Company Filing History:
Years Active: 2010-2011
Title: Fumio Yamashita: Innovator in Nitride Semiconductor Technology
Introduction
Fumio Yamashita is a prominent inventor based in Nara, Japan. He has made significant contributions to the field of semiconductor technology, particularly in nitride semiconductor laser chips. With a total of 2 patents, his work has advanced the capabilities of laser technology.
Latest Patents
Yamashita's latest patents include a nitride semiconductor laser chip and a fabrication method thereof. This innovation is designed to suppress the development of a step on nitride semiconductor layers. The substrate features the (1-100) plane as the principal plane, with the resonator facet perpendicular to this plane. Additionally, an etched-in portion is formed as an etched-in region open toward the surface of the nitride semiconductor layers. Another notable patent is the nitride semiconductor laser element and its fabrication method. This invention involves forming an insulating film and a p-side electrode on a nitride semiconductor layered portion, followed by the creation of an end portion electrode protection layer above the p-side electrode.
Career Highlights
Fumio Yamashita is associated with Sharp Kabushiki Kaisha Corporation, where he has been instrumental in developing advanced semiconductor technologies. His expertise in nitride semiconductors has positioned him as a key figure in the industry.
Collaborations
Yamashita has collaborated with notable colleagues such as Susumu Ohmi and Kunihiro Takatani. Their combined efforts have contributed to the advancement of semiconductor technologies.
Conclusion
Fumio Yamashita's innovative work in nitride semiconductor technology has led to significant advancements in laser technology. His contributions continue to influence the field and inspire future innovations.