This inventor holds 4 USPTO granted patents. Top assignees: Bridgestone Tire Company Limited, Japan Synthetic Rubber Co., Ltd.. Active years: 1977-1980.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Murayama, JA (1977)
- Kodaira, JP (1978 - 1980)
Company Filing History:


Years Active: 1977-1980
Title: **Inventor Michio Ishii: Innovating Tire Technology**
Introduction
Michio Ishii, a talented inventor based in Murayama, Japan, has made significant contributions to the field of tire technology through his innovative patents. With a total of four patents to his name, he is known for his advancements in materials that enhance tire performance and durability.
Latest Patents
Ishii's most recent patents focus on a new polyurethane tire filling material that incorporates a plasticizer to improve resilience. Notably, one of his patents details a tire filling material produced by curing a mixture of a soft polyurethane elastomer that contains an isocyanurate ring. This elastomer is created by reacting polyoxypropylene polyol with an OH equivalent molecular weight ranging from about 500 to 3,000, along with a polyisocyanate compound in the presence of a tertiary amine catalyst. In some cases, an organic tin catalyst may also be included. The resulting material offers several advantages, including efficient material control during the curing reaction, low exothermicity, and high thermal stability. The performance of this polymer is further enhanced by using an ethylene oxide addition polyoxypropylene polyol in combination with specific catalysts, making it particularly suitable for tire filling applications.
Career Highlights
Throughout his career, Michio Ishii has collaborated with esteemed companies such as Bridgestone Tire Company Limited and Japan Synthetic Rubber Co., Ltd. His work with these organizations has significantly impacted tire design and material science, leading to innovations that improve tire resilience and safety.
Collaborations
Ishii has worked alongside talented colleagues, including Yoji Watabe and Yutaka Iseda. Their teamwork has fostered an environment of mutual inspiration and creativity, contributing to the success of their innovative projects.
Conclusion
With his groundbreaking work and dedication to enhancing tire technology, Michio Ishii has established himself as a prominent figure in the field of materials engineering. His innovative patents continue to influence the industry, ensuring safer and more resilient tires for vehicles worldwide.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile