Company Filing History:
2 out of 4,631 
1 out of 22 Years Active: 2010
Title: Keizo Ogino: Innovator in Energy Recovery Systems
Introduction
Keizo Ogino is a notable inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of energy recovery systems, particularly in hydraulic lift devices for battery-operated industrial trucks. With a total of two patents to his name, Ogino's work focuses on enhancing energy efficiency in industrial applications.
Latest Patents
Ogino's latest patents include an "Energy Recovering System of Hydraulic Lift Device for Battery Operated Industrial Trucks." This innovative system allows working oil to be supplied to other hydraulic actuators while the energy recovery operation is performed by the hydraulic lift device. The design increases energy recovery efficiency by utilizing a hydraulic motor to recover pressurized working fluid from a lift cylinder. This fluid is then directed to a working fluid reservoir tank, driving an electric motor that powers a hydraulic pump.
Another significant patent is the "Energy Recovering Method and System in Hydraulic Lift Device of Battery Operated Industrial Trucks." This system prevents pressure pulsation in the working oil while enhancing energy recovery efficiency. It features a lift cylinder for lifting a fork, an electric motor powered by a battery, and a hydraulic pump that supplies pressurized oil to the lift cylinder. The controller manages the control valve's opening and the electric motor's rotation speed, allowing for the recovery of potential energy when a load is lowered.
Career Highlights
Throughout his career, Keizo Ogino has worked with prominent companies such as Mitsubishi Heavy Industries Limited and Nippon Yusoki Co., Ltd. His experience in these organizations has contributed to his expertise in hydraulic systems and energy recovery technologies.
Collaborations
Ogino has collaborated with notable coworkers, including Kensuke Futahashi and Hiroshi Satou. Their combined efforts have further advanced the development of innovative solutions in the field of hydraulic lift devices.
Conclusion
Keizo Ogino's contributions to energy recovery systems in hydraulic lift devices demonstrate his commitment to innovation and efficiency in industrial applications. His patents reflect a deep understanding of hydraulic mechanics and energy management, positioning him as a key figure in this technological domain.