This inventor holds 2 USPTO granted patents. Top assignee: Hitachi Construction Machinery Co., Ltd.. Active years: 2002-2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2002-2003
Title: Kazuhisa Ishida: Innovator in Hydraulic and Winch Technologies
Introduction
Kazuhisa Ishida is a notable inventor based in Tsuchiura, Japan. He has made significant contributions to the fields of hydraulic systems and winch technologies. With a total of 2 patents to his name, Ishida's work reflects a commitment to innovation and practical solutions in engineering.
Latest Patents
Ishida's latest patents include an "Overwinding Prevention Device for Winch" and a "Swivel Control Apparatus." The overwinding prevention device is designed to enhance safety in winch operations. It features a winch drum that responds to commands from an operating lever, a stop switch that activates when a hoisted object reaches a predetermined position, and a speed detection device that monitors the hoist speed. This invention aims to prevent accidents by controlling the drive speed of the winch drum based on the detected hoist speed.
The swivel control apparatus, on the other hand, incorporates a hydraulic pump and motor for swiveling. It includes a control valve that manages the flow of hydraulic oil, a pressure detection device, and a mode selection device that allows for different operational modes. This apparatus is designed to improve the efficiency and safety of hydraulic systems in various applications.
Career Highlights
Kazuhisa Ishida is currently employed at Hitachi Construction Machinery Co., Ltd. His work at this esteemed company has allowed him to develop and refine his innovative ideas. His contributions have been instrumental in advancing the technology used in construction machinery.
Collaborations
Ishida has collaborated with notable coworkers, including Kouji Funato and Masami Ochiai. Their teamwork has fostered an environment of creativity and innovation, leading to the development of advanced technologies in their field.
Conclusion
Kazuhisa Ishida's contributions to hydraulic and winch technologies demonstrate his dedication to innovation and safety. His patents reflect a deep understanding of engineering principles and a commitment to improving operational efficiency. Through his work at Hitachi Construction Machinery Co., Ltd., Ishida continues to influence the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile