This inventor holds 3 USPTO granted patents. Top assignees: Hitachi, Ltd., Other. Active years: 2001-2003.
Location History:
- Niihari-gun, JP (2001)
- Chiyoda-machi, JP (2003)
- Chiyoda, JP (2003)
Company Filing History:

Years Active: 2001-2003
Title: Hitoharu Kimura: Innovator in Turbo Machines and Pumps
Introduction
Hitoharu Kimura is a notable inventor based in Chiyoda-machi, Japan. He has made significant contributions to the field of turbo machines and pumps, holding a total of 3 patents. His innovative designs have advanced the efficiency and functionality of these essential mechanical devices.
Latest Patents
One of Kimura's latest patents involves a turbo machine that features an impeller with multiple blades and a specially designed casing. This casing includes a flow surface with grooves that connect the inlet side of the impeller to the area where the blades reside. Each groove is oriented axially and has a width that is equal to or greater than its depth. This design enhances the performance of the turbo machine by optimizing fluid flow.
Another significant patent is for a pump that comprises an impeller with blades and a casing that stores the impeller. The inner surface of the casing features shallow grooves aligned with the pressure gradient of the fluid. This innovative design allows the fluid to flow in a reverse direction when the flow rate is low, effectively managing pressure and improving efficiency. The outlet angle of the blades is strategically set between 30 to 90 degrees, and front guide vanes are included to direct the flow into the axial direction of the pump.
Career Highlights
Throughout his career, Hitoharu Kimura has worked with prominent companies, including Hitachi, Ltd. His experience in these organizations has contributed to his expertise in the development of advanced mechanical systems.
Collaborations
Kimura has collaborated with notable colleagues such as Junichi Kurokawa and Takahide Nagahara. Their combined efforts have fostered innovation and progress in their respective fields.
Conclusion
Hitoharu Kimura's contributions to turbo machines and pumps exemplify his innovative spirit and technical expertise. His patents reflect a commitment to enhancing mechanical efficiency and functionality.