Eijiro Shimabukuro

Title: Eijiro Shimabukuro: Innovator in Automotive Transmission Technology

Introduction

Eijiro Shimabukuro is a renowned inventor based in Wako, Japan, recognized for his significant contributions to automotive transmission technology. With a remarkable portfolio of 15 patents, Eijiro has dedicated his research to enhancing the performance and reliability of automatic transmissions in vehicles. His innovative solutions address critical issues in automotive engineering, ensuring smoother and more efficient driving experiences.

Latest Patents

One of Eijiro's latest inventions is a controller for automatic transmission that performs feedback control on the slip ratio of a lockup clutch. This advanced controller is designed to select one target slip ratio from a variety of target slip ratios based on the detected automatic transmission fluid temperature of a torque converter. By doing so, it ensures excellent followability to the target value of feedback control, even at low automatic transmission fluid temperatures. This innovation effectively prevents engine hunting and associated vibrations in the vehicle body, allowing for favorable slip control of the lockup clutch across a broader operating range.

Another noteworthy patent is a controller for a transmission that prevents gear squeak caused by synchronization mechanism malfunctions. The system performs a shift operation by determining the control input to the shift motor to match the actual position of the coupling sleeve with a designated target position. Should a malfunction occur during a shift operation, the controller detects the issue and halts the shift operation, ensuring the reliability of the transmission system.

Career Highlights

Eijiro Shimabukuro has made significant advancements in the automotive field during his career, having worked at prominent companies such as Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd. His work at these esteemed organizations has allowed him to push the boundaries of automotive technology and patent his innovative ideas.

Collaborations

Throughout his career, Eijiro has collaborated with talented professionals in the industry, including Naohisa Morishita and Kazuaki Takizawa. These collaborations have enriched his expertise and inspired innovations that address complex engineering challenges in the automotive sector.

Conclusion

Eijiro Shimabukuro stands out as a distinguished inventor in the realm of automotive transmission technology. His commitment to innovation is evident in his extensive patent portfolio, which serves as a testament to his contributions to the industry. As automotive technologies continue to evolve, Eijiro's work will undoubtedly influence the next generation of vehicle performance and reliability.