Chichibu, Japan

Yasuo Hosokawa

This inventor holds 1 USPTO granted patent. Top assignee: Showa Denko K.k.. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuo Hosokawa. Retrieved from https://idiyas.com/inventor/yasuo-hosokawa-88puq2ll

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 = 4.0

ph-index = 1

Forward Citations = 83(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: Yasuo Hosokawa: Innovator in Semiconductor Technology

Introduction

Yasuo Hosokawa is a notable inventor based in Chichibu, Japan. With a passion for semiconductor technology, he has made significant contributions to the field, particularly in the development of light-emitting diodes (LEDs). His innovative work has resulted in at least one patent, marking him as a key figure in contemporary semiconductor research.

Latest Patents

Yasuo Hosokawa holds a patent for a semiconductor light-emitting diode. The invention describes a semiconductor light-emitting diode that includes a compound semiconductor substrate and a double-hetero structure of (Al.sub.x Ga.sub.1-x).sub.y In.sub.1-y P, serving as the active layer. The upper clad layer of the double-hetero structure has a larger band gap energy than that of the active layer and possesses a thickness ranging from 3 to 50 micrometers. This innovation plays a crucial role in enhancing the efficiency and performance of LED technology.

Career Highlights

Yasuo Hosokawa is associated with Showa Denko K.K., a prominent company in the semiconductor industry. His work at Showa Denko has been instrumental in advancing the technology and applications of semiconductor devices, particularly in the realm of light emissions and optical communications.

Collaborations

Throughout his career, Yasuo has collaborated with esteemed colleagues, including Yasuyuki Sakaguchi and Sigemasa Nakamura. These partnerships have further propelled his research and contributions, promoting innovations that are essential in modern electronics and communication technologies.

Conclusion

Yasuo Hosokawa stands out as an influential figure in the semiconductor industry, with a focus on enhancing light-emitting diode technology. His patent and collaborations underscore the importance of teamwork and innovation in driving advancements within the field. As technology continues to evolve, the contributions of inventors like Yasuo will undoubtedly play a critical role in shaping the future of electronics.

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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