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For the Inventor, By the Inventor

Kobe, Japan

Kosuke Sakai

This inventor holds 6 USPTO granted patents. Top assignee: Waterworks Technology Development Organization Co., Ltd.. Active years: 1999-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kosuke Sakai. Retrieved from https://idiyas.com/inventor/kosuke-sakai-4jkeat66

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

Calculating rank
USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 94(Granted Patents)


Location History:

  • Sanda, JP (1999 - 2000)
  • Kobe, JP (2001 - 2002)

Company Filing History:

goldMedal6 out of 54 
 
Waterworks Technology Development Organization Co., Ltd.
 patents

Years Active: 1999-2002

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6 patents (USPTO):Explore Patents
1. 6371530 - Tube joint (2002-04-16),
2. 6250690 - Expansion flexible tube joint and assembling method thereof (2001-06-26),
3. 6203073 - Tube joint (2001-03-20),
4. 6056329 - Telescopic pivotal pipe joint (2000-05-02),
5. 5967168 - Method of connecting branch pipe (1999-10-19),
6. 5924436 - Connecting construction of branch pipe and connecting method thereof (1999-07-20),

Title: Innovations of Kosuke Sakai

Introduction

Kosuke Sakai is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of tube joint technology, holding a total of 6 patents. His work focuses on innovative designs that enhance the functionality and reliability of tube joints.

Latest Patents

Sakai's latest patents include a unique tube joint design that features a pushing ring with a projection, which is fitted to the outer periphery of a joint tube. This design incorporates a fastening tool that moves the pushing ring towards the joint body, ensuring a secure fit. Another notable patent is the expansion flexible tube joint, which consists of a first cylindrical body with spherical surface ring materials and a second cylindrical body that allows for relative movement. This innovative design includes stopper means to limit movement and ensures a reliable connection.

Career Highlights

Kosuke Sakai is associated with Waterworks Technology Development Organization Co., Ltd., where he has been instrumental in developing advanced tube joint technologies. His expertise in this area has led to the creation of several patents that address common challenges in the industry.

Collaborations

Sakai has collaborated with notable colleagues, including Kenji Kitani and Shintaro Suzuki, to further enhance the development of innovative tube joint solutions.

Conclusion

Kosuke Sakai's contributions to tube joint technology exemplify his dedication to innovation and problem-solving in engineering. His patents reflect a commitment to improving the functionality and reliability of tube joints in various applications.

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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