Company Filing History:
Years Active: 2024
Title: Shoko Yokokawa: Innovator in Optical Semiconductor Technology
Introduction
Shoko Yokokawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical semiconductors, holding a total of 2 patents. His work focuses on advancing technology that enhances the performance and efficiency of optical devices.
Latest Patents
Yokokawa's latest patents include an optical semiconductor device and a semiconductor laser. The optical semiconductor device features a substrate and a semiconductor multilayer that includes an optical functional layer. An insulating film is formed on the semiconductor multilayer, with an electrode positioned on part of the insulating film. This design allows for a specific region of the insulating film to be thinner where it overlaps with the electrode, optimizing electrical connectivity.
The semiconductor laser patent describes a device that incorporates a multi-quantum well layer in a mesa structure, along with a buried layer of semi-insulating semiconductor. This laser design includes a first cladding layer with a lower refractive index than the multi-quantum well layer, and a high refractive index layer that does not absorb light oscillating in the multi-quantum well layer. Additionally, a diffraction grating layer is included to enhance light diffraction capabilities.
Career Highlights
Shoko Yokokawa is currently employed at Lumentum Japan, Inc., where he continues to innovate in the field of optical semiconductors. His work has been instrumental in developing advanced technologies that are crucial for various applications in the industry.
Collaborations
Yokokawa has collaborated with notable colleagues, including Atsushi Nakamura and Shigetaka Hamada. Their combined expertise has contributed to the successful development of cutting-edge optical devices.
Conclusion
Shoko Yokokawa's contributions to optical semiconductor technology are noteworthy, and his patents reflect his innovative spirit. His work at Lumentum Japan, Inc. continues to push the boundaries of what is possible in this field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.