Soka, Japan

Seiji Kosugi

This inventor holds 8 USPTO granted patents. Top assignees: Shoketsu Kinzoku Kogyo Kabushiki Kaisha, Smc Corporation. Active years: 1984-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Kosugi. Retrieved from https://idiyas.com/inventor/seiji-kosugi

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 = 1.5

ph-index = 7

Forward Citations = 110(Granted Patents)


Location History:

  • Iwatsuki, JP (1984)
  • Soka, JP (1984 - 1989)
  • Sohka, JP (1989 - 1990)

Company Filing History:


Years Active: 1984-1990

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8 patents (USPTO):Explore Patents

Title: Seiji Kosugi: Innovator in Fluid Control Technologies

Introduction

Seiji Kosugi is a notable inventor based in Soka, Japan, recognized for his contributions to fluid control technologies. With a total of 8 patents to his name, he has made significant advancements in the design and functionality of various fluid coupling and valve systems.

Latest Patents

Among his latest innovations is the "Coupling for Multi-Passage Tube." This invention provides a solution for coupling multiple parallel or concentric tubes within a multi-passage tube system, facilitating efficient fluid supply to actuators. The design includes a body with passages corresponding to the number of tubes, ensuring seamless integration with actuators through defined passages in the coupling member.

Another significant patent is the "Changeover Valve," which features a valve body that is easily detachable from forming molds. This valve is designed to switch fluid flow between different ports by engaging with two opposite valve seats. The innovative design includes a mechanism to prevent compressed air from penetrating the valve body, enhancing its reliability and performance.

Career Highlights

Seiji Kosugi has worked with prominent companies in the industry, including Shoketsu Kinzoku Kogyo and SMC Corporation. His experience in these organizations has contributed to his expertise in fluid control technologies and has allowed him to develop practical solutions that address industry needs.

Collaborations

Throughout his career, Kosugi has collaborated with talented individuals such as Norio Ando and Hisao Sagara. These partnerships have fostered innovation and have played a crucial role in the development of his patented technologies.

Conclusion

Seiji Kosugi's work in fluid control technologies exemplifies the impact of innovative thinking in engineering. His patents reflect a commitment to enhancing the efficiency and functionality of fluid systems, making him a significant figure in his field.

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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