Location History:
- Shizuoka, JP (1999 - 2000)
- Toyohashi, JP (2001)
- Shizuoka-ken, JP (2011)
- Fukuroi, JP (1999 - 2012)
Company Filing History:
Years Active: 1999-2012
Title: Tsuyoshi Hirayanagi: Innovator in Clutch Technology
Introduction
Tsuyoshi Hirayanagi is a notable inventor based in Fukuroi, Japan. He has made significant contributions to the field of clutch technology, holding a total of 10 patents. His innovative designs have advanced the functionality and efficiency of wet-type multiplate clutches.
Latest Patents
Hirayanagi's latest patents include a friction plate for a wet-type multiplate clutch. This friction plate features a core plate with friction linings bonded on opposite sides. Each friction lining is composed of multiple segment pieces, each equipped with at least one first oil groove and one second oil groove. The first oil groove opens to the radially-inner side of the segment piece, while the second oil groove opens to the radially-outer side. Additionally, each segment piece includes at least one press-formed oil groove and one punched-out oil groove, enhancing the clutch's performance.
Another significant patent is the friction plate for a wet multi-plate clutch. In this design, segment pieces of friction material are bonded onto a core plate at intervals in a circumferential direction. Each segment piece features a first oil groove that opens to the inside-diameter side and a second oil groove that opens to the outside-diameter side. The arrangement of pressure molded and stamped segment pieces alternates, optimizing the clutch's functionality.
Career Highlights
Throughout his career, Hirayanagi has worked with prominent companies, including NSK-Warner K.K. and NSK-Warner Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to the development of advanced clutch technologies.
Collaborations
Hirayanagi has collaborated with notable coworkers such as Shigeki Umezawa and Masahiro Kobayashi. Their teamwork has fostered innovation and led to the successful development of various clutch technologies.
Conclusion
Tsuyoshi Hirayanagi's contributions to clutch technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative designs continue to influence the industry and improve the performance of wet-type multiplate clutches.
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.