Location History:
- Chofu, JA (1978)
- Tokyo, JP (1983 - 1984)
- Mitaka, JP (1986 - 1987)
Company Filing History:
9 out of 2,208 
3 out of 13,402 
Years Active: 1978-1987
Title: Ryuji Kataoka: Innovator in Automotive Control Systems
Introduction
Ryuji Kataoka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of automotive engineering, particularly in the development of control systems for automotive engines. With a total of 9 patents to his name, Kataoka's work has had a lasting impact on the industry.
Latest Patents
One of Kataoka's latest patents is an air-fuel ratio control system for an automotive engine. This innovative control system utilizes a mass airflow sensor to detect the mass of intake air and generate a corresponding mass airflow signal. Additionally, it incorporates an engine speed sensor to produce an engine speed signal and a throttle angle position sensor to provide a throttle angle signal. The system features two tables for storing coefficients related to the characteristics of the injector and the mass airflow sensor. By calculating the injection pulse width based on these signals and coefficients, the system optimizes engine performance. Another notable patent is a system for controlling the idle speed of an automotive engine. This system employs two look-up tables to manage idle speeds in different states of the vehicle, ensuring fast idling after engine start and adjusting to a lower speed once the accelerator pedal is depressed.
Career Highlights
Throughout his career, Ryuji Kataoka has worked with several notable companies, including Fuji Jukogyo Kabushiki Kaisha and Nissan Motor Company Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking automotive technologies.
Collaborations
Kataoka has collaborated with talented individuals in the field, including Takuro Morozumi and Mitsuo Nakamura. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Ryuji Kataoka's contributions to automotive control systems exemplify his dedication to innovation in engineering. His patents reflect a deep understanding of engine dynamics and a commitment to enhancing vehicle performance. Through his work, Kataoka continues to influence the automotive industry significantly.