Alian, Taiwan

Shih-Chang Liu

This inventor holds 299 USPTO granted patents and 14 published patent applications, primarily in Semiconductor Devices (CPC class H01L43-12). Top assignee: Taiwan Semiconductor Manufacturing Comp. Ltd.. Active years: 2005-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shih-Chang Liu. Retrieved from https://idiyas.com/inventor/shih-chang-liu

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

USPTO Granted Patents = 299 

% Patents Active = 79.6

Average Co-Inventor Count = 3.6

ph-index = 14

Forward Citations = 957(Granted Patents)

Forward Citations (Not Self Cited) = 766(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Yong Kang, TW (2006)
  • Allan Township, Kaohsiung County, TW (2006)
  • Kaoshiung County, TW (2013)
  • Alian Township, Kaohsiung County, TW (2012 - 2015)
  • Hsin-Chu, TW (2012 - 2016)
  • Alain Township, TW (2017)
  • Yuku Village, TW (2010 - 2018)
  • Taiwan, TW (2019)
  • Kaohsiung, TW (2005 - 2023)
  • Kaohsiung County, TW (2007 - 2024)
  • Alian Township, TW (2009 - 2024)

Company Filing History:


Years Active: 2005-2026

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Areas of Expertise:
Non-Volatile Memory
Semiconductor Devices
Memory Cell
Conductive Barrier
Memory Device
MRAM
Capacitor
Hard Mask
Electrode Structure
RRAM
Deep Trench Capacitor
Bosch Deep Etch
299 patents (USPTO):Explore Patents

Title: Shih-Chang Liu: Innovating the Semiconductor Industry

Introduction:

Innovation is the backbone of progress, and individuals like Shih-Chang Liu showcase the immense contributions made by inventors in shaping the world we live in today. Hailing from Alian Township, Taiwan, Liu has established himself as a prominent figure in the semiconductor industry through his prolific patent portfolio and groundbreaking inventions. This article delves into some of his latest patents, career highlights, and collaborative efforts that have propelled him to the forefront of innovation.

Latest Patents:

Shih-Chang Liu's latest patents have exhibited his expertise in semiconductor structures, paving the way for advancements in memory devices and composite spacers. One of his remarkable patents discloses a semiconductor structure comprising a memory region and a logic region. This structure introduces a novel design, utilizing metal lines, magnetic tunneling junctions (MTJ), caps, and metal vias to enhance memory capabilities and optimize circuitry performance.

Another recent patent of Liu's focuses on a memory device with a composite spacer. This invention highlights the integration of bottom electrodes, MTJ structures, and inner and outer spacers to improve the efficiency and reliability of memory devices, exhibiting his proficiency in creating innovative solutions for the semiconductor industry.

Career Highlights:

With an impressive total of 275 patents, Shih-Chang Liu has left an indelible mark on the field of semiconductor technology. Over the years, he has demonstrated an exceptional ability to identify challenges and develop cutting-edge solutions that advance the boundaries of what is possible in the industry. His patents have revolutionized memory technologies, optimizing performance, efficiency, and functionality.

Collaborations:

Shih-Chang Liu firmly believes in the power of collaboration and has actively engaged with fellow inventors, researchers, and industry professionals throughout his career. Among his notable collaborations, two significant individuals stand out: Chia-Shiung Tsai and Chern-Yow Hsu.

Working alongside Chia-Shiung Tsai, Liu has capitalized on their combined expertise, pushing the envelope of memory device innovation. Their collaborative efforts have resulted in patents that have propelled the evolution of memory technologies, catering to the demands of contemporary applications.

Collaborating with Chern-Yow Hsu, Liu has expanded his technical prowess in creating composite spacer solutions. Together, they have explored novel techniques to enhance memory device performance, optimize design elements, and contribute to the overall advancement of semiconductor technology.

Conclusion:

Shih-Chang Liu's impressive patent portfolio is a testament to his ingenuity and unwavering commitment to advancing the semiconductor industry. Through his latest patents and collaborative efforts, he has effectively transformed theoretical concepts into practical solutions, driving innovation in memory technologies and composite spacers. Liu's contributions serve as inspiration to aspiring inventors and researchers, showcasing the impact that individual inventors can have on shaping our technological landscape.

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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