Yasushi Yoshida

Title: Yasushi Yoshida: Innovator in Solid Electrolytic Capacitors

Introduction

Yasushi Yoshida is a notable inventor based in Fussa, Japan, recognized for his contributions to the field of solid electrolytic capacitors. With a total of five patents to his name, he has made significant advancements in capacitor technology, particularly in enhancing their durability and efficiency.

Latest Patents

One of Yasushi Yoshida's latest patents is focused on a solid electrolytic capacitor and the process for fabricating it. This invention provides a capacitor wherein the anode features a dielectric oxide film that is less susceptible to damage from mechanical stresses. It also reduces leakage current and minimizes the risk of short-circuiting. The capacitor comprises an aluminum anode with a dielectric oxide film formed from amorphous alumina, characterized by the presence of multiple tunnel-shaped etching pits. The fabrication process involves creating these etching pits in aluminum, followed by anodic oxidation using electrolytic solutions containing oxalic acid or boric acid, and applying a voltage that is at least three times the rated voltage of the capacitor.

Career Highlights

Yasushi Yoshida has worked with prominent companies in the electronics industry, including Sanyo Electric Co., Ltd. and Saga Sanyo Industries Co., Ltd. His experience in these organizations has contributed to his expertise in capacitor technology and innovation.

Collaborations

Yasushi has collaborated with notable coworkers such as Kazumasa Fujimoto and Hiromu Saito, further enhancing his work in the field of solid electrolytic capacitors.

Conclusion

Yasushi Yoshida's innovative work in solid electrolytic capacitors has led to significant advancements in the technology, making him a key figure in the industry. His contributions continue to influence the development of more efficient and reliable capacitors.