Kani, Japan

Yoshikazu Hirota

This inventor holds 2 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Kyb Corporation. Active years: 2017-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshikazu Hirota. Retrieved from https://idiyas.com/inventor/yoshikazu-hirota

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

USPTO Granted Patents = 2 

% Patents Active = 50.0

 

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2017-2019

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2 patents (USPTO):Explore Patents

Title: Innovations of Yoshikazu Hirota

Introduction

Yoshikazu Hirota is a notable inventor based in Kani, Japan. He has made significant contributions to the field of engineering, particularly in the design of seal structures for crawler-driving apparatuses. With a total of 2 patents to his name, Hirota's work showcases his innovative approach to solving complex mechanical challenges.

Latest Patents

Hirota's latest patents include a unique seal structure designed to block clearances between a rotational casing and a fixed housing in crawler vehicles. This innovative design features a seal ring held in a first annular holding groove, along with a first O-ring that biases the seal ring outward. Additionally, a second holding groove in the rotational casing accommodates a slide ring with higher rigidity, complemented by a second O-ring that biases the slide ring toward the seal ring. This configuration effectively prevents foreign objects, such as mud, from invading the gear chamber without increasing frictional loss.

Career Highlights

Hirota is currently employed at Kyb Corporation, where he continues to develop and refine his inventions. His work has been instrumental in enhancing the performance and reliability of crawler vehicles, making significant strides in the industry.

Collaborations

Hirota has collaborated with talented coworkers, including Chikashi Imoto and Kazumi Ito. Their combined expertise has contributed to the successful development of innovative solutions in their field.

Conclusion

Yoshikazu Hirota's contributions to the engineering sector, particularly through his patented innovations, highlight his role as a leading inventor. His work not only addresses practical challenges but also paves the way for future advancements in crawler vehicle technology.

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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