Company Filing History:
1 out of 45 
1 out of 627 Years Active: 2005-2007
Title: Innovations by Masaaki Ehara: Pioneering Hydraulic Control Technologies
Introduction: Masaaki Ehara, an inventive mind hailing from Akashi, Japan, has made notable contributions to the field of hydraulic technologies. With a portfolio of two patents, his work primarily focuses on enhancing the efficiency and safety of hydraulic systems, particularly in cranes and winches.
Latest Patents: Ehara’s patented creations include a "Control Device for Hydraulic Winch" and a "Hydraulic Circuit for a Crane." The control device optimizes the operation of hydraulic motors, effectively preventing overloads by maintaining control through a regulator. The system allows for quick recovery of motor capacity after being shut off, significantly improving control response during the winding-up process. Conversely, his hydraulic circuit invention addresses the challenges encountered during the simultaneous operation of motor circuits within crane systems. By implementing a switching valve, this circuit prevents pressure interference, enabling motor circuits to be driven by separate hydraulic sources without the need for additional hydraulic systems.
Career Highlights: Masaaki Ehara has held significant roles in renowned companies such as Kobelco Cranes Co., Ltd. and Kobelco Construction Machinery Co., Ltd., where he applied his expertise in hydraulic technology to develop innovative solutions that enhance operational capabilities.
Collaborations: Throughout his career, Ehara has collaborated with esteemed professionals in the field, including Koichi Shimomura and Katsuki Yamagata. These collaborations have likely enriched his inventions and allowed for the sharing of valuable insights and expertise.
Conclusion: Masaaki Ehara continues to be a significant player in the realm of hydraulic innovations. His patents demonstrate a commitment to improving the functionality and safety of hydraulic machinery, reflecting his ingenuity and professional dedication to advancing technology in the construction and crane sectors.