Company Filing History:
Years Active: 2011-2012
Title: Toshiya Umemura: Innovator in Semiconductor Technology
Introduction
Toshiya Umemura is a prominent inventor based in Aichi-ken, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of Group III nitride-based devices. With a total of 2 patents to his name, Umemura continues to push the boundaries of innovation in this critical area of electronics.
Latest Patents
Umemura's latest patents focus on methods for producing Group III nitride-based compound semiconductor devices. One of his notable inventions involves a method that includes forming trenches in a stacked structure before bonding a support substrate to an epitaxial layer. These trenches help divide the epitaxial layer into extended device areas and stress relaxation areas, facilitating the production of high-quality semiconductor devices. Another patent details a method for producing a light-emitting device, where a contact electrode is formed on an N-polar surface of an n-type layer through a specific annealing process. This innovative approach ensures low resistance and efficient ohmic contact, enhancing the performance of the devices.
Career Highlights
Umemura is currently employed at Toyoda Gosei Co., Ltd., where he applies his expertise in semiconductor technology. His work has been instrumental in advancing the capabilities of light-emitting devices and other semiconductor applications. His contributions have not only benefited his company but have also had a broader impact on the industry.
Collaborations
Throughout his career, Umemura has collaborated with talented individuals such as Masahiro Ohashi and Ryohei Inazawa. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Toshiya Umemura is a key figure in the semiconductor industry, known for his innovative methods in producing Group III nitride-based devices. His work at Toyoda Gosei Co., Ltd. and his collaborations with other experts highlight his commitment to advancing technology. His contributions continue to shape the future of semiconductor applications.