This inventor holds 3 USPTO granted patents. Top assignees: Hitachi, Ltd., Other. Active years: 1987-2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 42,731 
1 out of 834,513 Years Active: 1987-2003
Title: Kiyoshi Fukatsu: Innovator in Scroll Compressor Technology
Introduction
Kiyoshi Fukatsu is a notable inventor based in Shimizu, Japan. He has made significant contributions to the field of compressor technology, particularly through his innovative designs and patents. With a total of three patents to his name, Fukatsu has demonstrated a commitment to enhancing the efficiency and functionality of scroll compressors.
Latest Patents
Fukatsu's latest patents include a scroll compressor featuring an Oldham's ring that contains silicon particles. This improved scroll compressor consists of a fixed scroll and an orbiting scroll, along with an Oldham's coupling that allows for orbital movement. The Oldham's ring is designed with sliding surfaces made from a base material containing silicon particles, which enhances wear resistance. The optimal ratio of silicon portions with flat surfaces to the entire sliding area is maintained between 3% to 20%, ideally 5% to 15%.
Another significant patent is for a sealed type scroll compressor equipped with a wire mesh oil separating member. This design includes a scroll compressor section, an electric motor, and a sealed container. The wire mesh member improves oil separation from refrigerant gas, allowing oil to collect and drop into storage while the gas is discharged cleanly from the compressor.
Career Highlights
Fukatsu has worked with prominent companies, including Hitachi, Ltd. His experience in these organizations has contributed to his expertise in compressor technology and innovation.
Collaborations
Fukatsu has collaborated with notable coworkers such as Naoshi Uchikawa and Yasuro Ohishi. Their combined efforts have likely fostered advancements in the field of compressor design and functionality.
Conclusion
Kiyoshi Fukatsu's contributions to scroll compressor technology through his innovative patents highlight his role as a significant inventor in this field. His work continues to influence the efficiency and effectiveness of compressor systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile