Location History:
- Ohtawara, JP (1997 - 1998)
- Kodaira, JP (2002)
- Tokyo, JP (2002 - 2011)
Company Filing History:
Years Active: 1997-2011
Title: Innovations of Shuichi Onuma in Aircraft Tire Technology
Introduction
Shuichi Onuma is a notable inventor based in Tokyo, Japan, recognized for his contributions to the field of aircraft tire technology. With a total of five patents to his name, Onuma has made significant advancements that enhance the performance and durability of aircraft tires.
Latest Patents
One of his latest patents is for an aircraft pneumatic tire that features a cap tread layer and a base tread layer. This innovative design allows for deeper grooves without compromising the heat resistance of the top tread, thereby increasing the number of landings per tread. The tire's structure includes a two-layer design, with the base tread layer and cap tread layer stacked in a radial outward direction. Additionally, at least one circumferential groove is provided in the surface of the top tread, ensuring optimal performance. The relationships between the base tread rubber and cap tread rubber are defined by specific formulas that enhance the tire's functionality.
Another significant patent involves the manufacturing of a steel cord with a flat side surface portion, which is used in pneumatic tires. This process includes forming bends on each filament, twisting them while aligning the bends, and subjecting the cord side surfaces to compression processing. The resulting flat side surface portions allow for improved reinforcement in pneumatic radial tires, enhancing their overall strength and durability.
Career Highlights
Shuichi Onuma has worked with prominent companies in the tire industry, including Bridgestone Corporation and Bridgestone Metalpha Corporation. His experience in these organizations has contributed to his expertise in tire technology and innovation.
Collaborations
Onuma has collaborated with notable coworkers such as Naohiko Obana and Kazuto Fujita, further enriching his work in the field of tire innovation.
Conclusion
Shuichi Onuma's contributions to aircraft tire technology through his innovative patents demonstrate his commitment to enhancing safety and performance in aviation. His work continues to influence the industry and pave the way for future advancements.