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For the Inventor, By the Inventor

Banciao, Taiwan

Chieh-Fang Chen

This inventor holds 22 USPTO granted patents, primarily in Phase Change Memory. Top assignees: Macronix International Co., Ltd., International Business Machines Corporation, Qimonda North America Corporation. Active years: 2009-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chieh-Fang Chen. Retrieved from https://idiyas.com/inventor/chieh-fang-chen

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

USPTO Granted Patents = 22

% Patents Active = 77.3

Average Co-Inventor Count = 3.5

ph-index = 7

Forward Citations = 109(Granted Patents)


Location History:

  • Tarrytown, NY (US) (2009)
  • Panshiao, TW (2011)
  • Taipei County, TW (2012 - 2013)
  • Panciao, TW (2013)
  • Banciao, TW (2010 - 2014)
  • Panchiao, TW (2012 - 2014)
  • Taipei, TW (2011 - 2016)
  • Zhubei, TW (2020)
  • Zhubei, CN (2020)

Company Filing History:

goldMedal18 out of 3,609 
 
Macronix International Co., Ltd.
 patents
silverMedal12 out of 166,351 
 
International Business Machines Corporation
 patents
bronzeMedal1 out of 80 
 
Qimonda North America Corporation
 patents
where one patent can have more than one assignee

Years Active: 2009-2020

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Areas of Expertise:
Semiconductor Structure
Memory Device
Fabrication Method
Phase Change Memory
3D Memory Device
Doped Phase Change Materials
Bit Line Formation
Dielectric Isolated Structure
Rewritable Memory
Current Constricting Element
Amorphous Regions
Fast Switching
22 patents (USPTO):Explore Patents
1. 10811427 - Semiconductor structure and manufacturing method thereof (2020-10-20),
2. 10685971 - Three dimensional memory device and method for fabricating the same (2020-06-16),
3. 9330764 - Array fanout pass transistor structure (2016-05-03),
4. 8779408 - Phase change memory cell structure (2014-07-15),
5. 8772747 - Composite target sputtering for forming doped phase change materials (2014-07-08),
6. 8623734 - Method to selectively grow phase change material inside a via hole (2014-01-07),
7. 8537609 - Memory device and method of operating the same (2013-09-17),
8. 8445313 - Method for forming a self-aligned bit line for PCRAM and self-aligned etch back process (2013-05-21),
9. 8426242 - Composite target sputtering for forming doped phase change materials (2013-04-23),
10. 8378328 - Phase change memory random access device using single-element phase change material (2013-02-19),
11. 8363463 - Phase change memory having one or more non-constant doping profiles (2013-01-29),
12. 8324605 - Dielectric mesh isolated phase change structure for phase change memory (2012-12-04),
13. 8273598 - Method for forming a self-aligned bit line for PCRAM and self-aligned etch back process (2012-09-25),
14. 8263960 - Phase change memory cell with filled sidewall memory element and method for fabricating the same (2012-09-11),
15. 8198619 - Phase change memory cell structure (2012-06-12),

Title: **Chieh-Fang Chen: Innovator in Semiconductor Technology**

Introduction

Chieh-Fang Chen is a distinguished inventor based in Banciao, Taiwan, known for his substantial contributions to the field of semiconductor technology. With an impressive portfolio of 22 patents, he has made significant strides in advancing memory devices and manufacturing methods.

Latest Patents

Among his latest innovations is a patented semiconductor structure that incorporates a substrate, conductive layers, dielectric layers, and an isolation structure. This design features both a first and a second memory structure that penetrate through the conductive and dielectric layers while having distinct curvature radii. Additionally, the memory structures include protecting structures at either end of their memory storage layers, which have varying etching selectivities.

Another recent patent focuses on a three-dimensional (3D) memory device, featuring multiple conductive and insulating layers arranged in a stacking structure. This innovation introduces trenches that enhance the device's functionality, connecting various layers with a unique channel segment that enables improved memory performance.

Career Highlights

Chieh-Fang Chen has held pivotal roles in notable companies, contributing to his expertise in semiconductor technology. His experience includes working with Macronix International Co., Ltd. and International Business Machines Corporation (IBM). These roles have allowed him to hone his skills and drive advancements in memory storage technology.

Collaborations

Throughout his career, Chieh-Fang Chen has collaborated with esteemed colleagues, including Hsiang-Lan Lung and Chung H Lam. These partnerships have fostered an environment of innovation, leading to the development of cutting-edge semiconductor solutions.

Conclusion

Chieh-Fang Chen's extensive patent portfolio and collaborations underscore his significant impact on the semiconductor industry. His innovative designs not only enhance existing technologies but also pave the way for future advancements in memory devices, solidifying his reputation as a leading inventor in the 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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