Company Filing History:
2 out of 4,564 
1 out of 5,314 
Years Active: 2023-2025
Title: Ramkumar Subramanian: Innovator in Data Storage Technologies
Introduction
Ramkumar Subramanian is a notable inventor based in Pleasanton, CA (US). He has made significant contributions to the field of data storage technologies, holding a total of 3 patents. His work focuses on improving the reliability and efficiency of storage devices, particularly in handling errors and defects.
Latest Patents
One of his latest patents is titled "System recovery during CGI-WL defect." This invention provides aspects of a storage device designed to manage global interconnects and local word lines with defects. The storage device includes multiple blocks, each containing several word lines and interconnects. The controller within the device determines logical address patterns associated with program failures and isolates defective word lines, thereby reducing the likelihood of read-only modes.
Another significant patent is the "UECC failure handling method." This invention involves a data storage device that includes a memory device with multiple blocks and a controller. The controller is designed to detect uncorrectable error correction code (UECC) failures and implement a UECC anti-strike mechanism. This mechanism converts read failures into erase failures, allowing the controller to retire blocks that cannot be successfully erased.
Career Highlights
Ramkumar has worked with prominent companies in the technology sector, including SanDisk Technologies Inc. and Western Digital Technologies, Inc. His experience in these organizations has allowed him to develop innovative solutions that enhance data storage reliability.
Collaborations
Throughout his career, Ramkumar has collaborated with talented individuals such as Mahim Raj Gupta and Piyush Girish Sagdeo. These collaborations have contributed to the advancement of his inventions and the overall progress in the field of data storage.
Conclusion
Ramkumar Subramanian is a distinguished inventor whose work in data storage technologies has led to significant advancements in the industry. His innovative patents demonstrate his commitment to improving the reliability and efficiency of storage devices.