Company Filing History:
2 out of 1,142 
2 out of 530 
1 out of 193 
Years Active: 1998-2022
Title: Innovations of Hiroshi Tomaru
Introduction
Hiroshi Tomaru is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced turbopump technologies. With a total of 6 patents to his name, Tomaru's work has garnered attention in various industries.
Latest Patents
One of his latest patents is a rocket-engine turbopump. This innovative turbopump features a main shaft that is rotatably supported, a pump section with an impeller attached to one end, and a turbine section that includes a disk attached to the other end of the main shaft. The turbine section is equipped with rotor blades on the disk's outer periphery and nozzles that are inclined to the entrance plane of a blade cascade formed by the rotor blades. These nozzles have axisymmetric cross sections and are arranged in at least two rows along the circumferential direction of the main shaft in a plane orthogonal to the main shaft.
Another notable invention is an inducer and pump. The inducer consists of a hub and a blade that radially protrudes from the hub in a helical manner. It features a thick portion where the first and second distances coincide outside a specific height ratio of the blade. This design enhances the efficiency and performance of the pump.
Career Highlights
Hiroshi Tomaru has worked with several notable companies throughout his career. He has been associated with IHI Corporation, where he contributed to various engineering projects. Additionally, he has worked with Konami Digital Entertainment Co., Ltd., further showcasing his versatility and expertise in different fields.
Collaborations
Tomaru has collaborated with talented individuals such as Kazuhiro Kusuda and Yosuke Sasaki. These partnerships have allowed him to enhance his inventions and bring innovative solutions to the market.
Conclusion
Hiroshi Tomaru's contributions to engineering and technology are significant, with his innovative patents paving the way for advancements in rocket-engine turbopumps and pump designs. His work continues to inspire future inventors and engineers in the field.