Kobe, Japan

Tatsuya Moriwake

This inventor holds 3 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignee: Sumitomo Electric Industries, Limited. Active years: 2022-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Moriwake. Retrieved from https://idiyas.com/inventor/tatsuya-moriwake

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

USPTO Granted Patents = 3 

% Patents Active = 100.0


Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2022-2026

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3 patents (USPTO):Explore Patents

Title: Innovations of Tatsuya Moriwake: A Pioneer in Gallium Arsenide Substrates

Introduction: Tatsuya Moriwake is an esteemed inventor located in Kobe, Japan. With a focus on cutting-edge materials, he has made significant contributions in the field of semiconductor technology, particularly through his innovative work on gallium arsenide substrates.

Latest Patents: Tatsuya Moriwake holds a notable patent for his invention titled “Gallium Arsenide Single Crystal Substrate.” This innovative substrate features a circular main surface whose diameter is represented by D. The unique aspect of this invention is that when the substrate is immersed in molten potassium hydroxide at 500°C for 10 minutes, the etch pits formed on the main surface are counted. In a specific first circular region with a diameter of 0.2D around the center, the number of etch pits is found to be between 0 and 10, showcasing the substrate's high quality and reliability.

Career Highlights: Tatsuya Moriwake is currently affiliated with Sumitomo Electric Industries, Limited, a prominent company renowned for its advancements in electrical and electronic systems. His work focuses on developing new materials that enhance the performance of semiconductor devices.

Collaborations: Throughout his career, Tatsuya has collaborated with notable peers, including Hiroshi Fukunaga and Masanori Morishita. These collaborations have fostered a rich environment for innovation, allowing them to explore new possibilities in the semiconductor landscape.

Conclusion: Tatsuya Moriwake's contributions to the field of gallium arsenide single crystal substrates exemplify his dedication to innovation and excellence. His patent and collaborative efforts position him as a key figure in advancing semiconductor technologies, paving the way for future breakthroughs.

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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