Tokyo, Japan

Hazumu Kougami

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Sumco Corporation, Sumitomo Mitsubishi Silicon Corporation. Active years: 2007-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hazumu Kougami. Retrieved from https://idiyas.com/inventor/hazumu-kougami

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2007-2008

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2 patents (USPTO):Explore Patents

Title: Hazumu Kougami: Innovator in Semiconductor Technology

Introduction

Hazumu Kougami is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of advanced manufacturing methods for semiconductor substrates and field-effect transistors. His innovative approaches have led to the filing of multiple patents, showcasing his expertise and dedication to the industry.

Latest Patents

Kougami holds 2 patents, with his latest inventions focusing on a semiconductor substrate and field-effect transistor. The manufacturing method for these devices includes a first layer formation process, a second layer formation process, a heat treatment process, and a polishing process. In the first layer formation process, the thickness of the first SiGe layer is set to less than twice the critical thickness, which is crucial for preventing dislocations. The second layer formation process involves a gradient composition region that gradually increases the Ge composition ratio toward the surface, ensuring low penetrating dislocation density and minimal surface roughness.

Career Highlights

Throughout his career, Hazumu Kougami has worked with notable companies such as Sumco Corporation and Sumitomo Mitsubishi Silicon Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.

Collaborations

Kougami has collaborated with esteemed colleagues, including Ichiro Shiono and Masaharu Ninomiya. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Hazumu Kougami's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of advanced semiconductor devices, paving the way for future innovations.

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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