Kitaibaraki, Japan

Wataru Tokunaga

This inventor holds 4 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Nok Corporation. Active years: 2015-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wataru Tokunaga. Retrieved from https://idiyas.com/inventor/wataru-tokunaga

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

USPTO Granted Patents = 4 

% Patents Active = 100.0


Average Co-Inventor Count = 3.1

ph-index = 1

Forward Citations = 5(Granted Patents)


Location History:

  • Kitaibaraki, JP (2015 - 2016)
  • Ibaraki, JP (2020)

Company Filing History:


Years Active: 2015-2020

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4 patents (USPTO):Explore Patents

Title: Wataru Tokunaga: Innovator in Sealing Technology

Introduction

Wataru Tokunaga is a prominent inventor based in Kitaibaraki, Japan. He has made significant contributions to the field of sealing technology, holding a total of 4 patents. His innovative designs focus on enhancing the efficiency and reliability of sealing devices.

Latest Patents

One of his latest patents is a sealing apparatus that features an annular lip member made of resin and an annular spring member made of metal. This apparatus includes a lip base portion, an outer-periphery-side lip, and an inner-periphery-side lip. The spring member is designed to accommodate various pressing portions that enhance the sealing capability. Another notable patent is a sealing device that consists of an outer peripheral ring and an inner peripheral ring made of a rubber-like elastic body. This device is engineered to effectively manage fluid dynamics between high and low-pressure sides.

Career Highlights

Wataru Tokunaga works at Nok Corporation, where he has been instrumental in developing advanced sealing solutions. His work has not only improved product performance but has also contributed to the overall efficiency of various mechanical systems.

Collaborations

Throughout his career, Wataru has collaborated with talented individuals such as Yosuke Kondo and Keisuke Nakashima. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Wataru Tokunaga's contributions to sealing technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of mechanical engineering and a commitment to improving product functionality.

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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