Location History:
- Tokyo, JP (2000 - 2001)
- Kanagawa, JP (2011)
- Oiwake, JP (2013)
- Owake, JP (2014)
- Kanagawa-ken, JP (2014)
- Hiratsuka, JP (1998 - 2023)
Company Filing History:
25 out of 2,760 
1 out of 156 Years Active: 1998-2023
Title: Innovator Kazuto Yamakawa: Pioneering Advances in Automotive and Tire Technology
Kazuto Yamakawa is a renowned inventor based in Hiratsuka, Japan, holding an impressive portfolio of 25 patents. His innovative work primarily focuses on the automotive industry, specifically in developing efficient air conditioning systems and advanced tire technologies.
Latest Patents
One of Yamakawa's notable recent inventions is a piping system for air conditioners installed in vehicles. This invention aims to achieve appropriate weight reduction while maintaining adequate pressure resistance within the piping system. The design involves a circulation path that connects various components of the air conditioner in a unique annular shape to efficiently circulate refrigerant. A significant aspect of this invention is the use of resin hose or resin pipe embedded with non-metal reinforcing materials, ensuring that at least 50% of the total length of the pipe bodies constituting the circulation path comprises these innovative materials.
In addition, Yamakawa has made substantial contributions to tire technology, particularly through a patent for a pneumatic tire. This tire utilizes a tread part made from a rubber composition that includes a high silica-content rubber. The formulation has a precise balance of filler and softening agent, significantly enhancing the tire's performance. The durometer hardness measured at 20°C ranges from 65 to 76, ensuring durability and resilience.
Career Highlights
Throughout his career, Kazuto Yamakawa has collaborated with prominent companies, notably the Yokohama Rubber Co., Ltd. and Gunze Limited, contributing to significant advancements in rubber and automotive technologies. His expertise in the field has established him as a key figure in innovative design and engineering solutions.
Collaborations
Yamakawa has worked alongside notable professionals, including Jiro Watanabe and Daisuke Kanenari. These collaborations have fostered a creative environment that has led to numerous innovations and improvements in automotive components and materials.
Conclusion
Kazuto Yamakawa's inventive spirit and dedication to improving automotive technology have resulted in notable contributions to both air conditioning systems and tire advancements. His work not only showcases his ingenuity but also emphasizes the importance of innovation in enhancing vehicle performance and safety. As he continues to push the boundaries of technology, Yamakawa remains a vital figure in the world of inventors.
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.