Company Filing History:
Years Active: 1988
Title: Akemi Yamanaka: Innovator in Semiconductor Laser Technology
Introduction
Akemi Yamanaka is a prominent inventor based in Kodaira, Japan. She has made significant contributions to the field of semiconductor laser technology. Her innovative work has led to the development of devices that enhance the performance and efficiency of laser systems.
Latest Patents
Yamanaka holds a patent for a semiconductor laser device that exhibits minimal astigmatism. This device features a stripe-shaped active region defined between a pair of end surfaces. Notably, at least one of these end surfaces has a curved cross-section with a radius of curvature ranging from 10 to 300 micrometers. The design allows for a width of the active region that supports both a single transverse mode and a multi-longitudinal mode. The laser beam emitted from this device is characterized by its small spot size and reduced astigmatism, making it a valuable advancement in laser technology.
Career Highlights
Yamanaka is currently employed at Hitachi, Ltd., where she continues to push the boundaries of semiconductor technology. Her work has not only contributed to her company but has also had a broader impact on the industry.
Collaborations
Throughout her career, Yamanaka has collaborated with notable colleagues, including Naoki Chinone and Shigeo Yamashita. These partnerships have fostered innovation and have been instrumental in her research and development efforts.
Conclusion
Akemi Yamanaka is a trailblazer in the field of semiconductor lasers, with her patented technology paving the way for advancements in laser applications. Her contributions reflect her dedication to innovation and excellence in engineering.