Company Filing History:
Years Active: 2013
Title: **The Innovations of Daisei Shoji in Optical Semiconductor Devices**
Introduction
Daisei Shoji is a notable inventor based in Kanagawa, Japan, recognized for his contributions to the field of optical semiconductor devices. With a strong grasp of semiconductor technologies, his work has advanced the understanding and application of waveguiding techniques in optical devices.
Latest Patents
Shoji holds a patent for an innovative optical semiconductor device designed to guide light with a wavelength of 1.25 µm or greater. This device features a unique structure comprising a first embedded-type waveguide, which is lattice-matched with Indium Phosphide (InP). The first waveguide includes a region with a constant width equal to or greater than 1.50 µm, along with a narrower region. Furthermore, it incorporates a second embedded-type waveguide consisting of a different semiconductor material with a distinct refractive index. This second waveguide has a region that is narrower than 1.50 µm and a wider region. The design integrates both waveguides through an intermediate waveguide portion that connects the two, ensuring that the joining plane maintains a width equal to or smaller than 1.35 µm.
Career Highlights
Daisei Shoji currently works at Sumitomo Electric Device Innovations, Inc., where he applies his expertise in semiconductor technology. His patent signifies a milestone in the development of efficient optical devices, enabling advancements in communication technology and integrated photonic systems.
Collaborations
Throughout his career, Shoji has collaborated with other talented professionals, including his coworker Takuya Fujii. These collaborative efforts have fostered a productive environment conducive to research and innovation in optical and semiconductor technologies.
Conclusion
Daisei Shoji’s contributions to the field of optical semiconductor devices highlight the importance of innovation and collaboration in technology development. His patented optical semiconductor device not only represents a significant achievement in the industry but also exemplifies the potential for future advancements in related technological applications.