Hsinchu, Taiwan

Hao-Yi Tsai

This inventor holds 441 USPTO granted patents and 105 published patent applications, primarily in Semiconductor Packaging (CPC class H01L21-568). Top assignees: Taiwan Semiconductor Manufacturing Comp. Ltd., Taiwan Semiconductor Manufacturing Co., Ltd.. Active years: 2006-2026.

USPTO Granted Patents = 441 

% Patents Active = 92.3

Average Co-Inventor Count = 5.5

ph-index = 16

Forward Citations = 1,373(Granted Patents)

Forward Citations (Not Self Cited) = 1,143(Dec 10, 2025)


Inventors with similar research interests:

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Company Filing History:


Years Active: 2006-2026

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Areas of Expertise:
Integrated Circuit
Semiconductor Device
Package Structure
Heat Dissipation
Manufacturing Method
Conductive Traces
Photonic Integrated Circuit
Fingerprint Sensor
Polymer Layers
3D Packaging
Dual-Mode Wireless Charging
IPD Modules
441 patents (USPTO):Explore Patents

Title: Hao-Yi Tsai: A Prolific Inventor and Innovator in Semiconductor Packaging

Introduction:

Hao-Yi Tsai, hailing from Hsinchu, Taiwan, is a highly accomplished inventor and innovator in the field of semiconductor packaging. With an extensive portfolio of 328 patents, Hao-Yi Tsai has made significant contributions to the advancement of semiconductor packaging technologies. This article explores some of his latest patents, highlights of his career, notable collaborations, and the company he is affiliated with.

Latest Patents:

Among Hao-Yi Tsai's recent patents is the "Semiconductor Package and Manufacturing Method Thereof." This invention involves a semiconductor package that consists of a central region and a peripheral region. The package includes functional die, first dummy dies, encapsulant, and redistribution structure. The key innovation lies in the optimal arrangement of components and the specific vacancy ratios in both the central and peripheral regions. Such developments ensure efficient performance and minimize wasted space, leading to enhanced semiconductor package designs.

Another noteworthy patent is the "Package Structure and Manufacturing Method Thereof." This concept introduces a package structure consisting of two interconnected semiconductor packages. The structure includes an integrated circuit comprising a first semiconductor die and multiple second semiconductor dies. The uniqueness lies in the careful alignment of the second semiconductor dies, which have partial overlap with the first semiconductor die. The innovative use of through vias in non-overlapping regions further enhances the functionality and efficiency of the integrated circuit.

Career Highlights:

Hao-Yi Tsai has enjoyed a successful career at Taiwan Semiconductor Manufacturing Company Limited (TSMC). TSMC, one of the world's leading semiconductor foundries, has been at the forefront of technological advancements in the industry. Working in such a dynamic and innovative environment has undoubtedly contributed to Hao-Yi Tsai's prowess in semiconductor packaging, leading to numerous patents and groundbreaking solutions.

Collaborations:

During his career, Hao-Yi Tsai has collaborated with several talented individuals, some of whom include Chen-Hua Yu and Tin-Hao Kuo. These collaborations have proven to be fruitful, fostering a collaborative and creative atmosphere for groundbreaking research and development in the field of semiconductor packaging. The exchange of ideas and expertise has undoubtedly played a pivotal role in Hao-Yi Tsai's accomplishments.

Conclusion:

Hao-Yi Tsai, an accomplished inventor and innovator, has made significant contributions to the field of semiconductor packaging. With an impressive patent portfolio of 328 patents, his latest inventions have demonstrated a deep understanding of optimizing semiconductor package design and enhancing integrated circuit functionality. Through his work at TSMC and collaborations with talented colleagues, Hao-Yi Tsai has made a lasting impact in the industry. As the field continues to evolve, we can expect further advancements from this talented individual, contributing to a more efficient and effective semiconductor packaging ecosystem.

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