This inventor holds 5 USPTO granted patents and 6 published patent applications and 1 EPO patent. Top assignees: Sumitomo Osaka Cement Co., Ltd., Sumitomo Osaka Cement Co., Ltd.. Active years: 2023-2026.
Company Filing History:
3 out of 19 
2 out of 482 Years Active: 2023-2026
Title: Yumi Murata: Innovator in Optical Waveguide Technology
Introduction
Yumi Murata is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of optical waveguide technology. With a total of 5 patents, her work focuses on enhancing optical devices through innovative designs.
Latest Patents
Murata's latest patents include an optical waveguide element, an optical modulation device using the optical waveguide element, and an optical transmission device utilizing the optical waveguide element. These inventions provide an optical waveguide element that includes spot size conversion means, which suppresses optical insertion loss without complicating the manufacturing process. The optical waveguide element features a rib-type optical waveguide made from a material with an electro-optic effect, along with spot size conversion means that adjusts the mode field diameter of light waves propagating through the optical waveguide.
Career Highlights
Yumi Murata is currently employed at Sumitomo Osaka Cement Co., Ltd. Her work at this company has allowed her to develop cutting-edge optical devices that leverage her expertise in waveguide technology.
Collaborations
Murata has collaborated with notable coworkers, including Yuki Kugimoto and Katsutoshi Kondo. These partnerships have contributed to the advancement of her research and the successful development of her patents.
Conclusion
Yumi Murata's innovative work in optical waveguide technology showcases her dedication to advancing the field. Her patents reflect her commitment to creating efficient optical devices that can have a significant impact on various applications.