This inventor holds 11 USPTO granted patents and 2 EPO patents. Top assignees: Aisin Seiki Kabushiki Kaisha, Kabushiki Kaisha Tokai Rika Denki Seisakusho. Active years: 1976-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Aichi, JA (1976)
- Aichi-ken, JP (2000)
- Aichi, JP (1984 - 2006)
- Obu, JP (2012 - 2018)
Company Filing History:

Years Active: 1976-2018
Title: Innovations of Yoshihiro Kawai
Introduction
Yoshihiro Kawai is a prominent inventor based in Obu, Japan. He has made significant contributions to the field of engineering, particularly in the development of valve control technologies. With a total of 11 patents to his name, Kawai's work has had a notable impact on various industries.
Latest Patents
Among his latest inventions is the "Valve Opening and Closing Timing Control Apparatus." This apparatus features a driving-side rotational body and a driven-side rotational body, along with a cylindrical member and a control valve element. It is designed to optimize the timing of valve operations, enhancing efficiency in fluid management. Another significant patent is the "Variable Valve Timing Control Device," which includes a driving side rotation member and an intermediate lock mechanism. This device allows for precise control of fluid pressure, improving the performance of engine systems.
Career Highlights
Kawai has worked with notable companies such as Aisin Seiki Co., Ltd. and Tokai Rika Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects that push the boundaries of technology.
Collaborations
Throughout his career, Kawai has collaborated with talented individuals, including Masaki Kobayashi and Takashi Yamada. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Yoshihiro Kawai's contributions to valve control technology and his extensive patent portfolio highlight his role as a leading inventor in Japan. His work continues to influence advancements in engineering and technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile