This inventor holds 20 USPTO granted patents and 1 EPO patent, primarily in Semiconductor Technology. Top assignees: Nec Corporation, Hitachi Cable, Inc., Kovax Corporation. Active years: 1987-2019.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tsukuba, JP (2002)
- Tokyo, JP (1987 - 2019)
Company Filing History:
12 out of 36,735 
5 out of 836 
3 out of 3 
Years Active: 1987-2019
Areas of Expertise:
Title: Akira Usui: Innovator in Group-III Nitride Crystal Technologies
Introduction
Akira Usui is a prominent inventor based in Tokyo, Japan, known for his groundbreaking work in the field of semiconductor devices. With an impressive portfolio of 20 patents, Usui's innovations significantly contribute to the advancement of Group-III nitride crystal technologies.
Latest Patents
Among Usui's notable patents are several that focus on the method and devices for producing Group-III nitride crystals. His recent inventions include a sophisticated method for producing large, high-quality Group-III nitride crystals with minimal defects such as distortion and dislocation through vapor phase epitaxy. This method comprises two crucial processes: the first stage uses liquid phase epitaxy to create a foundational crystal, while the second employs vapor phase epitaxy to grow upon it. Additionally, Usui has developed a durable abrasive article designed to conform to complex surfaces, enhancing its functionality in various applications.
Career Highlights
Throughout his career, Akira Usui has made significant strides at renowned companies like NEC Corporation and Hitachi Cable, Inc. His work has not only propelled technological advancements in these organizations but also set new benchmarks within the semiconductor industry. Usui's combined expertise in crystal production and materials science marks him as an innovator of great significance.
Collaborations
In his journey, Usui has collaborated with notable professionals, including Masatomo Shibata and Yuichi Oshima. These partnerships have fostered an environment of innovation, allowing for the exchange of ideas and the successful execution of complex projects in the semiconductor field.
Conclusion
Akira Usui stands out as a leading figure in the world of semiconductor innovation. His contributions through patents and collaborative efforts reflect his dedication to advancing technology in Group-III nitride crystal production and abrasive materials. As the industry continues to evolve, Usui's work will undoubtedly play a pivotal role in shaping its future.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile