Location History:
- Kyoto, JP (2006)
- Nagaokakyo, JP (2003 - 2010)
- Nagakakyo, JP (2010)
Company Filing History:
3 out of 22 
2 out of 4,631 
Years Active: 2003-2010
Title: Kazuhito Kawashima: Innovator in Hydraulic Lift Technology
Introduction
Kazuhito Kawashima is a notable inventor based in Nagakakyo, Japan. He has made significant contributions to the field of hydraulic lift technology, particularly for battery-operated industrial trucks. With a total of four patents to his name, Kawashima's work focuses on enhancing energy efficiency in hydraulic systems.
Latest Patents
Kawashima's latest patents include an energy recovering system for hydraulic lift devices used in 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. Another patent details an energy recovering method and system that prevents pressure pulsation in the working oil, further enhancing energy efficiency. This system includes a lift cylinder, an electric motor powered by a battery, and a hydraulic pump that supplies pressurized oil to the lift cylinder.
Career Highlights
Throughout his career, Kawashima has worked with prominent companies such as Nippon Yusoki Co., Ltd. and Mitsubishi Heavy Industries Limited. His experience in these organizations has contributed to his expertise in hydraulic systems and energy recovery technologies.
Collaborations
Kawashima has collaborated with notable colleagues, including Kensuke Futahashi and Hiroshi Satou. Their combined efforts have led to advancements in hydraulic lift technology and energy recovery systems.
Conclusion
Kazuhito Kawashima's innovative work in hydraulic lift technology has significantly impacted the efficiency of battery-operated industrial trucks. His patents reflect a commitment to improving energy recovery systems, showcasing his expertise and dedication to innovation.