Company Filing History:
Years Active: 2006
Title: Shiro Ryochiku: Innovator in Semiconductor Laser Technology
Introduction
Shiro Ryochiku is a prominent inventor based in Tokyo, Japan. He is known for his contributions to the field of semiconductor laser devices. With a focus on innovative technology, Ryochiku has made significant strides in enhancing the efficiency and functionality of laser systems.
Latest Patents
Ryochiku holds a patent for a semiconductor laser device. This device features an n-type diffraction grating layer of n-InGaAsP on an n-InP substrate. It includes through-holes that are periodically disposed alongside one another in a laser optical waveguide direction. The n-InP layer contains sulfur as a dopant impurity in a concentration of at least 1×10 cm. The through-holes are buried in the n-InP layer, and an active layer is positioned on both the n-InP layer and the diffraction grating layer through an n-InP cladding layer. This innovative design aims to improve the performance of semiconductor lasers.
Career Highlights
Ryochiku is associated with Mitsubishi Electric Corporation, where he has been instrumental in advancing semiconductor technologies. His work has contributed to the development of high-performance laser devices that are essential in various applications, including telecommunications and data transmission.
Collaborations
Ryochiku has collaborated with notable colleagues such as Masayoshi Takemi and Toru Ota. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of semiconductor technology.
Conclusion
Shiro Ryochiku's contributions to semiconductor laser technology exemplify the impact of innovative thinking in engineering. His patent and work at Mitsubishi Electric Corporation highlight his role as a key figure in advancing laser technology. Ryochiku's achievements continue to influence the industry and inspire future innovations.