Scottsdale, AZ, United States of America

Stephen St Germain

This inventor holds 55 USPTO granted patents and 5 published patent applications, primarily in Semiconductor Packaging. Top assignee: Semiconductor Components Industries, LLC. Active years: 2004-2025.

USPTO Granted Patents = 55 

% Patents Active = 98.2

Average Co-Inventor Count = 3.1

ph-index = 7

Forward Citations = 164(Granted Patents)

Forward Citations (Not Self Cited) = 134(Dec 10, 2025)


Location History:

  • Scottsdale, AZ (US) (2004 - 2019)
  • Gilbert, AZ (US) (2018 - 2024)

Company Filing History:


Years Active: 2004-2025

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Areas of Expertise:
Semiconductor Packaging
Power Module
Hybrid Spacer
Low Stress Module
Ultra-Thin Die
Gallium Nitride
Multi-Chip Connector
Solder Flow Control
Half-Bridge HEMT
Vertical Mount
Substrate Stress Cracks
55 patents (USPTO):Explore Patents

Title: The Innovative Journey of Stephen St Germain in Semiconductor Technology

Introduction: Stephen St Germain, based in Scottsdale, AZ, is a prolific inventor with an impressive portfolio of 49 patents. His contributions to the field of semiconductor technology have significant implications for the design and efficiency of semiconductor packages. Through his innovative approaches, St Germain has showcased the power of ingenuity in advancing technology.

Latest Patents: Among his notable inventions is the "Low stress asymmetric dual side module." This patent describes a novel implementation of semiconductor packages that incorporates a first substrate featuring multiple die, each coupled to a clip. The design includes a second substrate also with multiple die, supported by a lead frame and molding compound. A unique characteristic of this package is that the perimeters of the first and second substrates do not fully overlap when connected through the lead frame, optimizing performance and durability.

Career Highlights: St Germain has built his career at leading companies in the semiconductor industry, most notably at Semiconductor Components Industries, LLC. His work has led to groundbreaking advancements in the functionality of semiconductor devices, enhancing both the manufacturing process and the final product's efficiency. His extensive patent portfolio underscores his role as a key innovator in the field.

Collaborations: Throughout his career, St Germain has collaborated with other notable professionals, including Roger Arbuthnot and Jay A Yoder. These collaborations have resulted in significant innovations and advancements, showcasing the importance of teamwork in the technological development process.

Conclusion: Stephen St Germain's contributions to semiconductor technology exemplify the innovative spirit of modern inventors. With 49 patents to his name, he continues to inspire future generations of engineers and inventors. His work not only advances the semiconductor industry but also paves the way for new technological solutions that will shape the future.

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