Location History:
- Tokyo, JP (1984 - 2016)
- Kanagawa, JP (2022 - 2023)
- Yokohama, JP (2022 - 2024)
Company Filing History:
5 out of 4,631 
2 out of 7 
1 out of 651 Years Active: 1984-2024
Title: Kiyoshi Segawa: Innovator in Rotating Machinery
Introduction
Kiyoshi Segawa is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of rotating machinery, holding a total of eight patents. His innovative designs have advanced the efficiency and functionality of steam turbines and rotating machines.
Latest Patents
One of Segawa's latest patents is for an axial flow turbine. This steam turbine features a rotor and a plurality of movable blades, each consisting of a movable blade body and a shroud, arranged circumferentially at intervals. The casing includes a recessed section to accommodate the shroud, along with fins that create clearances from the outer circumferential surface of the shroud. Additionally, it has a stator blade support part located downstream of the recessed section and a series of stator blades arranged circumferentially. The design also incorporates an annular partition plate and a bypass flow passage that connects regions outside the partition plate and between the stator blades.
Another significant patent is for a rotating machine that includes a rotating body supported within a casing. This machine features a rotor blade fixed to the outer peripheral portion of the rotating body and a stator blade positioned downstream in the fluid flow direction. A sealing device is placed between the inner peripheral portion and the front end of the rotor blade. The design also includes a swirling flow generation chamber and guiding members that enhance the efficiency of the fluid flow.
Career Highlights
Kiyoshi Segawa has worked with prominent companies in the engineering sector, including Mitsubishi Heavy Industries Limited and Fukuda Denshi Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in rotating machinery.
Collaborations
Segawa has collaborated with notable colleagues such as Hisataka Fukushima and Chongfei Duan. Their combined expertise has contributed to the advancement of technology in their respective fields.
Conclusion
Kiyoshi Segawa's contributions to the field of rotating machinery through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in engineering.