Ibaraki, Japan

Ken Ishihara

This inventor holds 1 USPTO granted patent. Top assignees: Nissan Motor Company Limited, The Toyo Rubber Co., Ltd.. Active years: 1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ken Ishihara. Retrieved from https://idiyas.com/inventor/ken-ishihara-n35n94nt

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1979

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1 patent (USPTO):Explore Patents

Title: Ken Ishihara: Innovator in Tire Technology

Introduction

Ken Ishihara is a notable inventor based in Ibaragi, Japan. He is recognized for his innovative contributions to tire technology, particularly in the development of a pneumatic tire with an internal damage indicator. His work has significantly impacted the automotive industry, enhancing safety and performance.

Latest Patents

Ken Ishihara holds 1 patent for his invention titled "Pneumatic tire with an internal damage indicator." This innovative design features projections made of a different and less abrasion-resistant type of rubber compared to the exterior of the tire. These projections are strategically arranged to contact the road during low-pressure conditions. The amount of rubber worn off serves as an indicator of the fatigue accumulated and the degree of internal damage sustained by the tire when operated at low pressure.

Career Highlights

Throughout his career, Ken Ishihara has worked with prominent companies in the automotive sector. He has been associated with Nissan Motor Company Limited and The Toyo Rubber Co., Ltd. His experience in these organizations has allowed him to apply his inventive skills to real-world applications, contributing to advancements in tire technology.

Collaborations

Ken has collaborated with notable colleagues, including Keiichiro Yabuta and Nagayuki Marumo. Their combined expertise has fostered an environment of innovation and creativity, leading to significant developments in their respective fields.

Conclusion

Ken Ishihara's contributions to tire technology exemplify the importance of innovation in enhancing safety and performance in the automotive industry. His patent for a pneumatic tire with an internal damage indicator showcases his commitment to improving vehicle safety.

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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