This inventor holds 1 USPTO granted patent. Top assignee: Sony Corporation. Active years: 1977.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1977
Title: Tetsuo Toyoda and Electret Transducer Innovation.
Introduction
Tetsuo Toyoda is an inventor associated with Yokohama, Japan, and Sony Corporation. His recorded patent concerns a method for producing an electret transducer component used in microphone technology.
Latest Patents
Toyoda is credited with 1 patent: “Method and Apparatus for an Electret Transducer.” The invention describes attaching a synthetic resin film, such as polytetrafluoroethylene or fluorinated ethylene-propylene copolymer, to a plate with a flat conductive surface. Heating helps secure the film to the plate, after which the film is electrically charged to form an electret. The method provides an approach to making a backplate assembly for an electret microphone transducer.
Career Highlights
Toyoda’s patent reflects work on materials and manufacturing methods for microphone components. The disclosed process combines a conductive plate, a synthetic resin film, and heating and charging steps to create the electret assembly.
Collaborations
Toyoda’s listed coworker is Yoichi Kodera. The patent information connects Toyoda’s work with Sony Corporation.
Conclusion
Tetsuo Toyoda’s recorded invention focuses on a practical method for manufacturing an electret transducer backplate, contributing to microphone component technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile