Kyoto, Japan

Hirohisa Yano

This inventor holds 1 USPTO granted patent. Top assignee: Rohm Co., Ltd.. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohisa Yano. Retrieved from https://idiyas.com/inventor/hirohisa-yano-8swci7ty

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Hirohisa Yano: Innovator in Gallium-Nitride Semiconductor Technology

Introduction

Hirohisa Yano is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the etching of gallium-nitride (GaN) based compound semiconductor layers. His innovative methods have the potential to enhance the efficiency and effectiveness of semiconductor manufacturing processes.

Latest Patents

Hirohisa Yano holds a patent for a method of etching gallium-nitride based compound semiconductor layers. This patent describes a process where a GaN-based compound semiconductor layer is formed on a substrate. An etch mask made of a titanium film is applied to the surface of the gallium-nitride based compound semiconductor. The selective etching process allows for efficient vertical etching of the semiconductor, even in areas that are typically challenging to etch. By utilizing a metal film that is easy to oxidize, the selective etch ratio can be significantly increased, enabling the use of a thin etch film.

Career Highlights

Hirohisa Yano is associated with Rohm Co., Ltd., a company known for its advancements in semiconductor technology. His work has contributed to the development of innovative solutions that address the challenges faced in semiconductor manufacturing. With a focus on enhancing etching techniques, Yano's contributions are paving the way for more efficient production methods.

Collaborations

Hirohisa Yano collaborates with Jun Ichihara, a fellow innovator in the field. Their partnership exemplifies the importance of teamwork in driving technological advancements and fostering innovation in semiconductor research.

Conclusion

Hirohisa Yano's work in gallium-nitride semiconductor technology showcases his commitment to innovation and excellence. His patented methods are set to revolutionize the semiconductor industry, making significant strides in manufacturing efficiency.

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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