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For the Inventor, By the Inventor

San Jose, CA, United States of America

Wenrui Cai

USPTO Granted Patents = 14 

Average Co-Inventor Count = 5.8

ph-index = 4

Forward Citations = 65(Granted Patents)


Company Filing History:

goldMedal14 out of 40,816 
 
Apple Inc.
 patents

Years Active: 2019-2025

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14 patents (USPTO):
1. 12305982 - Self-mixing interference based sensors for characterizing touch input (2025-05-20),
2. 12154480 - Mitigating artifacts caused by an under-display light emitter (2024-11-26),
3. 11762193 - Optical tracking system (2023-09-19),
4. 11599224 - Self-mixing interference based sensors for characterizing touch input (2023-03-07),
5. 11592873 - Display stack topologies for under-display optical transceivers (2023-02-28),
6. 11487859 - Behind display polarized optical transceiver (2022-11-01),
7. 11157113 - Self-mixing interference based sensors for characterizing touch input (2021-10-26),
8. 11150332 - Self-calibrating optical transceiver system with reduced crosstalk sensitivity for through-display proximity sensing (2021-10-19),
9. 11067884 - Through-display optical transmission, reception, or sensing through micro-optic elements (2021-07-20),
10. 11029442 - Self-mixing optical proximity sensors for electronic devices (2021-06-08),
11. 10788308 - Particulate matter sensors for portable electronic devices (2020-09-29),
12. 10705347 - Wafer-level high aspect ratio beam shaping (2020-07-07),
13. 10523318 - Device awareness in line-of-sight optical communication systems (2019-12-31),
14. 10306350 - Electronic device having transreflective optical sensors (2019-05-28),

Title: **The Innovations of Wenrui Cai: Pioneering Touch and Display Technologies**

Introduction

Wenrui Cai, based in San Jose, CA, is a notable inventor with an impressive portfolio of 14 patents. His work primarily focuses on enhancing touch input technology and mitigating display artifacts, showcasing his dedication to innovation in electronic devices.

Latest Patents

Cai’s latest inventions include advanced technologies that improve user interaction with devices. One of his patents involves **self-mixing interference based sensors for characterizing touch input**. This invention utilizes vertical-cavity surface-emitting lasers (VCSELs) to detect changes in touch input on surfaces. The technology ingeniously determines user touch, including movements like dragging, based on the interference patterns formed by emitted and reflected light.

Another significant patent is aimed at **mitigating artifacts caused by an under-display light emitter**. This innovation addresses the common issue of display artifacts that can occur when light emitters operate through screens. By optimizing the firing time of light emitters based on various operating conditions, this technology improves overall display quality and user experience.

Career Highlights

Wenrui Cai has made remarkable contributions while working at Apple Inc., where he has positioned himself as a key player in technology innovation. His expertise in developing cutting-edge touch and display technologies has greatly enhanced the functionality and user interface of modern devices.

Collaborations

Throughout his career, Cai has collaborated with talented colleagues, including Mark T Winkler and Tong Chen. These collaborations have allowed him to explore new ideas and refine his inventions, further propelling advancements in the electronic industry.

Conclusion

Wenrui Cai is an influential inventor whose patents reflect a commitment to improving technology used in touch interfaces and display systems. His contributions at Apple Inc. signify a significant stride toward better user experiences in electronic devices. As he continues to innovate, the field of technology is undoubtedly poised for further exciting developments.

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