Sainarayanan Gopalakrishnan

This inventor holds 66 USPTO granted patents and 10 published patent applications and 3 EPO patents, primarily in Document Processing (CPC class H04N). Top assignees: Xerox Corporation, Hcl Technologies Limited. Active years: 2015-2026.

USPTO Granted Patents = 66 (Patent Applications = 10)

% Patents Active = 78.8

EPO Patents = 3 (Patent Applications = 8)

Average Co-Inventor Count = 3.3

ph-index = 5

Forward Citations = 84(Granted Patents)

Forward Citations (Not Self Cited) = 69(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tamil Nadu, IN (2020)
Medavakkam, IN (2015 - 2023)
Chennai, IN (2015 - 2024)

Company Filing History:

Hcl Technologies Limited

patents

Years Active: 2015-2026

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Areas of Expertise:

Instance Segmentation

Security Patterns

Document Annotations

IR Security Marks

Convolution Engine

Image Quality

Optical Character Recognition

Document Scanning

Color Detection

Print Job Resumption

Multi-Layered OCR

Text Enhancement

66 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12646345 - Methods and systems for adjusting text colors in scanned documents (2026-06-02),

2. 12608815 - Method and system for instance segmentation of densely packed objects (2026-04-21),

3. 12519897 - Methods and systems for adding one or more security patterns in documents (2026-01-06),

4. 12236185 - Methods and systems for adding annotations from a printed version of a document to a digital version of the document (2025-02-25),

5. 12149663 - Methods and systems for detecting one or more security patterns in documents (2024-11-19),

6. 11954931 - Methods and systems for detecting tampering of an IR security mark (2024-04-09),

7. 11941937 - Methods and systems for automatically identifying IR security marks based on known halftone frequency and color information (2024-03-26),

8. 11899743 - Reconfigurable parallel 3-dimensional convolution cluster engine (2024-02-13),

9. 11868873 - Convolution operator system to perform concurrent convolution operations (2024-01-09),

10. 11765288 - Methods and systems for automatically managing output size of a document submitted for scanning (2023-09-19),

11. 11758068 - Methods and systems for adding one or more bookmarks while scanning a document (2023-09-12),

12. 11715314 - Performance improvement with object detection for software based image path (2023-08-01),

13. 11652950 - Methods and systems for handling drifting of colors in printing scenarios (2023-05-16),

14. 11652941 - Methods and systems for securing confidential content of a document while printing and/or generating a copy of the document (2023-05-16),

15. 11556597 - Methods and systems for generating multiple scanned files of different resolutions when scanning a document (2023-01-17),

Title: Sainarayanan Gopalakrishnan - Innovator from Chennai, IN

Introduction: Sainarayanan Gopalakrishnan is a renowned inventor hailing from Chennai, India, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Sainarayanan Gopalakrishnan holds several patents in various technological domains, including artificial intelligence, renewable energy, and healthcare devices.

Career Highlights: With a career spanning over two decades, Sainarayanan Gopalakrishnan has worked with leading tech companies and research institutions, spearheading projects that have led to significant advancements in the industry.

Collaborations: Throughout his career, Sainarayanan Gopalakrishnan has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge sharing.

Conclusion: Sainarayanan Gopalakrishnan's passion for innovation and his relentless pursuit of technological excellence continue to inspire the next generation of inventors and researchers worldwide.