Koichi Yokoyama

Title: Koichi Yokoyama: Innovator in Anodizing and Ultrasonic Cleaning Technologies

Introduction

Koichi Yokoyama is a notable inventor based in Nagoya, Japan. He has made significant contributions to the fields of anodizing aluminum and ultrasonic cleaning technologies. With a total of 2 patents, his work has had a considerable impact on industrial processes.

Latest Patents

Yokoyama's latest patents include a method for anodizing aluminum and an ultrasonic cleaning device. The anodizing method involves anodizing an aluminum or aluminum alloy object in an electrolytic solution, forming an anodized aluminum film on its surface. This process utilizes an electrolytic solution containing organic acids with two or more carboxylic groups, moving at an average speed of 15 cm/sec or less. The anodization occurs under specific conditions, maintaining the outer surface temperature at 80°C or less, with a current density ranging from 10 to 170 A/dm.

The ultrasonic cleaning device comprises an ultrasonic oscillation plate with multiple ultrasonic oscillators, an ultrasonic wave guide chamber, and a cleaning tank. The design allows for effective cleaning of objects dipped in the cleaning solution, utilizing ultrasonic waves generated by the oscillation plate.

Career Highlights

Koichi Yokoyama is currently employed at Denso Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the efficiency and effectiveness of anodizing and cleaning processes in various industries.

Collaborations

Yokoyama has collaborated with notable coworkers, including Seiji Amakusa and Tetsuyoshi Naito. Their combined expertise has contributed to the advancement of technologies in their respective fields.

Conclusion

Koichi Yokoyama's contributions to anodizing and ultrasonic cleaning technologies highlight his role as a significant inventor in Japan. His innovative methods and devices continue to influence industrial practices and improve efficiency.