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For the Inventor, By the Inventor

Hsin-Chu, Taiwan

Bill Chang

USPTO Granted Patents = 10

Average Co-Inventor Count = 2.0

ph-index = 5

Forward Citations = 103(Granted Patents)


Company Filing History:

goldMedal10 out of 113 
 
Harvatek Corporation
 patents

Years Active: 2001-2006

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10 patents (USPTO):Explore Patents
1. 7154155 - Wing-shaped surface mount package for light emitting diodes (2006-12-26),
2. 6794686 - White light source (2004-09-21),
3. 6627482 - Mass production technique for surface mount optical device with a focusing cup (2003-09-30),
4. 6583447 - Multiple LED chip package (2003-06-24),
5. 6569698 - Focusing cup on a folded frame for surface mount optoelectric semiconductor package (2003-05-27),
6. 6559512 - Adjustable in-line leads for light emitting device package (2003-05-06),
7. 6534799 - Surface mount light emitting diode package (2003-03-18),
8. 6398983 - Fluorescent material for packaging optical devices (2002-06-04),
9. 6365922 - Focusing cup for surface mount optoelectronic diode package (2002-04-02),
10. 6297598 - Single-side mounted light emitting diode module (2001-10-02),

Title: Innovations of Bill Chang

Introduction

Bill Chang is a prominent inventor based in Hsin-Chu, Taiwan. He has made significant contributions to the field of light-emitting diodes (LEDs) and holds a total of 10 patents. His work has been instrumental in advancing LED technology, making it more efficient and versatile.

Latest Patents

One of his latest patents is the "Wing-shaped surface mount package for light emitting diodes." This innovative package includes a pair of metal contact plates, with an LED mounted to one or both plates. The design features glue encapsulating the LED, which holds the components together for soldering to a motherboard. The contact plates are designed with side notches and bottom recesses to facilitate glue flow, improving the solidifying process of the LED package. Another notable patent is the "White light source," which produces a colorless light similar to natural white light. This is achieved using no more than two color LEDs covered with complementary color phosphorescent glue on an insulating substrate.

Career Highlights

Bill Chang works at Harvatek Corporation, a company known for its advancements in LED technology. His innovative designs and patents have contributed to the company's reputation as a leader in the industry.

Collaborations

He collaborates with talented coworkers, including Bily Wang and Chin-Mau James Hwang, who share his passion for innovation in LED technology.

Conclusion

Bill Chang's contributions to LED technology through his patents and work at Harvatek Corporation highlight his role as a key innovator in the field. His inventions continue to shape the future of lighting solutions.

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