Company Filing History:
Years Active: 1976-1978
Title: Tonao Yuasa: Innovator in Semiconductor Laser Technology
Introduction
Tonao Yuasa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor laser technology. With a total of 2 patents, Yuasa's work has advanced the efficiency and functionality of semiconductor laser devices.
Latest Patents
Yuasa's latest patents include a semiconductor laser device equipped with a silicon heat sink. This innovative device ensures that at least one of the main surfaces of the semiconductor laser crystal body, which generates heat during operation, is brought into thermal contact with a silicon crystal heat-sink body. Another notable patent is for an injection semiconductor laser device. This device features an active region normal to the reflecting surfaces and includes an ohmic metal film on the side of the heat sink near the active region. The ohmic metal film is plated with a layer of a thermally conductive material, designed to protect the laser from damage when bonded to the heat sink.
Career Highlights
Tonao Yuasa is associated with Nippon Electric Co., Ltd., where he has been instrumental in developing cutting-edge technologies. His work has not only contributed to the company's reputation but has also pushed the boundaries of what is possible in semiconductor laser applications.
Collaborations
Yuasa has collaborated with notable colleagues such as Hiroo Yonezu and Isamu Sakuma. These partnerships have fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
Tonao Yuasa's contributions to semiconductor laser technology exemplify the spirit of innovation. His patents reflect a commitment to enhancing the performance and reliability of laser devices. Through his work at Nippon Electric Co., Ltd., Yuasa continues to influence the future of technology in significant ways.