Mitsuharu Hashimoto

Title: Mitsuharu Hashimoto: Innovator in Ball Valve Technology

Introduction

Mitsuharu Hashimoto is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of valve technology, particularly through his innovative designs and methods of fabrication. With a total of 5 patents to his name, Hashimoto has established himself as a key figure in the industry.

Latest Patents

One of Hashimoto's latest patents is a ball valve and methods of fabrication. This invention features a ball valve where a ball seat, made of synthetic resin, is mounted at each end of a flow passage within the ball. The sealing end portion of the ball seat only contacts the spherical surface of the ball when it is in the closed position. In the open position, the lip of the ball seat falls within a recess surrounding the end of the flow passage. A gap of 0.3 to 0.7 mm is created between the wall surface of the recess and the end of the lip when the valve is open. Additionally, the end of the lip is designed to fall about 0.2 mm inside an imaginary continuation of the surface of the ball at the recess when in the open position.

Career Highlights

Throughout his career, Mitsuharu Hashimoto has worked with prominent companies such as Sekisui Kagaku Kogyo Kabushiki Kaisha and Sekisui Kagaku Kogyo K.K. His work has been instrumental in advancing the technology behind ball valves, showcasing his expertise and innovative thinking.

Collaborations

Hashimoto has collaborated with notable individuals in his field, including Shinji Takeda and Masayoshi Odate. These partnerships have contributed to the development of his inventions and have helped to enhance the overall quality of his work.

Conclusion

Mitsuharu Hashimoto is a distinguished inventor whose contributions to ball valve technology have made a lasting impact. His innovative designs and methods of fabrication continue to influence the industry, showcasing the importance of creativity and collaboration in engineering.