Location History:
- Sunnyvale, CA (US) (1980 - 1996)
- Los Altos, CA (US) (1994 - 2002)
Company Filing History:
6 out of 78 
1 out of 65 
4 out of 832,891 Years Active: 1980-2002
Title: **The Innovative Mind of Robert L. Chao**
Introduction
Robert L. Chao, an accomplished inventor based in Sunnyvale, CA, has made significant contributions to the field of electrical engineering. With a remarkable portfolio of 11 patents, his innovative spirit and technical expertise have paved the way for advancements in circuit design and adjustable analog devices.
Latest Patents
One of Chao's most notable inventions is the "Electrically Adjustable CMOS Integrated Voltage Reference Circuit." This advanced voltage reference circuit employs electrically adjustable analog devices fabricated on a single substrate. It features two matched transistor pairs, each containing an adjusting transistor and a differential pair transistor. This design enables intricate geometrical and electrical matching between the transistors, optimizing performance. The circuit also incorporates a feedback loop involving an amplifier, a fixed resistor, and a current source to enhance functionality.
Another significant patent is for "Integrated Electrically Adjustable Analog Transistor Devices." This invention describes a superior integrated device with multiple sub-structures designed to optimize performance. One of these sub-structures is particularly effective for charging the insulated gate, while others differ in dimensions and electrical characteristics to ensure optimal interaction with external electrical circuits.
Career Highlights
Chao’s career has been marked by his innovative work at renowned companies, including Supertex, Inc. His experience in designing advanced electronic devices showcases his dedication to pushing the boundaries of technology and his continuous pursuit of innovation.
Collaborations
Throughout his career, Robert L. Chao has had the pleasure of working alongside notable professionals, including his coworker Michael F. Mattes. Collaborations with such talented individuals have undoubtedly enriched his innovative journey.
Conclusion
Robert L. Chao's impressive array of patents and his commitment to electrical engineering exemplify the essence of innovation. His contributions to the field have not only advanced technology but have also inspired future generations of inventors to explore new possibilities in circuit design and analog devices.