Location History:
- Dejima-mura, JP (1999)
- Ibariki, JP (1999)
- Ibaraki-ken, JP (1998 - 2000)
- Kasumigaura, JP (2011 - 2013)
Company Filing History:
Years Active: 1998-2013
Title: Youichi Kowatari: Innovator in Hydraulic System Control
Introduction
Youichi Kowatari, based in Kasumigaura, Japan, is a prominent inventor with a remarkable portfolio of 11 patents. His contributions to hydraulic system control have significantly advanced technology in various applications, especially in the construction and vehicle industries.
Latest Patents
One of his latest innovations is the "Prime mover rotation speed control system for hydraulically driven vehicle." This system includes a hydraulic pump driven by a prime mover and a hydraulic motor that is powered by pressure oil from the hydraulic pump. The invention features an operation member that provides a travel command based on user operation. Additionally, there is a flow control device that manages the flow of pressure oil to enhance the performance of the hydraulic motor. This system also incorporates a target rotation number outputting device to control the prime mover's speed based on travel commands, ensuring efficient and responsive vehicle operation.
Kowatari has also developed a "Pump torque control system for hydraulic construction machine," which effectively prevents hunting caused by the interactions between speed sensing control and engine speed control in low hydraulic fluid temperature conditions. This system includes a regulator that sets a maximum absorption torque and features sophisticated modifications to control gain based on detected hydraulic temperature, optimizing performance and reliability.
Career Highlights
Youichi Kowatari is affiliated with Hitachi Construction Machinery Co., Ltd., where he applies his engineering expertise to design innovative hydraulic systems. His career is marked by a dedication to improving the efficiency and functionality of hydraulic machinery, which is crucial for construction and heavy equipment operations.
Collaborations
Throughout his career, Kowatari has collaborated with talented colleagues, including Kouji Ishikawa and Toichi Hirata. These partnerships have fostered an environment of creativity and innovation, further propelling advancements in hydraulic technology.
Conclusion
Youichi Kowatari stands out as an influential inventor in the field of hydraulic systems. His patents demonstrate a deep understanding of engineering principles and a commitment to developing technologies that enhance the performance of vehicles and machinery. With ongoing contributions to his field, Kowatari continues to inspire future innovations in hydraulic control systems.
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.