This inventor holds 1 USPTO granted patent and 2 published patent applications and 1 EPO patent. Top assignees: Kabushiki Kaisha Riken, Mitsubishi Heavy Industries Limited. Active years: 2025.
Company Filing History:
1 out of 220 
1 out of 4,736 
Years Active: 2025
Title: Yuichi Kihara: Innovator in Piston Ring Technology
Introduction
Yuichi Kihara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in the development of piston ring technology. His innovative designs have the potential to enhance the efficiency of various mechanical systems.
Latest Patents
Kihara holds a patent for a piston ring and booster pump. This invention includes a low-pressure side ring and a high-pressure side ring, arranged in a stacked configuration along the axis. The high-pressure side ring is positioned closer to the fluid being compressed. The low-pressure side ring features a rotation restriction part to limit circumferential movement relative to the piston. Additionally, the high-pressure side ring has a rotation restriction part and a protrusion that fits into a low-pressure side abutment, allowing for precise operation with clearances on both sides.
Career Highlights
Throughout his career, Yuichi Kihara has worked with prominent companies such as Mitsubishi Heavy Industries Limited and Kabushiki Kaisha Riken. His experience in these organizations has allowed him to refine his skills and contribute to various engineering projects.
Collaborations
Kihara has collaborated with talented individuals in the field, including Hideaki Asai and Motoshi Harada. These partnerships have fostered innovation and the exchange of ideas, further enhancing the quality of his work.
Conclusion
Yuichi Kihara's contributions to piston ring technology exemplify his dedication to engineering innovation. His patent and career achievements reflect his expertise and commitment to advancing mechanical systems.