Yokohama, Japan

Kosaku Ishida

This inventor holds 12 USPTO granted patents and 2 published patent applications and 13 EPO patents. Top assignee: Tokyo Roki Co., Ltd.. Active years: 2004-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kosaku Ishida. Retrieved from https://idiyas.com/inventor/kosaku-ishida

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

USPTO Granted Patents = 12 

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 34(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2004)
  • Kanagawa, JP (2012)
  • Yokohama, JP (2016 - 2021)

Company Filing History:


Years Active: 2004-2021

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12 patents (USPTO):Explore Patents

Title: Kosaku Ishida: Innovator in Oil Separation Technology

Introduction

Kosaku Ishida, a proficient inventor based in Yokohama, Japan, has made significant contributions to the field of oil separation technology. With a total of 12 patents to his name, Ishida has focused on developing innovative solutions that address environmental concerns related to oil mist in gas processing.

Latest Patents

One of Ishida's most recent inventions includes the development of a sophisticated oil separator that effectively separates mist oil from processing-target gas. This design features a plurality of separation disks that rotate around an axis, stacked and spaced in an axial direction. The unique geometry of these disks, including an inner peripheral part and an outer peripheral part, allows for efficient oil separation by utilizing inclined surfaces shaped as frustums of hypothetical cones or pyramids.

Another notable patent is his innovative oil separator system that incorporates a case, multiple partition walls, and a rotor mechanism. This design is ingeniously crafted to separate mist oil from gas through a structured flow process, whereby mist oil and processing-target gas are directed through distinct paths, leading to optimal oil separation.

Career Highlights

Ishida currently holds a prominent position at Tokyo Roki Co., Ltd., where he is at the forefront of engineering advancements in oil separation technology. His work not only emphasizes effectiveness but also contributes to reducing environmental impacts associated with oil mist emissions.

Collaborations

Throughout his career, Ishida has collaborated with notable colleagues, including Yoshitaka Watanabe and Kazuo Tanaka. Their collective expertise has been instrumental in developing advanced technologies that enhance operational efficiency and environmental protection in industrial applications.

Conclusion

Kosaku Ishida's innovations in oil separation technology exemplify the impact that dedicated inventors can have on industry and the environment. With a strong portfolio of patents and a commitment to collaboration, he continues to pave the way for advancements that address critical industrial challenges. His contributions are not only valuable to his company but also play a significant role in promoting sustainable practices within 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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