Location History:
- Kodaira, JP (1998 - 2014)
- Tokyo, JP (1999 - 2018)
Company Filing History:
Years Active: 1998-2018
Title: The Innovative Mind of Hidefumi Kotsubo: Pioneering Non-Pneumatic Tire Technology
Introduction: Hidefumi Kotsubo, based in Kodaira, Japan, is a prominent inventor recognized for his contributions to tire technology. With an impressive portfolio of 23 patents, Kotsubo has made significant strides in engineering, particularly in the development of non-pneumatic tire systems. His inventive solutions represent a fusion of practicality and advanced material science, aiming to enhance the durability and performance of tires used in various applications.
Latest Patents: Among Kotsubo's latest inventions is a groundbreaking non-pneumatic tire design. The tire comprises an attachment body affixed to an axle and features a ring member with an inner rim fitted onto the attachment body, alongside an outer rim that encircles the inner rim. A collection of connecting members is strategically positioned between the inner and outer rims, creating a resilient structure. Notably, these components are crafted from a synthetic resin material characterized by a bending modulus of elasticity of 300 MPa or more, as established through a three-point bending test in accordance with International Standard ISO 178. Additionally, Kotsubo's design ensures that the material exhibits a breaking strain of 3% or more when subjected to a tension test per ISO 527-1 and 2.
Kotsubo has also developed another version of the non-pneumatic tire, featuring similar structural components, where the composite materials utilized have a bending modulus exceeding 300 MPa and a deflection temperature under load of 62°C or more, according to ASTM D648 standards. This innovation underscores his commitment to advancing tire technology and improving vehicle safety.
Career Highlights: Hidefumi Kotsubo's career is marked by his association with Bridgestone Corporation, a leading name in tire manufacturing and technology. His work within the company has allowed him to focus on the cutting edge of tire innovation. With his extensive knowledge and expertise, Kotsubo has positioned himself as a key player in developing solutions that address the evolving needs of the automotive industry.
Collaborations: Throughout his career, Kotsubo has collaborated with esteemed colleagues such as Yasuhiro Morimura and Itsuo Tanuma. Their collective efforts have fostered an environment of innovation, enabling the development of new technologies and improving existing systems within the realm of non-pneumatic tires.
Conclusion: Hidefumi Kotsubo stands out as an exceptional inventor whose work continues to impact tire technology significantly. His commitment to innovation is evident in his comprehensive patent portfolio, particularly in the realm of non-pneumatic tires. As he advances the field through collaboration and creative engineering, Kotsubo's contributions promise to shape the future of tire design and safety for years to come.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.