Tatsuro Okubo

Title: Innovations by Tatsuro Okubo

Introduction

Tatsuro Okubo is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electric motors, particularly in the automotive industry. With a total of 4 patents to his name, Okubo's work reflects a commitment to advancing technology in vehicle propulsion systems.

Latest Patents

One of Okubo's latest patents is for a main electric motor for vehicles. This invention features a first bearing box that includes an air outlet for air taken in through an air inlet to exit. A flow channel is defined between the outer peripheral surface of the cylindrical portion of the first bearing box and a frame. The design ensures that a value obtained by dividing the distance between the outer periphery of the blades in the fan and the air outlet by the outer radius of the blades is greater than or equal to a threshold.

Another significant patent is for a squirrel cage induction motor for vehicles. This rotor includes a rotor core with slots on its outer periphery to receive rotor bars. It also features short-circuit rings bonded to the ends of the rotor bars to electrically connect them. Core retainers are located across the rotor core in a direction along the rotating shaft, and a deformation prevention portion is fixed to the short-circuit ring and at least one rotor bar to reduce bending deformation.

Career Highlights

Tatsuro Okubo is currently employed at Mitsubishi Electric Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the efficiency and performance of electric motors used in vehicles.

Collaborations

Okubo collaborates with fellow inventor Hideo Terasawa, contributing to the advancement of electric motor technology.

Conclusion

Tatsuro Okubo's contributions to electric motor technology are noteworthy, with his innovative patents paving the way for advancements in vehicle propulsion systems. His work at Mitsubishi Electric Corporation exemplifies his dedication to innovation in the automotive industry.