Location History:
- Saitama, JP (2006)
- Tokyo, JP (2010 - 2023)
Company Filing History:
7 out of 536 
3 out of 9 Years Active: 2006-2023
Title: Innovations of Jun Hiromatsu
Introduction
Jun Hiromatsu is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in the design of seal rings. With a total of 10 patents to his name, Hiromatsu's work has been influential in enhancing lubrication performance in various applications.
Latest Patents
One of 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 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 patent involves a similar seal ring that incorporates multiple static pressure grooves at the sliding surface, which are 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
Throughout his career, Jun Hiromatsu has worked with prominent companies such as Eagle Industry Co., Ltd. and Eagle Engineering Aerospace Co., Ltd. His expertise in seal ring technology has made him a valuable asset in these organizations.
Collaborations
Hiromatsu has collaborated with several talented individuals in his field, including Hidetoshi Kasahara and Wataru Kimura. Their combined efforts have contributed to the advancement of innovative solutions in engineering.
Conclusion
Jun Hiromatsu's contributions to the field of engineering, particularly through his innovative seal ring designs, have established him as a prominent inventor. His work continues to influence the industry and improve lubrication performance in various applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.