Location History:
- Kashiwa, JP (1990)
- Ibaraki, JP (1987 - 1996)
- Ibaraki-ken, JP (1999 - 2001)
- Tsuchiura, JP (2007)
Company Filing History:
8 out of 1,504 
1 out of 4 Years Active: 1987-2007
Title: Nobuhiko Ichiki: Innovator in Electro-Hydraulic Control Systems
Introduction
Nobuhiko Ichiki is a prominent inventor based in Ibaraki-ken, Japan. He has made significant contributions to the field of electro-hydraulic control systems, holding a total of 9 patents. His innovative designs have advanced the functionality and efficiency of hydraulic systems in various applications.
Latest Patents
One of Ichiki's latest patents is a joystick for an electro-hydraulic control system. This joystick features a rotary potentiometer with a pivotable arm that responds to user input. The design includes a torsion coil spring that maintains the arm in a neutral position, enhancing user control. Another notable patent is a directional control valve device, which incorporates a recovery check valve and a piston valve. This device allows for efficient hydraulic fluid management, ensuring that the size of the valve apparatus remains compact while maintaining functionality.
Career Highlights
Ichiki has worked with notable companies such as Hitachi Construction Machinery Co., Ltd. and Hitachi Construction Machinery. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in hydraulic technology.
Collaborations
Ichiki has collaborated with talented individuals in his field, including Kinya Takahashi and Yusaku Nozawa. These partnerships have fostered innovation and the development of cutting-edge technologies.
Conclusion
Nobuhiko Ichiki's work in electro-hydraulic control systems exemplifies his dedication to innovation and engineering excellence. His patents reflect a commitment to improving hydraulic technology, making him a noteworthy figure in the industry.