Location History:
- Kashiwazaki, JP (2007)
- Niigata, JP (2007)
- Tokyo, JP (2018)
Company Filing History:
Years Active: 2007-2018
Title: Ryou Obara: Innovator in Piston Ring Technology
Introduction
Ryou Obara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of piston ring technology, holding a total of 3 patents. His innovative designs focus on enhancing the performance and durability of piston rings in high-output engines.
Latest Patents
One of Ryou Obara's latest patents is a piston ring designed to prevent aluminum cohesion in high-output engines over extended periods. This piston ring features a silica-based coating with dispersed hard nanoparticles, achieving a Martens hardness of 1,000 to 8,000 N/mm. The hard nanoparticles used include carbon nanoparticles, nanodiamond particles, carbon nanotubes, or carbon nanofibers. Additionally, resin particles of a fluorine-based resin or a polyether-based resin may be incorporated into the coating.
Another significant patent involves a piston ring with a thermal spray coating. This coating consists of chromium carbide particles with an average particle size of 5 µm or less, combined with a matrix metal made of a Ni–Cr alloy. The thermal spray coating is engineered to have an average pore diameter of 10 µm or less and a porosity of 8% or less by volume. This innovation results in a piston ring that exhibits excellent wear resistance, scuffing resistance, and peeling resistance.
Career Highlights
Ryou Obara is associated with Kabushiki Kaisha Riken, a company known for its advancements in engineering and technology. His work has significantly impacted the automotive industry, particularly in enhancing engine performance through innovative piston ring designs.
Collaborations
Ryou Obara has collaborated with notable colleagues, including Katsumi Takiguchi and Yukio Hosotsubo. Their combined expertise has contributed to the development of advanced technologies in piston ring manufacturing.
Conclusion
Ryou Obara's contributions to piston ring technology exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to improving engine performance and durability, making him a key figure in the field.