Location History:
- Yokohama, JA (1978)
- Yokohama, JP (1990)
Company Filing History:
Years Active: 1978-1990
Title: **The Innovations of Tooji Takemura in Automotive Engineering**
Introduction
Tooji Takemura, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of automotive engineering. With three patents to his name, Takemura’s innovations focus primarily on improving torque transmission in vehicles, enhancing both performance and safety.
Latest Patents
Among his latest patents are the following groundbreaking inventions:
1. **Rotational Speed Differential Responsive Type Torque Transmitting**: This invention discloses a limited slip differential that consists of a first rotary element, a second rotary element, and hydraulic means featuring multiple reciprocal pistons. These pistons engage with internal cam surfaces of the first rotary element, allowing for controlled torque transfer. The system includes an accumulator and fluid passage means to maintain optimal hydraulic fluid pressure, with a relief valve ensuring safety against excessive pressure.
2. **Vehicle Speed Responsive Variable Torque Transmitting Assembly**: This innovative assembly comprises a first rotary element with internal cam surfaces and a second rotary element made up of a rotor with radially outwardly opening pressure chambers. The hydraulic mechanism facilitates the transmission of input torque between the elements based on the rotational speed and differential rotation between them. The design includes pistons that reciprocate in response to these factors, optimizing the performance of the vehicle.
Career Highlights
Tooji Takemura contributes his expertise to Nissan Motor Company Limited, where he applies his extensive knowledge in automotive technology. His work focuses on enhancing mechanical systems that support improved vehicle dynamics and efficiency.
Collaborations
During his tenure, Tooji has collaborated with notable coworkers such as Takashi Okubo and Takashi Ookubo, working collectively to drive innovation within the organization and push the boundaries of automotive engineering.
Conclusion
Tooji Takemura's innovations demonstrate a profound understanding of automotive mechanics, contributing to advancements that enhance vehicle performance. With his latest patents, Takemura stands as a prominent figure in the realm of automotive technology, paving the way for further innovations in the industry.