Company Filing History:
Years Active: 2011-2018
Title: Eiji Nakayama: Innovator in Semiconductor Technology
Introduction
Eiji Nakayama is a prominent inventor based in Miyagi, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 6 patents. His work focuses on light-emitting elements and methods for producing semiconductor lasers, which are crucial for various optical applications.
Latest Patents
One of Nakayama's latest patents is a light-emitting element that features a laminated structure. This structure includes a first compound semiconductor layer with a first conductivity type, a second compound semiconductor layer with a different conductivity type, and a third compound semiconductor layer that contains an active layer. The design incorporates specific angles for the end surfaces of the semiconductor layers, enhancing the efficiency of the light-emitting element.
Another notable patent involves a method for producing a semiconductor laser with an edge window structure. This method includes forming masks of insulating films on a nitride-based III-V compound semiconductor substrate. The process allows for the growth of a nitride-based III-V compound semiconductor layer in regions not covered by the masks, ensuring that laser stripes are formed symmetrically. This innovation is essential for the development of advanced optical pickup systems and optical disk drives.
Career Highlights
Eiji Nakayama has worked with renowned companies such as Sony Corporation and Sony Group Corporation. His experience in these leading organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the semiconductor industry.
Collaborations
Throughout his career, Nakayama has collaborated with notable colleagues, including Masaru Kuramoto and Tsuyoshi Fujimoto. These partnerships have fostered innovation and have been instrumental in the development of new technologies.
Conclusion
Eiji Nakayama's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in optical technologies and semiconductor applications.