Company Filing History:
Years Active: 2024
Title: Koichi Tsukagoshi: Innovator in Piezoelectric Technology
Introduction
Koichi Tsukagoshi is a prominent inventor based in Takasaki, Japan. He has made significant contributions to the field of piezoelectric technology, holding two patents that showcase his innovative approach to ceramic electronic devices.
Latest Patents
Tsukagoshi's latest patents include a piezoelectric element and a method for manufacturing the same. This invention involves forming internal electrodes with a metal that has a silver content of 80 percent by mass or higher. It also includes piezoelectric ceramic layers made from an alkaline niobate with a perovskite structure, containing alkaline earth metals such as calcium and barium. The total content of the alkaline earth metal is specified to be between 0.2 percent by mol and 2.0 percent by mol. Additionally, the piezoelectric ceramic layers contain sintered grains with silver-segregated regions that have a long diameter of 10 nm or smaller. Another notable patent is for a ceramic electronic device that features a multilayer chip, where dielectric and internal electrode layers are alternately stacked. This device includes concentration peaks of two or more types of metals, differing from the main component metal of the internal electrode layer, positioned at various locations in the stacking direction.
Career Highlights
Koichi Tsukagoshi is currently associated with Taiyo Yuden Co., Ltd., a company known for its advancements in electronic components. His work has significantly impacted the development of high-performance ceramic electronic devices.
Collaborations
Throughout his career, Tsukagoshi has collaborated with notable colleagues, including Hidetoshi Masuda and Kotaro Mizuno. These collaborations have further enriched his contributions to the field of piezoelectric technology.
Conclusion
Koichi Tsukagoshi's innovative work in piezoelectric technology and ceramic electronic devices highlights his role as a key inventor in this specialized field. His patents reflect a commitment to advancing technology and improving electronic components.