San Diego, CA, United States of America

Guoliang Li

This inventor holds 63 USPTO granted patents and 2 published patent applications and 6 EPO patents, primarily in Integrated Photonics (CPC class G02B). Top assignees: Skorpios Technologies, Inc., Oracle International Corporation, Oracle America, Inc.. Active years: 2010-2025.

USPTO Granted Patents = 63 

% Patents Active = 96.8

 

Average Co-Inventor Count = 3.6

ph-index = 10

Forward Citations = 312(Granted Patents)

Forward Citations (Not Self Cited) = 253(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • San Diego, CA (US) (2010 - 2021)
  • Albuquerque, NM (US) (2016 - 2024)

Company Filing History:


Years Active: 2010-2025

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Areas of Expertise:
Integrated Photonics
Waveguide Mode Expander
Tunable Laser
Optical Filter
High-Speed Transmitter
Coupling Strength Grating
Broadband Receiver
Silicon Substrate
Directional Coupler
Optical Reflector
Electro-Absorption Modulator
Semiconductor Waveguides
63 patents (USPTO):Explore Patents

Guoliang Li: Innovator in Optical Technologies

Introduction

Guoliang Li is a prominent inventor based in San Diego, CA, renowned for his significant contributions to the field of optical technologies. With an impressive portfolio of 62 patents, his work showcases the intersection of innovation and practicality, cementing his reputation in the tech industry.

Latest Patents

Among his latest inventions, Guoliang Li has developed a polarization-independent optical circulator, which is formed in silicon photonics. This circulator employs an optical splitter that includes two couplers connected by two waveguides, one of which is thinner than the other to achieve a substantial effective index difference between TE and TM modes. The inclusion of polarization rotators, whether reciprocal or non-reciprocal, further enhances the functionality of this optical circulator.

Another notable invention is an optical bandpass filter based on reflective devices. This innovative filter comprises an optical splitter with at least four ports, and it utilizes first and second reflectors to couple light effectively. The splitter directs portions of the input light into third and fourth ports, allowing wavelength-selected light to be reflected back toward the splitter while transmitting unwanted wavelengths away, thus optimizing optical performance.

Career Highlights

Guoliang Li's career has been marked by his tenure at notable companies such as Skorpios Technologies, Inc. and Oracle International Corporation. His work in these organizations has contributed to advancing optical technology and solidifying his status as a leader in the field.

Collaborations

Throughout his career, Guoliang has collaborated with esteemed professionals, including Ashok V Krishnamoorthy and Xuezhe Zheng. These partnerships have not only fostered innovation but also led to the development of cutting-edge technologies in optical applications.

Conclusion

In conclusion, Guoliang Li's substantial contributions to optical engineering are evidenced by his extensive patent portfolio and successful collaborations. His inventions not only push the boundaries of technology but also pave the way for future advancements in the field. As the industry continues to evolve, Li remains a pivotal figure, driving innovation with his groundbreaking work.

Profile summary based on public USPTO records.
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