Company Filing History:
Years Active: 2011-2015
Title: Yasunori Yokoyama: Innovator in Semiconductor Technology
Introduction
Yasunori Yokoyama is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of light-emitting devices. With a total of 16 patents to his name, Yokoyama's work has had a lasting impact on the industry.
Latest Patents
Yokoyama's latest patents include advancements in group-III nitride compound semiconductor light-emitting devices. His innovative methods involve the manufacturing of these devices, which include forming an intermediate layer made of a group-III nitride compound on a substrate. This process utilizes gas that includes a group-V element, activated and reacted in plasma. The method also details the sequential formation of an n-type semiconductor layer, a light-emitting layer, and a p-type semiconductor layer, all made from group-III nitride compound semiconductors. Notably, nitrogen is used as the group-V element, and the thickness of the intermediate layer is maintained between 20 to 80 nm. Additionally, he has developed a sputtering apparatus designed for semiconductor light-emitting elements, which operates in a depressurized state to generate plasma discharge.
Career Highlights
Throughout his career, Yokoyama has worked with notable companies such as Showa Denko K.K. and Toyoda Gosei Co., Ltd. His expertise in semiconductor technology has positioned him as a key figure in the industry, contributing to various advancements and innovations.
Collaborations
Yokoyama has collaborated with esteemed colleagues, including Hisayuki Miki and Kenzo Hanawa. These partnerships have further enhanced his research and development efforts in semiconductor technology.
Conclusion
Yasunori Yokoyama's contributions to the field of semiconductor technology, particularly in light-emitting devices, showcase his innovative spirit and dedication to advancing the industry. His numerous patents reflect his expertise and commitment to excellence in this vital area of technology.