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For the Inventor, By the Inventor

Hiratsuka, Japan

Masakazu Okihara

This inventor holds 8 USPTO granted patents. Top assignee: The Yokohama Rubber Co., Ltd.. Active years: 1992-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Okihara. Retrieved from https://idiyas.com/inventor/masakazu-okihara

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 4

Forward Citations = 35(Granted Patents)


Company Filing History:

goldMedal8 out of 2,770 
 
The Yokohama Rubber Co., Ltd.
 patents

Years Active: 1992-1995

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8 patents (USPTO):Explore Patents
1. 5386863 - Pneumatic tire and wheel with asymmetric structure (1995-02-07),
2. 5385192 - Pneumatic tire with different side wall thickness in tread-side and (1995-01-31),
3. 5373883 - Pneumatic radial tire for passenger car (1994-12-20),
4. 5372171 - Pneumatic tire with asymmetrical tread shoulders (1994-12-13),
5. 5343917 - Pneumatic radial tire for passenger car with defined tread depths (1994-09-06),
6. 5277239 - Pneumatic radial tire including at least one folded belt layer (1994-01-11),
7. 5221383 - Pneumatic tire having a carcass reinforced with a flat cord made of a (1993-06-22),
8. 5173137 - Pneumatic tire with improved durability of the bead portion (1992-12-22),

Title: Masakazu Okihara: Innovator in Pneumatic Tire Technology

Introduction

Masakazu Okihara is a prominent inventor known for his contributions to the field of pneumatic tire technology. He is based in Hiratsuka, Japan, and has been awarded a total of eight patents throughout his career. His innovative designs have significantly impacted the performance and efficiency of tires used in various applications.

Latest Patents

Okihara's latest patents include a pneumatic tire and wheel with an asymmetric structure. This design features a unique offset connection between the disc and rim, which enhances the tire's performance. The attenuation coefficient ratio is carefully set between 1.2 and 6.5, optimizing the tire's functionality. Another notable patent is for a pneumatic tire with different side wall thicknesses. This design ensures that the average thickness of the tread-side region is not less than 2.5 mm, while the bead-side region is set to less than 2.5 mm but not less than 1.0 mm. These innovations demonstrate Okihara's commitment to improving tire design and functionality.

Career Highlights

Masakazu Okihara has made significant strides in his career at The Yokohama Rubber Co., Ltd. His work has not only advanced the company's product offerings but has also contributed to the overall evolution of tire technology. His patents reflect a deep understanding of material science and engineering principles, which he applies to create effective solutions for modern challenges in the automotive industry.

Collaborations

Okihara has collaborated with notable colleagues such as Tomohiko Kogure and Yusaku Miyazaki. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies in the tire industry.

Conclusion

Masakazu Okihara's contributions to pneumatic tire technology exemplify his innovative spirit and dedication to excellence. His patents and collaborative efforts continue to shape the future of tire design, making him a key figure in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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