Tokyo, Japan

Koushi Yamaguchi

This inventor holds 22 USPTO granted patents and 4 published patent applications, plus 2 CIPO patents and 4 EPO patents. Top assignees: Sugatsune Kogyo Co., Ltd., Koushi Yamaguchi, Noritake Co., Ltd.. Active years: 2007-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koushi Yamaguchi. Retrieved from https://idiyas.com/inventor/koushi-yamaguchi

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

USPTO Granted Patents = 22 

% Patents Active = 72.7

 

 

Average Co-Inventor Count = 1.3

ph-index = 6

Forward Citations = 99(Granted Patents)


Location History:

  • Koganei-shi, Tokyo, JP (2008)
  • Koganei, JP (2018)
  • Chiyoda-ku, JP (2015 - 2019)
  • Tokyo, JP (2007 - 2023)

Company Filing History:


Years Active: 2007-2026

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22 patents (USPTO):Explore Patents

Title: Innovations by Koushi Yamaguchi: A Pioneer in Medicine and Mechanical Design

Introduction

Koushi Yamaguchi, a prolific inventor based in Tokyo, Japan, has made significant contributions to both the medical and mechanical fields with his 21 patents. His diverse range of innovations demonstrates his versatility and commitment to improving everyday life through thoughtful design and novel solutions.

Latest Patents

Among his most recent patents, Yamaguchi has developed a groundbreaking medicine aimed at improving the state of pregnancy. This innovative formulation includes a compound represented by a specific general formula or a pharmaceutically acceptable salt, showcasing his dedication to addressing crucial health concerns. Additionally, his patent for a hinge and hinge bracket successfully addresses the functional needs of thin doors, such as those made of glass. This hinge design incorporates a main body side member and a door side member that are rotatably connected through an articulation joint, with a unique recessed portion to accommodate this joint effectively.

Career Highlights

Koushi Yamaguchi has worked with Sugatsune Kogyo Co., Ltd., a company recognized for its innovative hardware solutions, contributing to the development of advanced mechanical components. His extensive patent portfolio underscores his influence and expertise in designing functional and beneficial products.

Collaborations

Throughout his career, Yamaguchi has collaborated with notable colleagues, including Kazuaki Kashiwaguma and Mitsuru Sugiura. Their joint efforts have spurred additional innovations and reinforced the importance of teamwork in the advancement of technology and medicine.

Conclusion

Through his numerous patents and collaborations, Koushi Yamaguchi has established himself as a leading inventor in both medical and mechanical domains. His continuous pursuit of innovation not only enhances product functionality but also contributes meaningfully to important health issues, setting a benchmark for future inventors and researchers in the 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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