Location History:
- Yokohama, JP (2009 - 2020)
- Fujisawa, JP (2021 - 2024)
Company Filing History:
4 out of 1,217 
1 out of 3,554 
1 out of 13,402 
Years Active: 2009-2025
Title: The Innovative Contributions of Yorimasa Tsubota
Introduction
Yorimasa Tsubota is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 5 patents. His work focuses on enhancing the efficiency and performance of engine components.
Latest Patents
Tsubota's latest patents include a control device designed for internal combustion engines. This control device features a temperature estimating unit that assesses the temperature of a piston. When the temperature reaches a specific threshold, the control unit adjusts the fuel injection timing to optimize performance. Another patent involves an innovative design for an internal combustion engine, which includes a cylinder with distinct thrust and anti-thrust regions. This design incorporates concave portions strategically placed to improve engine efficiency.
Career Highlights
Throughout his career, Tsubota has worked with prominent companies such as Isuzu Motors Limited and Nippon Steel Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.
Collaborations
Tsubota has collaborated with talented individuals in his field, including Takuro Mita and Yutaka Neishi. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Yorimasa Tsubota's contributions to the field of internal combustion engines demonstrate his commitment to innovation and engineering excellence. His patents reflect a deep understanding of engine mechanics and a desire to improve vehicle performance.