This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignees: Shinko Electric Industries Co., Ltd., Shinko Electric Industries Inc., Ltd.. Active years: 2025-2026.
Company Filing History:
1 out of 1,704 
1 out of 39 Years Active: 2025-2026
Title: Innovations of Tatsuki Sumi
Introduction
Tatsuki Sumi is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of waveguide technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of waveguide substrates and wiring boards.
Latest Patents
Tatsuki Sumi's latest patents include a waveguide substrate and a method of making a waveguide substrate. The waveguide substrate features a core substrate with first and second through holes, covered by conductive layers and filled with specific materials to enhance performance. His second patent describes a wiring board that incorporates a built-in post wall waveguide, designed to facilitate the transmission of electromagnetic waves through a structured arrangement of conductors and insulating layers.
Career Highlights
Throughout his career, Tatsuki Sumi has worked with prominent companies such as Shinko Electric Industries Co., Ltd. and Shinko Electric Industries Inc., Ltd. His experience in these organizations has contributed to his expertise in waveguide technology and innovation.
Collaborations
Tatsuki has collaborated with notable colleagues, including Hiroshi Taneda and Yoko Nakabayashi. Their joint efforts have further advanced the field of waveguide technology.
Conclusion
Tatsuki Sumi's innovative work in waveguide technology and his contributions to the industry highlight his role as a significant inventor. His patents reflect a commitment to advancing technology and improving communication systems.