This inventor holds 1 USPTO granted patent. Top assignee: Fujitsu Corporation. Active years: 1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1995
Title: Takehiro Shimizu: Inventor of a Waveguide Filter Improvement
Introduction
Takehiro Shimizu is an inventor associated with Kawasaki, Japan, and Fujitsu Corporation. His listed patent concerns a waveguide filter designed to reduce signal loss.
Latest Patents
Shimizu is credited with 1 patent: “Waveguide filter with coaxial/waveguide mode conversion.” The invention addresses filter loss in a waveguide with coaxial-to-waveguide mode conversion parts at its ends. It uses conductor posts bridging the space between the waveguide’s long sides. Their thickness and spacing allow a plane through their axes to act as an imaginary short plane, positioned at a distance of λ/4 × n from a mode-conversion part, where n is an odd positive integer. This arrangement is intended to improve the filter’s performance.
Career Highlights
The available information associates Shimizu’s patent work with Fujitsu Corporation. The patent reflects an engineering contribution to waveguide filter design and signal transmission.
Collaborations
Kenichi Kudo and Hiroyuki Sogo are identified as Shimizu’s coworkers. The provided information does not specify their roles in the patent.
Conclusion
Takehiro Shimizu’s recorded invention focuses on reducing loss in waveguide filters through carefully positioned conductor posts, representing a specialized contribution to communications engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile