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For the Inventor, By the Inventor

Zhubei, Taiwan

Chun-Jong Chang

USPTO Granted Patents = 15 

Average Co-Inventor Count = 1.7

ph-index = 2

Forward Citations = 18(Granted Patents)


Location History:

  • Hsinchu County, TW (2011 - 2020)
  • Zhubei, TW (2017 - 2023)

Company Filing History:

goldMedal8 out of 394 
 
Lextar Electronics Corporation
 patents
silverMedal6 out of 832,961 
Other
 patents
where one patent can have more than one assignee

Years Active: 2011-2023

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15 patents (USPTO):Explore Patents
1. 11752883 - Dynamotor module with DC terminal voltage, transmission comprising the same and vehicle comprising the same (2023-09-12),
2. 11424653 - DC motor-dynamo for bidirectional energy conversion between mechanical and electrical energy (2022-08-23),
3. 11370507 - Continuously variable reciprocating prime mover and vehicle comprising the same (2022-06-28),
4. 11333228 - Reciprocating linear prime mover (2022-05-17),
5. 11309779 - Brush-less DC dynamo and a vehicle comprising the same (2022-04-19),
6. 10923996 - DC motor-dynamo (2021-02-16),
7. 10749397 - Brushless DC dynamo (2020-08-18),
8. 10172205 - Dimming module, dimming method and lighting device (2019-01-01),
9. 9967938 - Solid state light source device and dimming circuit thereof (2018-05-08),
10. 9867248 - Dimming module, solid state lighting device, and dimming method (2018-01-09),
11. 9867241 - Dimming module and solid state lighting device (2018-01-09),
12. 9717127 - LED device and dimming system and method thereof (2017-07-25),
13. 9538595 - Illumination device and light-emitting diode circuit (2017-01-03),
14. 9474115 - Dimming circuit (2016-10-18),
15. 8071409 - Fabrication method of light emitting diode (2011-12-06),

Title: The Innovative Contributions of Chun-Jong Chang

Introduction

Chun-Jong Chang is a prominent inventor based in Zhubei, Taiwan. He has made significant contributions to the field of electrical engineering, particularly in the development of dynamotor modules and DC motors. With a total of 15 patents to his name, his work has had a considerable impact on energy conversion technologies.

Latest Patents

One of his latest patents is the "Dynamotor module with DC terminal voltage, transmission comprising the same and vehicle comprising the same." This invention discloses a dynamotor module that includes a first and a second dynamotor, both with DC terminal voltage, connected in parallel. The invention emphasizes the relationship between the rotation speeds and effective magnetic flux densities of the dynamotors, showcasing a unique approach to energy management.

Another notable patent is the "DC motor-dynamo for bidirectional energy conversion between mechanical and electrical energy." This utility model introduces a novel DC dynamo that allows magnetic lines of flux to pass through an air gap in the same direction. This design enables efficient bidirectional energy conversion without the need for commutators, facilitating the generation of sufficient electromotive force.

Career Highlights

Chun-Jong Chang has worked with Lextar Electronics Corporation, where he has contributed to various innovative projects. His expertise in dynamo technology and energy conversion has positioned him as a key figure in his field.

Collaborations

Throughout his career, Chun-Jong Chang has collaborated with notable individuals such as Po-Shen Chen and Chien-Nan Yeh. These partnerships have further enhanced his innovative capabilities and contributed to the success of his projects.

Conclusion

Chun-Jong Chang's contributions to the field of electrical engineering through his patents and collaborations highlight his role as a leading inventor. His work continues to influence advancements in energy conversion technologies, making a lasting impact on the industry.

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