Location History:
- Santa Clara, CA (US) (2022)
- San Jose, CA (US) (2024)
Company Filing History:
Years Active: 2022-2025
Title: **Innovative Contributions of Inventor Robert Ubo Liu**
Introduction
Robert Ubo Liu, based in Santa Clara, California, is a notable inventor with a focus on the design of input devices. With a total of three patents under his name, Liu has made significant advancements, particularly in enhancing the robustness and functionality of styluses used in touch-sensitive applications.
Latest Patents
His latest patents showcase his innovative approach to addressing common challenges faced in the realm of electronic input devices. One of his prominent patents, entitled "Electrostatic discharge robust design for input device," introduces a design that minimizes the risk of damage to sensitive components from electrostatic discharge (ESD). This invention incorporates the use of Schottky diodes and involves specific arrangements of current-limiting resistances to protect conductive paths from ESD events.
Another noteworthy patent is titled "Reducing sensitivity to leakage variation for passive stylus." This invention is designed to address variations in leakage current that occur due to temperature fluctuations. By utilizing a network of diodes and resistors, Liu's design allows for a more stable and accurate detection of stylus inputs on electronic devices, enhancing the overall user experience.
Career Highlights
Liu's professional journey is marked by his role as an inventor at Apple Inc., where he has honed his expertise in input device technologies. His work reflects a commitment to innovation and quality in product design, particularly in enhancing user interaction through advanced electronic devices.
Collaborations
In the course of his career, Liu has collaborated with esteemed colleagues such as John Stephen Smith and Blake R. Marshall. Together, they have contributed to the advancement of technology within their domain, forging a path for future developments in the field of digital input devices.
Conclusion
Robert Ubo Liu stands out as a key figure in the invention and improvement of input devices, particularly styluses. His patents not only reflect his ingenuity but also highlight the potential for enhanced user interaction in electronic applications. Liu's contributions will likely continue to influence the development of more sophisticated technology in the future.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.