Location History:
- Tokyo, JP (1989 - 1991)
- Niihari-gun, JP (2006)
- Chiyoda-ku, JP (2009)
- Ishioka, JP (2010 - 2012)
- Hitachinaka, JP (2019 - 2020)
Company Filing History:
5 out of 42,496 
2 out of 31 
2 out of 2,028 
Years Active: 1989-2020
Title: **Eiichi Kubota: Innovator in Fluid Control Technology**
Introduction
Eiichi Kubota, a notable inventor hailing from Hitachinaka, Japan, has made significant contributions to the field of fluid control systems. With a total of seven patents to his name, he has demonstrated a strong commitment to innovation in engineering and technology. His work primarily focuses on enhancing fuel supply systems and controlling flow rates with remarkable precision.
Latest Patents
Among his latest patents, two stand out for their technological advancements:
1. **Flow Rate Control Valve**
This invention enhances the responsiveness of an electromagnetic flow-rate control valve designed for closing a suction valve. It efficiently manages discharge flow rates to desired values. The design incorporates a fixed core situated on the inner circumferential side of a coil, a yoke on the outer side, and a cover portion facing the coil. Notably, the fixed core features an enlarged portion that contacts the cover axially, while the cover's movement is regulated by this contact with the fixed core.
2. **Fuel Rail and Method of Manufacturing Same**
This patent addresses the need for fuel rails capable of withstanding high pressures of 50 MPa or more. The design improves engine mountability and material yield. The fuel rail consists of a main pipe extending longitudinally with several distribution pipe portions branching off in a cross direction. The fuel compressed by a pump flows through a seamless configuration of main pipe holes and distribution pipe holes that do not have any joints, enhancing reliability and efficiency.
Career Highlights
Eiichi Kubota has had a notable career, prominently working with respected companies such as Hitachi, Ltd. and Hitachi Automotive Systems, Ltd. His experiences in these organizations have played a critical role in shaping his innovative approach to engineering and fluid dynamics.
Collaborations
Throughout his career, Kubota has collaborated with talented individuals, including Masahiko Hayatani and Keiichi Uraki. These partnerships have not only fostered creativity but have also led to the successful development and patenting of several innovative technologies.
Conclusion
Eiichi Kubota's contributions to fluid control technology exemplify the impact of dedicated inventors in advancing engineering innovations. With his numerous patents and successful collaborations, Kubota continues to shape the industry, ensuring that efficiency and reliability in fuel systems are at the forefront of modern engineering solutions.