Susumu Kadokura

Title: Innovations by Susumu Kadokura: A Pioneer in Hydrodynamic Bearing Technology

Introduction

Susumu Kadokura is a notable inventor based in Sagamihara, Japan, renowned for his contributions to the field of hydrodynamic bearing technology. With a total of 20 patents to his name, Kadokura has significantly influenced various engineering applications, particularly in enhancing performance and durability through innovative designs and processes.

Latest Patents

Kadokura's latest patents include several groundbreaking inventions. These encompass a "Hydrodynamic Bearing Structure," "Hydrodynamic Bearing Apparatus," "Method of Producing Hydrodynamic Bearing Apparatus," and "Deflection Scanning Apparatus Using Hydrodynamic Bearing Apparatus." The hydrodynamic bearing structure involves a shaft integral with a rotary polygon mirror fitted in a sleeve designed with dynamic-pressure generating grooves. This construction allows for a bearing surface that undergoes electroconductivizing treatment via the formation of a chemical conversion film, followed by an electrodeposition film containing a lubricating filler like silicon-based resin or inorganic particles. This innovative film is easier to form than traditional plating methods, significantly improving the wear resistance and lubricity of the bearing surface, while effectively preventing wear during low-speed rotation.

In addition to this, Kadokura has patented a method for producing an ink jet recording head. This intricate process includes a conductive treatment step on the discharge port surface, a subsequent removal step of the material present at the discharge port, and an electrolytic deposition step to apply a water-repellent material to the conduction-treated areas, ensuring efficient ink discharge.

Career Highlights

Kadokura's career is marked by numerous achievements at Canon Kabushiki Kaisha, where he has driven innovation in various technological fields. His work has not only led to the development of new products but also improved the performance and reliability of existing technologies in the market.

Collaborations

Throughout his career, Susumu Kadokura has collaborated with esteemed colleagues such as Tomoaki Kato and Yoshiaki Tomari. Together, they have contributed their expertise and creativity towards advancing technological solutions, particularly in hydrodynamic and ink jet technologies.

Conclusion

Susumu Kadokura stands as a prominent figure in the realm of innovation, particularly noted for his advancements in hydrodynamic bearing technology and ink jet mechanisms. His patents embody a commitment to improving functionality and efficiency in engineering designs, positioning him as an influential inventor in his field. With ongoing research and development, Kadokura's work continues to inspire future innovations and enhancements in technological applications.