Location History:
- Yokohama, JP (2008 - 2012)
- Tokyo, JP (2017)
Company Filing History:
3 out of 567 
1 out of 393 
Years Active: 2008-2017
Title: **Innovative Contributions of Toshiharu Kagawa**
Introduction
Toshiharu Kagawa, an accomplished inventor based in Yokohama, Japan, has made significant strides in engineering through his innovative inventions. With a total of three patents to his name, Kagawa's work primarily focuses on enhancing the functionality and efficiency of fluid control technologies.
Latest Patents
Among his latest patents, the Poppet Valve stands out as a remarkable invention. This poppet valve features a seat portion with a conical inner peripheral surface and a conical portion that moves along the center axis within the seat. This design creates an annular cross-section flow passage that rectifies fluid movement and effectively reduces noise generation. Another groundbreaking patent is the Pressure Regulator, which allows for high-response and high-accuracy pressure control, even amidst downstream flow changes. The regulator maintains constant pressure in an isothermal pressure vessel by intelligently managing the rate of inflow from a gas supply, utilizing a sophisticated feedback control system involving a computer and various sensors.
Career Highlights
Toshiharu Kagawa has had a notable career marked by his affiliation with reputable institutions. He served at the Tokyo Institute of Technology, where his contributions to research and development helped propel advancements in technology. Additionally, Kagawa worked with Kyb Corporation, a leading company known for its innovative engineering solutions.
Collaborations
Throughout his career, Kagawa has collaborated with esteemed colleagues, including Kenji Kawashima and Tomonori Kato. Their joint efforts in research and development have fostered advancements that contribute to the fields of fluid dynamics and control systems.
Conclusion
Toshiharu Kagawa's inventive spirit and dedication to innovation have resulted in significant advancements in fluid control technology. His patents, mainly the Poppet Valve and Pressure Regulator, showcase his expertise and reflect his commitment to creating efficient solutions. As he continues to push the boundaries of engineering, Kagawa remains an inspiring figure in the world of inventions.