Tokyo, Japan

Yasuaki Koiwa

This inventor holds 37 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Sprinkler Head Technology. Top assignees: Senju Sprinkler Company Limited, Kabushiki Kaisha Toshiba, Senju Metal Industry Co., Ltd.. Active years: 2005-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuaki Koiwa. Retrieved from https://idiyas.com/inventor/yasuaki-koiwa

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

USPTO Granted Patents = 37 

% Patents Active = 89.2

 

Average Co-Inventor Count = 1.1

ph-index = 11

Forward Citations = 317(Granted Patents)


Location History:

  • Iwate-ken, JP (2005)
  • Ichinoseki, JP (2009)
  • Tokyo, JP (2011 - 2024)

Company Filing History:


Years Active: 2005-2026

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Areas of Expertise:
Sprinkler Head
Deflector
Protective Cap
Wrench Socket
Accessory
Valve Mechanism
Heat Collector
Fusible Plug
Spanner Wrench
Cover Assembly
Sprinkler Body
Sprinkler Assembly
37 patents (USPTO):Explore Patents

Title: **Yasuaki Koiwa: A Pioneer in Sprinkler Technology**

Introduction

Yasuaki Koiwa, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of sprinkler technology. With an impressive portfolio of 34 patents, Koiwa's innovations reflect his expertise and dedication to improving safety and efficiency in fire protection systems.

Latest Patents

Among his recent inventions, Koiwa has developed a wrench socket for sprinkler heads, which enhances the accessibility of these crucial fire safety tools. Additionally, he designed a protective cap for sprinkler heads, ensuring their longevity and functionality in various environments. These patents exemplify his commitment to enhancing fire safety equipment.

Career Highlights

Yasuaki Koiwa has had a distinguished career, working with notable companies such as Senju Sprinkler Company Limited and Kabushiki Kaisha Toshiba. His experience in these organizations allowed him to refine his skills and develop innovative solutions that address the needs of the industry.

Collaborations

Throughout his career, Koiwa has collaborated with esteemed colleagues, including Tetsuro Kikuchi and Hisayoshi Ohkoshi. These partnerships have fostered an environment of creativity and innovation, contributing to the development of state-of-the-art sprinkler technologies.

Conclusion

Yasuaki Koiwa's contributions to the field of sprinkler technology demonstrate the impact of dedicated inventors on enhancing safety standards. With his extensive patent portfolio and collaborative spirit, Koiwa continues to inspire future innovations in fire protection systems.

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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