Location History:
- Saitama, JP (2006)
- Tokyo, JP (2010 - 2023)
Company Filing History:
10 out of 538 
1 out of 9 
1 out of 1 Years Active: 2006-2023
Title: Hidetoshi Kasahara: Innovator in Seal Ring Technology
Introduction
Hidetoshi Kasahara is a prominent inventor based in Tokyo, Japan, known for his significant contributions to seal ring technology. With a total of 12 patents to his name, he has made remarkable advancements in the field, particularly in enhancing lubrication performance across various rotation speeds.
Latest Patents
Among his latest innovations is a seal ring designed to provide stable lubrication performance across a wide range of rotation speeds. This seal ring is specifically engineered to seal the clearance between a rotary shaft and a housing. It features inclined grooves formed at the sliding surface, arranged in a circumferential direction, which are open on the outer diameter side of the seal ring to generate drawing pressure. Additionally, the seal ring includes supply grooves that are open on the sealed fluid side and extend radially outward toward the inner diameter sides of the inclined grooves. Another notable patent involves a seal ring that incorporates multiple static pressure grooves at the sliding surface, arranged in a circumferential direction. These static pressure grooves are open on the sealed fluid side and closed on the outer diameter side, with a circumferential length shorter than the radial length of each groove.
Career Highlights
Hidetoshi Kasahara has worked with notable companies such as Eagle Industry Co., Ltd. and Eagle Engineering Aerospace Co., Ltd. His work in these organizations has allowed him to develop and refine his innovative seal ring technologies, contributing to advancements in various engineering applications.
Collaborations
Throughout his career, Hidetoshi has collaborated with talented individuals, including Yuichiro Tokunaga and Wataru Kimura. These collaborations have fostered a creative environment that has led to the development of cutting-edge technologies in the field of seal rings.
Conclusion
Hidetoshi Kasahara's contributions to seal ring technology have significantly impacted the industry, showcasing his innovative spirit and dedication to engineering excellence. His patents reflect a deep understanding of lubrication performance and mechanical design, making him a key figure in this specialized field.