Hiroshi Tatekawa

Title: Innovations by Hiroshi Tatekawa

Introduction

Hiroshi Tatekawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of hybrid electric vehicles, holding a total of 4 patents. His work focuses on enhancing the performance and efficiency of all-wheel-drive systems in these vehicles.

Latest Patents

One of Tatekawa's latest patents is a control apparatus for all-wheel-drive hybrid electric vehicles. This innovative system allows the HEV-CU to determine the appropriate driving force control based on the vehicle's traveling state, such as cornering or traveling straight. By adjusting the engine and motor generator's control, as well as the engagement force of the differential limiting clutch, the system optimizes performance according to road conditions.

Another notable patent is for a hybrid all-wheel-drive vehicle. This invention enhances the vehicle's capability when climbing over bumps by adjusting the regenerative torque and output torque of the motor generators. The HEV-CU intelligently manages the engagement force of the LSD clutch to ensure optimal torque distribution, improving the vehicle's handling and stability.

Career Highlights

Hiroshi Tatekawa is currently employed at Subaru Corporation, where he continues to innovate in the automotive sector. His expertise in hybrid technology has positioned him as a key player in the development of advanced vehicle systems.

Collaborations

Tatekawa has collaborated with notable colleagues, including Masaki Takami and Akihiro Nabeshima. Their combined efforts contribute to the ongoing advancements in hybrid electric vehicle technology.

Conclusion

Hiroshi Tatekawa's work in hybrid electric vehicles showcases his commitment to innovation and excellence. His patents reflect a deep understanding of vehicle dynamics and a drive to improve automotive technology.