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For the Inventor, By the Inventor

Taoyuan, Taiwan

Chang-Chien Li

This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignee: Benq Corporation. Active years: 2002-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang-Chien Li. Retrieved from https://idiyas.com/inventor/chang-chien-li

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

USPTO Granted Patents = 7

% Patents Active = 85.7


Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 52(Granted Patents)


Location History:

  • Hsin-Chuang, TW (2002)
  • Shinjuang, TW (2006)
  • Taipei, TW (2007)
  • Hsin Chuan, TW (2007)
  • Taoyuan, TW (2007 - 2008)

Company Filing History:

goldMedal7 out of 777 
 
Benq Corporation
 patents

Years Active: 2002-2008

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7 patents (USPTO):Explore Patents
1. 7320524 - Projector and air filtration device thereof (2008-01-22),
2. 7258468 - Assembling structure for replaceable assembling lamp to image output device (2007-08-21),
3. 7236354 - Display device and stand thereof (2007-06-26),
4. 7207502 - Velocity profile modifying device for nozzles (2007-04-24),
5. 7181318 - Apparatus and method for adjusting speed of cooling fan of electronic equipment based on geographic parameters (2007-02-20),
6. 7050123 - Assembled housing of a rear projection television (2006-05-23),
7. 6497489 - Projector with guiding rib in vent (2002-12-24),

Title: Chang-Chien Li: Innovator in Projector Technology and Air Filtration

Introduction

Chang-Chien Li is a prominent inventor based in Taoyuan, Taiwan. He has made significant contributions to the fields of projector technology and air filtration devices. With a total of 7 patents to his name, Li continues to push the boundaries of innovation in his industry.

Latest Patents

Li's latest patents include a groundbreaking air filtration device designed specifically for projectors. This device features a holder, a filter, and a rack that is movably disposed within the holder. The innovative design allows the rack to move between two positions, facilitating easy replacement of the filter. Another notable patent is an assembling structure for a replaceable lamp in an image output device. This invention includes a housing with an opening and a lens, allowing for the lamp to be easily replaced without complicated disassembly.

Career Highlights

Chang-Chien Li is currently employed at Benq Corporation, where he applies his expertise in developing advanced imaging technologies. His work has significantly enhanced the functionality and efficiency of projectors and related devices.

Collaborations

Li has collaborated with notable colleagues such as Chih-Kang Peng and Wen-Chung Ho, contributing to various innovative projects within the company.

Conclusion

Chang-Chien Li's contributions to projector technology and air filtration demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of user needs and technological advancements, solidifying his reputation as a leading inventor in his field.

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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