Cupertino, CA, United States of America

Lu Chang

This inventor holds 25 USPTO granted patents, primarily in Image Processing. Top assignees: Motorola Corporation, Pico Mobile Networks, Inc., Omnivision Technologies, Inc.. Active years: 1997-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Lu Chang. Retrieved from https://idiyas.com/inventor/lu-chang

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


% Patents Active = 96.0

Average Co-Inventor Count = 2.9

ph-index = 10

Forward Citations = 311(Granted Patents)


Location History:

  • Boca Raton, FL (US) (1997 - 2000)
  • Capertino, CA (US) (2007)
  • Sunnyvale, CA (US) (2015)
  • Cupertino, CA (US) (2006 - 2021)

Company Filing History:


Years Active: 1997-2021

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Areas of Expertise:
Camera Calibration
Surveillance Systems
Image Alignment
Peer-to-Peer Networking
Adaptive Jitter Buffer
Media Stream Switching
Speech Recognition
Voice Compression
Text Input Methods
Wireless Network Discovery
Communication Devices
Selective Call Systems
25 patents (USPTO):Explore Patents

Title: Innovations of Lu Chang: Pioneering Advances in Surveillance and Calibration Systems

Introduction

Lu Chang, based in Cupertino, CA, is an accomplished inventor with an impressive portfolio of 25 patents. His work primarily focuses on innovations that enhance surveillance systems and improve calibration techniques for imaging technologies.

Latest Patents

Among Lu's latest inventions is a Multiple Camera Calibration Chart, designed to calibrate systems of multiple cameras effectively. This chart features a background with an array of dots formatted in rows and columns. The innovative design includes two different dot arrays that occupy designated regions, helping ensure precise calibration. Another significant patent addresses the challenge of reducing false alarms in surveillance systems. This invention integrates an infrared sensor system, an audio recording system, and an image sensor system, all managed by a controller that facilitates accurate response activation.

Career Highlights

Lu Chang has had a notable career, working with prominent companies in the technology sector. He has gained valuable experience at Motorola Corporation and Pico Mobile Networks, Inc. Throughout his career, his inventive contributions have significantly influenced the development of modern surveillance technology and image calibration methods.

Collaborations

In his journey as an inventor, Lu has collaborated with accomplished professionals, including Paul Aerick Lambert and Jian-Cheng Huang. These partnerships have undoubtedly enriched his work and have played a role in the successful development of various technological advancements.

Conclusion

Lu Chang's dedication to innovation is evident through his remarkable achievements and contributions to the fields of surveillance and imaging technology. With a strong foundation in collaboration and a focus on pivotal advancements, Lu continues to be a driving force behind significant breakthroughs that benefit various industries.

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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