Sunnyvale, CA, United States of America

Hariprasad Puthukkootil Rajagopal

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignee: Apple Inc.. Active years: 2019-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hariprasad Puthukkootil Rajagopal. Retrieved from https://idiyas.com/inventor/hariprasad-puthukkootil-rajagopal

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 5.2

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2019-2026

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4 patents (USPTO):Explore Patents

Title: Hariprasad Puthukkootil Rajagopal: Innovator in Eye Tracking Technology

Introduction

Hariprasad Puthukkootil Rajagopal is a notable inventor based in Sunnyvale, CA. He has made significant contributions to the field of eye tracking technology, holding a total of 4 patents. His work focuses on enhancing the functionality and accuracy of eye tracking systems, particularly in head-mountable devices.

Latest Patents

One of his latest patents involves a method for eye tracking data filtering. This innovation determines an initial pupil position of a user in relation to a lens and detects changes in pupil position. If the updated pupil position falls outside a predefined bounding box, it is replaced with a position within the box to ensure accurate eye tracking functionality. Additionally, the patent addresses scenarios where a gaze direction pixel is outside a visibility region, allowing for the identification of a replacement pixel within the region to update the gaze angle.

Another significant patent focuses on error concealment for head-mountable devices. This method includes obtaining a first frame characterized by a specific resolution and down-converting it to a lower resolution to create a reference frame. The reference frame is stored in non-transitory memory, and error correction is performed on subsequent frames based on this reference, enhancing the overall performance of the device.

Career Highlights

Hariprasad currently works at Apple Inc., where he applies his expertise in eye tracking technology. His innovative approaches have contributed to advancements in user interface design and interaction, particularly in augmented and virtual reality applications.

Collaborations

He collaborates with talented individuals such as Tobias Eble and Jian Zhou, further enriching the innovative environment at Apple Inc. Their combined efforts in research and development have led to groundbreaking advancements in technology.

Conclusion

Hariprasad Puthukkootil Rajagopal is a prominent figure in the field of eye tracking technology, with a focus on improving user experience through innovative solutions. His contributions at Apple Inc. and his patented inventions highlight his commitment to advancing technology in meaningful ways.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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