This inventor holds 2 USPTO granted patents. Top assignees: Suncall Corporation, Kabushiki Kaisha Fuji Seisakusho, Kabushiki Kaisha Fujikihan. Active years: 1998-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Toyota, JP (1998)
- Kyoto, JP (2004)
Company Filing History:
2 out of 111 
1 out of 6 
1 out of 1 Years Active: 1998-2004
Title: Masaaki Ishida - Innovator in Fatigue-Resistant Spring Technologies
Introduction
Masaaki Ishida is a remarkable inventor based in Toyota, Japan, known for his innovative contributions to the field of fatigue-resistant spring technologies. With a total of two patents attributed to his name, he has made significant strides in enhancing the durability and performance of springs used in various applications.
Latest Patents
Masaaki Ishida's latest patents include groundbreaking inventions focused on improving spring properties and surface treatments. His first patent describes a spring with excellent fatigue endurance properties. This invention involves a method where hard metal particles, with a specific range of hardness (Hv 500 to 800) and size (500 to 900 µm), are integrated into the spring's nitrided outermost layer. The process is designed to prevent microcracks and enhance compression residual stress deep within the spring, ultimately leading to improved fatigue strength.
Another significant patent details a surface treatment method for steel workpieces utilizing high-speed shot peening. This technique significantly increases fatigue resistance by ejecting fine hard metal particles, ranging from 20 to 100 micrometers in diameter, onto the workpiece surface at high velocities exceeding 80 m/sec. The innovation ensures that the temperature during the process remains controlled to avoid detrimental effects on the steel's structural integrity.
Career Highlights
Ishida has held key positions in notable companies, including Suncall Corporation and Kabushiki Kaisha Fuji Seisakusho. His work in these organizations has allowed him to develop his expertise in spring technologies and surface treatments, ultimately leading to his innovative patents.
Collaborations
Throughout his career, Masaaki Ishida has collaborated with esteemed professionals in his field, including colleagues Yoshiro Yamada and Kazuhiro Uzumaki. Their collective expertise has undoubtedly contributed to the advancements in spring technology and fatigue resistance.
Conclusion
Masaaki Ishida's pioneering work in the field of fatigue-resistant spring technologies showcases the importance of innovation and collaboration in driving advancements in engineering. His patents not only reflect a significant contribution to the industry but also underscore the potential for continuous improvement in product performance and durability through inventive approaches.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile