Kasumigaura, Japan

Yoichi Kowatari

This inventor holds 20 USPTO granted patents and 12 published patent applications, plus 1 CIPO patent and 7 EPO patents. Top assignee: Hitachi Construction Machinery Co., Ltd.. Active years: 1999-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichi Kowatari. Retrieved from https://idiyas.com/inventor/yoichi-kowatari

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

USPTO Granted Patents = 20 

% Patents Active = 75.0


 

Average Co-Inventor Count = 4.8

ph-index = 7

Forward Citations = 168(Granted Patents)


Location History:

  • Ibaraki-ken, JP (1999 - 2012)
  • Ibaraki, JP (2012 - 2017)
  • Tokyo, JP (2017)
  • Kasumigaura, JP (2013 - 2018)
  • Tsuchiura, JP (2018 - 2020)

Company Filing History:


Years Active: 1999-2025

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20 patents (USPTO):Explore Patents

Title: The Innovative Mind of Yoichi Kowatari

Introduction: Yoichi Kowatari, an accomplished inventor hailing from Kasumigaura, Japan, holds a remarkable portfolio of 19 patents. His innovative contributions, particularly in the field of industrial machinery safety, have made significant impacts on the functionality and efficiency of such equipment.

Latest Patents: Two of Kowatari's latest patents demonstrate his commitment to enhancing safety in heavy machinery. The first, "Monitoring Image Display Device of Industrial Machine," addresses the critical issue of blind spots in hydraulic excavators. By integrating monitoring cameras positioned strategically around the machine, the design captures images from various angles, improving operator visibility and overall work safety.

The second patent, "Surrounding Monitoring Device for Slewing-Type Work Machine," further exemplifies Kowatari's ingenuity. This device utilizes multiple cameras to provide a comprehensive view of the surroundings from the excavator's perspective. Through coordinate image data conversion, it creates its composite overhead view, helping operators to detect potential obstacles and maintain safe operational practices.

Career Highlights: Kowatari's career is defined by his role at Hitachi Construction Machinery Co., Ltd., where his innovative solutions have been instrumental in advancing industrial machinery technology. With a focus on enhancing safety and efficiency, he has become a pivotal figure in the field, contributing to numerous advancements that benefit operators and enhance safety protocols in machinery design.

Collaborations: Throughout his career, Kowatari has collaborated with esteemed colleagues such as Yoshihiro Inanobe and Kazunori Nakamura. Their teamwork has fostered a creative environment that encourages problem-solving and innovation in complex machinery design.

Conclusion: Yoichi Kowatari's contributions to industrial machine safety through his groundbreaking patents reflect his dedication as an inventor. His work not only showcases his innovative spirit but also underscores the importance of safety in industrial environments, ensuring that operators have the necessary tools to perform their jobs effectively and safely.

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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