Nakashima, Japan

Ryoji Okumoto

This inventor holds 2 USPTO granted patents. Top assignee: Toyoda Gosei Co., Ltd.. Active years: 1985-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Okumoto. Retrieved from https://idiyas.com/inventor/ryoji-okumoto

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 23(Granted Patents)


Location History:

  • Nakashima, JP (1985)
  • Aichi, JP (1987)

Company Filing History:


Years Active: 1985-1987

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2 patents (USPTO):Explore Patents

Title: Ryoji Okumoto: Innovator in Mechanical Engineering

Introduction

Ryoji Okumoto is a distinguished inventor based in Nakashima, Japan. He has made significant contributions to the field of mechanical engineering, particularly through his innovative designs and patents. With a total of 2 patents, Okumoto has demonstrated his expertise and creativity in developing solutions that enhance mechanical performance.

Latest Patents

One of Okumoto's latest patents is the Mechanical Shaft Joint Boot. This invention features a polymeric elastomer boot equipped with bellows positioned between a large-diameter ring and a small-diameter ring. The design includes a first crest formed between the rings, with a second trough that has a smaller apical diameter than the first. This configuration allows the second trough to be pushed toward the small-diameter ring, reducing compression distortion and increasing the boot's durability during operation.

Another notable patent is the Cylinder-Head Cover Gasket. This gasket is designed to be inserted into a sealing groove defined by two plates of a cylinder-head cover. It features an upper projecting portion that engages with the wedge-shaped space of the sealing groove. The gasket fills the entire groove space, preventing it from running off into the wedge-shaped area, which results in improved sealing performance.

Career Highlights

Ryoji Okumoto is currently employed at Toyoda Gosei Co., Ltd., a company known for its advancements in automotive components and materials. His work at Toyoda Gosei has allowed him to apply his innovative ideas in practical applications, contributing to the company's reputation for quality and reliability in the industry.

Collaborations

Throughout his career, Okumoto has collaborated with talented individuals such as Toru Kuniyoshi and Mikio Ukai. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Ryoji Okumoto is a prominent figure in mechanical engineering, recognized for his innovative patents and contributions to the field. His work continues to influence the industry, showcasing the importance of creativity and collaboration in driving technological advancements.

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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