Kiyoshi Haginuma

Title: Kiyoshi Haginuma: Innovator in Dynamic Pressure Bearings

Introduction

Kiyoshi Haginuma is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of precision mechanical equipment through his innovative designs. With a total of 2 patents, Haginuma's work focuses on dynamic pressure type bearings and spindle units.

Latest Patents

Haginuma's latest patents include the "Dynamic Pressure Type Bearing and Spindle Unit" and the "Dynamic Pressure Type Fluid Bearing Device." The dynamic pressure type bearing is designed for precision mechanical equipment and features a hollow inner cylinder made from a thermosetting resin. This innovative design incorporates a heat-treated phenol resin powder and silicon dioxide, enhancing wear resistance and frictional characteristics. The spindle unit, which includes this bearing, utilizes an alloy primarily composed of aluminum, allowing for superior molding accuracy and performance.

The dynamic pressure type fluid bearing device features a housing with a vertically extending cylindrical bore. It includes a radial bearing surface and a thrust bearing surface, with a spiral-shaped dynamic pressure generating groove. This design allows for efficient gas flow, maintaining the shaft member in a floating position, which is crucial for optimal performance.

Career Highlights

Haginuma is associated with Nippon Seiko Kabushiki Kaisha, a company known for its advancements in precision engineering. His work has significantly impacted the development of dynamic pressure bearings, showcasing his expertise and innovative spirit.

Collaborations

Haginuma has collaborated with notable coworkers, including Ikunori Sakatani and Katsuhiko Tanaka. Their combined efforts have contributed to the success of various projects within their field.

Conclusion

Kiyoshi Haginuma's contributions to the field of dynamic pressure bearings exemplify his innovative approach to engineering. His patents reflect a commitment to enhancing the performance and efficiency of precision mechanical equipment. Haginuma's work continues to influence the industry, paving the way for future advancements.