Diptikalyan Saha

This inventor holds 59 USPTO granted patents and 15 published patent applications and 1 EPO patent, primarily in Machine Learning Testing. Top assignee: International Business Machines Corporation. Active years: 2013-2026.

USPTO Granted Patents = 59 (Patent Applications = 15)

% Patents Active = 71.2

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 3.9

ph-index = 3

Forward Citations = 67(Granted Patents)

Forward Citations (Not Self Cited) = 46(Dec 10, 2025)

Location History:

West Bengal, IN (2013)
Kolkata, IN (2013 - 2014)
New Dehli, IN (2014)
New Delhi, IN (2014 - 2015)
Bangalare, IN (2017)
Bengaluru, IN (2015 - 2024)

Company Filing History:

59 out of 166,264

International Business Machines Corporation

patents

Years Active: 2013-2026

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Areas of Expertise:

Machine Learning

AI Model Explanations

Data Quality

Test Case Generation

Bias Detection

Deep Learning

Conversational Agents

Natural Language Processing

Anomaly Detection

Fairness Testing

Data Migration

Hypergraphs

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12675390 - Large language model-based test-case refinement for application programming interfaces (2026-07-07),

2. 12657117 - Fault set selection (2026-06-16),

3. 12596941 - Realistic counterfactual explanation of machine learning predictions (2026-04-07),

4. 12555002 - Rule generation for machine-learning model discriminatory regions (2026-02-17),

5. 12554606 - Resiliency testing of applications and compute infrastructures (2026-02-17),

6. 12512089 - Testing cascaded deep learning pipelines comprising a speech-to-text model and a text intent classifier (2025-12-30),

7. 12450289 - Dataset preparation (2025-10-21),

8. 12307385 - Explaining accuracy drift in production data (2025-05-20),

9. 12306743 - Test case generation (2025-05-20),

10. 12288138 - Explanation for time series forecasting models (2025-04-29),

11. 12229509 - Contextual impact adjustment for machine learning models (2025-02-18),

12. 12147906 - Localization-based test generation for individual fairness testing of artificial intelligence models (2024-11-19),

13. 12099805 - Generation of causal explanations for text models (2024-09-24),

14. 12086561 - Multi-agent conversational agent framework (2024-09-10),

15. 12045317 - Feature selection using hypergraphs (2024-07-23),

Title: Innovator Profile: Diptikalyan Saha - Pioneering Conversational Agents and Hypergraph Technology

Introduction:

Diptikalyan Saha, a prominent inventor based in Bengaluru, India, has made significant contributions to the fields of conversational agents and hypergraph technology. With an impressive portfolio of 46 patents, Saha continues to push the boundaries of innovation at the forefront of technological advancements.

Latest Patents:

Among his recent patents is the groundbreaking "Multi-agent conversational agent framework," which revolutionizes the way conversational agents negotiate on behalf of users. Another notable invention is the "Feature selection using hypergraphs," a system that enhances feature selection processes based on hypergraph structures.

Career Highlights:

Saha's remarkable career is highlighted by his tenure at International Business Machines Corporation (IBM), a global technology leader. His expertise and innovative spirit have played a pivotal role in driving IBM's advancement in cutting-edge technologies.

Collaborations:

Throughout his career, Saha has collaborated with esteemed colleagues such as Pranay Kumar Lohia and Karthik Sankaranarayanan. Together, they have synergized their talents to develop groundbreaking technologies that have reshaped the landscape of innovation.

Conclusion:

In conclusion, Diptikalyan Saha stands as a pioneering figure in the realms of conversational agents and hypergraph technology. His relentless pursuit of innovation and collaboration with industry leaders have solidified his reputation as a trailblazer in the tech industry, inspiring future generations of inventors and innovators.