Location History:
- Oaza Shimoinayoshi, JP (1982)
- Ibaraki, JP (1992 - 1996)
- Ibaraki-ken, JP (1997 - 2000)
- Niihari-gun, JP (2001)
- Chiyoda, JP (2003)
- Chiyoda-machi, JP (2003)
Company Filing History:
10 out of 42,517 
2 out of 832,912 Years Active: 1982-2003
Title: The Innovative Contributions of Sumio Sudo
Introduction
Sumio Sudo is a prominent inventor based in Ibaraki-ken, Japan. He has made significant contributions to the field of turbo-type machines, holding a total of 12 patents. His work has advanced the design and functionality of these machines, showcasing his expertise and innovative spirit.
Latest Patents
One of Sumio Sudo's latest patents involves a turbo-type machine that features a casing storing an impeller. This design includes a number of grooves formed on the inner surface of the casing, which are strategically placed in the direction of the pressure gradient of fluid. The grooves, numbering between 80 to 150 pieces, cover a total width of 30% to 50% of the peripheral length of the casing. Additionally, the cross-sectional area of the grooves where the blades exist is larger than that of the grooves outside this area. This innovative design helps suppress cavitation and stabilizes the characteristic curve of the machine.
Another notable patent describes a turbo machine that comprises an impeller with multiple blades and a casing with a defined flow surface. The grooves in the flow surface connect the inlet side of the impeller to the area where the blades reside. Each groove is designed with specific dimensions, ensuring that the width is equal to or greater than its depth, which enhances the machine's efficiency.
Career Highlights
Throughout his career, Sumio Sudo has worked with notable companies, including Hitachi, Ltd. His experience in these organizations has contributed to his development as an inventor and has allowed him to refine his innovative ideas.
Collaborations
Sumio Sudo has collaborated with several talented individuals in his field, including Masayuki Yamada and Saburo Maru. These collaborations have likely fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Sumio Sudo's contributions to the field of turbo-type machines demonstrate his innovative capabilities and commitment to advancing technology. His patents reflect a deep understanding of engineering principles and a desire to improve machine performance.