Koko Kumano

Title: Koko Kumano: Innovator in Centrifugal Blood Pump Technology

Introduction

Koko Kumano is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of medical technology, particularly in the design and functionality of centrifugal blood pumps. With a total of 4 patents to his name, Kumano's work is recognized for its innovative approaches to improving medical devices.

Latest Patents

Kumano's latest patents include advancements in the impeller shaft to bearing interface for centrifugal blood pumps. One of his patents describes a centrifugal pump that features a housing, an impeller rotatably disposed inside the housing, a shaft at the center rotational axis of the impeller, and bearings that pivotally support the shaft ends. Notably, at least one of the shaft ends has surface roughness Requal to or less than 0.21 µm and/or surface roughness Requal to or less than 1.49 µm. Another patent focuses on a centrifugal pump that includes a shaft with spherical surface-shaped shaft ends at both ends in the axial direction, along with bearings that have spherical surface-shaped bearing surfaces. In this design, a ratio of the radius of curvature of the shaft end to the radius of curvature of the bearing surface is equal to or less than 85%.

Career Highlights

Koko Kumano is currently employed at Terumo Kabushiki Kaisha, a leading company in the medical technology sector. His work at Terumo has allowed him to focus on developing innovative solutions that enhance the performance and reliability of medical devices.

Collaborations

Kumano collaborates with Shotaro Tanaka, a talented female coworker who contributes to the innovative projects at Terumo. Their teamwork exemplifies the importance of collaboration in driving technological advancements in the medical field.

Conclusion

Koko Kumano's contributions to centrifugal blood pump technology highlight his role as an influential inventor in the medical device industry. His patents reflect a commitment to improving patient care through innovative engineering solutions.