Location History:
- Kagawa-ken, JP (1999 - 2001)
- Kagawa, JP (1996 - 2004)
- Sakaide, JP (1990 - 2006)
Company Filing History:
14 out of 29 
2 out of 3 
1 out of 10 Years Active: 1990-2006
Title: Eiichi Ishigaki: Innovator of Turbo Pumps and Waterjet Propulsion Systems
Introduction
Eiichi Ishigaki, based in Kagawa, Japan, is a notable inventor recognized for his significant contributions to the field of fluid dynamics and mechanical engineering. With a remarkable portfolio of 19 patents, his work has influenced various industries, particularly in the development of advanced turbopump systems and waterjet propulsion devices.
Latest Patents
Among his latest innovations, Ishigaki’s patents encompass cutting-edge designs that enhance turbine efficiency and operational reliability. His patent for a **Turbo Pump** is particularly noteworthy. This design provides a high-head and large-delivery turbopump with excellent suction performance and the ability to pass foreign matter. This is achieved through a unique configuration that integrates an inducer, axial flow vanes, and mixed flow vanes with centrifugal vanes. The progressive diameter-increased suction casing rear, combined with a specially configured impeller featuring two to four rotary vanes, exemplifies his innovative engineering approach.
Another significant patent is for a **Waterjet Propelling Device for Boats**. This invention involves rotary vanes that connect induction-joined axial-flow and mixed-flow vane portions to centrifugal vane portions, enhancing the efficiency and effectiveness of propulsion in watercraft. The unique design of the hub, which has both moderate and steep slope regions, integrates these vanes to optimize performance, showcasing Ishigaki's skills in fluid mechanics.
Career Highlights
Throughout his career, Eiichi Ishigaki has been associated with prominent companies such as Ishigaki Company Limited and Ishigaki Mechanical Industry Co., Ltd. His work at these institutions has allowed him to concentrate on the practical applications of his inventions, further solidifying his reputation as a leading figure in the field.
Collaborations
Collaborating with talented professionals like Kazumitsu Oura and Yukitoshi Mitani, Ishigaki has amplified his impact on the industry. Their combined expertise has fostered innovation and development in their respective projects, paving the way for groundbreaking inventions that have advanced the fields of mechanical engineering and fluid dynamics.
Conclusion
Eiichi Ishigaki's contributions to turbo pumps and waterjet propulsion systems illustrate the importance of innovation in mechanical engineering. With 19 patents to his name, his work not only reflects his dedication and creativity but also serves as an inspiration for future inventors. By continuously pushing the boundaries of design and efficiency, Ishigaki remains a significant force in the field of engineering, promising further advancements in the years to come.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.