frequently accessed cold data. This separation reduces the size of the L2P table needed in RAM, leading to lower write amplification and latencies, particularly beneficial for large capacity SSDs.

Another notable patent is "Soft erase and programming of nonvolatile memory." This invention describes a non-volatile storage apparatus that utilizes control circuitry to apply soft erase pulses to non-volatile memory cells. This process reduces the threshold voltages of the memory cells, allowing for more efficient programming and erasing of data.

Career Highlights

Saugata has worked with several esteemed companies throughout his career, including Avago Technologies and Western Digital Technologies, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in the realm of memory technology.

Collaborations

He has collaborated with notable professionals in the industry, including Kishore Kaniyar Sampathkumar and Luca Bert. These collaborations have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Saugata Das Purkayastha is a key figure in the field of non-volatile memory technologies, with a strong portfolio of patents that reflect his innovative spirit. His contributions continue to shape the future of solid-state drive technology and enhance data storage solutions.

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