Company Filing History:
2 out of 442 
1 out of 832,891 Years Active: 1993-2020
Title: Hirokatsu Maeda: Innovator in Valve Technology
Introduction
Hirokatsu Maeda is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of valve technology, holding a total of 3 patents. His innovative designs have improved the efficiency and reliability of various mechanical systems.
Latest Patents
One of Maeda's latest patents is a ball valve designed to suppress the increase of processing labor time. This invention reliably prevents the simultaneous rotation of a ball seat and a ball when the ball is rotated by handle manipulation. The valve body is formed of a hard material, such as stainless steel, while the ball seat is made from a relatively soft material, like fluorine resin. A protrusion is formed on the ball seat support surface of the valve body to bite into the ball seat, enhancing its functionality.
Career Highlights
Throughout his career, Maeda has worked with various companies, including Fujikin Inc. His experience in the industry has allowed him to develop practical solutions that address common challenges in valve design and operation.
Collaborations
Maeda has collaborated with several talented individuals, including Ryutaro Nishimura and Michio Yamaji. These partnerships have contributed to the advancement of his innovative projects and patents.
Conclusion
Hirokatsu Maeda's work in valve technology exemplifies the spirit of innovation. His patents reflect a commitment to improving mechanical efficiency and reliability. His contributions continue to influence the industry positively.