This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignee: Nec Corporation. Active years: 1997-2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1997-2003
Title: Innovations of Yoshiharu Muroya
Introduction
Yoshiharu Muroya is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of laser devices. With a total of 5 patents to his name, Muroya continues to push the boundaries of innovation in his field.
Latest Patents
Muroya's latest patents include a "Distributed feedback type semiconductor laser device having gradually-changed coupling coefficient." This invention features a waveguide structure designed to output signal light from the front side and monitoring light from the rear side. The active layer is formed above a semiconductor substrate, with an optical guide layer that includes a diffraction grating. The coupling coefficient of the waveguide structure is gradually increased from the front to the rear side, enhancing its performance.
Another notable patent is the "Method for manufacturing diffraction grating and method for manufacturing semiconductor laser." This method involves exposing a diffraction grating pattern on a resist using electron beam lithography (EB) and Deep UV light. This innovative approach allows for the formation of a high-quality semiconductor layer on the substrate, preventing deterioration of crystallinity.
Career Highlights
Yoshiharu Muroya is currently employed at NEC Corporation, where he applies his expertise in semiconductor technology. His work has been instrumental in advancing the capabilities of laser devices, making significant impacts in various applications.
Collaborations
Muroya has collaborated with Takao Morimoto, a fellow innovator in the field. Their partnership has led to advancements in semiconductor technologies and has contributed to the success of their projects.
Conclusion
Yoshiharu Muroya's contributions to semiconductor technology through his innovative patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence the development of advanced laser devices, showcasing the importance of innovation in technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile