Company Filing History:

24 out of 5,124

Bridgestone Corporation

patents

1 out of 504

Bridgestone Tire Company Limited

patents

Years Active: 1985-1998

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25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5827381 - Pneumatic radial tires including a tire component containing groups of (1998-10-27),

2. 5824171 - Pneumatic radial tires including a tire component containing groups of (1998-10-20),

3. 5766384 - Pneumatic radial tires including a tire component containing groups of (1998-06-16),

4. 5762733 - Pneumatic radial tires including a tire component containing groups of (1998-06-09),

5. 5465773 - Pneumatic radial tires with zigzag belt and rubberized cord ply belt (1995-11-14),

6. 5332016 - Pneumatic tires with sidewall recesses (1994-07-26),

7. 5271445 - Pneumatic tire including wave-shaped cords or filaments (1993-12-21),

8. 5261476 - Bead structure for pneumatic tire (1993-11-16),

9. 5253689 - Heavy duty radial tire carcass profile (1993-10-19),

10. 5225013 - Pneumatic radial tire including wavy or zigzag belt cords (1993-07-06),

11. 5205881 - Pneumatic tire for passenger car including wave-shaped belt reinforcing (1993-04-27),

12. 5205880 - Pneumatic tires with recesses in the bead region (1993-04-27),

13. 5203934 - Pneumatic radial tire with high durable bead portions (1993-04-20),

14. 5131447 - Pneumatic radial tire (1992-07-21),

15. 5082042 - Belt arrangement for high durable pneumatic radial tire (1992-01-21),

Title: Hiroyuki Koseki: Innovator in Pneumatic Radial Tires

Introduction

Hiroyuki Koseki, a prominent inventor based in Kodaira, Japan, has made significant contributions to the field of tire technology. With a remarkable portfolio of 25 patents, Koseki has focused on enhancing the durability and performance of pneumatic radial tires. His innovations have been pivotal in advancing tire design, particularly through the effective arrangement of reinforcing elements in tire construction.

Latest Patents

Among his recent innovations, Koseki's patent for a tire component used in pneumatic radial tires stands out. This invention involves a rubber-coated layer composed of a specific number of reinforcing elements arranged parallel to one another. Notably, at least 30% of these elements are grouped and spaced differently than those that are not grouped. This clever arrangement helps prevent cracking at the cut ends of the reinforcing elements, thus enhancing the tire's overall durability.

Career Highlights

Koseki's career is distinguished by his tenure at leading companies in the tire industry, including Bridgestone Corporation and Bridgestone Tire Company Limited. His work at these organizations has allowed him to apply his innovative ideas to real-world applications, leading to notable advancements in tire technology.

Collaborations

Throughout his career, Koseki has collaborated with esteemed colleagues such as Yoshihide Kohno and Yasuhiko Kobayashi. Together, they have worked on various projects that have propelled the industry forward, highlighting the importance of teamwork in the innovation process.

Conclusion

Hiroyuki Koseki's contributions to tire technology underline his role as a significant inventor in this field. With his impressive portfolio of patents and his collaborations with notable professionals, Koseki continues to influence the evolution of pneumatic radial tires, ensuring they meet the demands of modern vehicles and enhance road safety.

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