Yasuyuki Sumigama

Title: Yasuyuki Sumigama: Innovator in Water Pipe Technology

Introduction: Yasuyuki Sumigama is an inventive mind hailing from Seki-City, Gifu Prefecture, Japan. He is recognized for his patent concerning a screw stopper that includes an anti-freeze device specifically designed for water pipe valves. This innovative design contributes to improved functionality in plumbing applications.

Latest Patents: Mr. Sumigama holds a patent for a screw stopper including an anti-freeze device used for water pipe valve. This patent describes a screw stopper that features a small perforation at its lower portion, a water-through recess on its countersink, and a small movable member that contains a valve for regulating the perforation. The design further incorporates springs, at least one of which is made of a shape-memory alloy, and an outer cylinder to securely hold these springs in place. The system is sealed effectively by a packing that ensures no water escapes from the valve seat.

Career Highlights: Throughout his career, Yasuyuki Sumigama has made significant contributions to the field of plumbing technology. His innovative work has resulted in practical applications that enhance the efficiency and reliability of water pipe systems. His focus on improving existing designs demonstrates his commitment to innovation.

Collaborations: Mr. Sumigama collaborates with esteemed colleagues such as Masatoshi Watanabe and Shinichi Hayakawa. These partnerships have led to fruitful discussions and the exchange of ideas that further advance their respective fields.

Conclusion: Yasuyuki Sumigama is a notable inventor whose work has made a significant impact in plumbing technology. His patent on the screw stopper with an anti-freeze device showcases his innovative approach to solving practical problems in water management systems. As he continues to develop his ideas, the possibility of future advancements in his field looks promising.