Kitakyushu, Japan

Hiroshi Suminaka

This inventor holds 1 USPTO granted patent. Top assignee: Toto Ltd.. Active years: 2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Suminaka. Retrieved from https://idiyas.com/inventor/hiroshi-suminaka

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2017

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1 patent (USPTO):Explore Patents

Title: Hiroshi Suminaka: Innovator in Flush Toilet Technology

Introduction

Hiroshi Suminaka is a notable inventor based in Kitakyushu, Japan. He has made significant contributions to the field of flush toilet technology. His innovative approach has led to the development of a unique operating device for flush water tank devices.

Latest Patents

Hiroshi Suminaka holds 1 patent for his invention titled "Operating device for flush water tank device." This invention relates to an operating device in a flush toilet that integrates manual and motorized control units. The design allows for the actuation of a flush valve through a single connecting member, which enhances the functionality and efficiency of flush toilets.

Career Highlights

Suminaka is associated with Toto Ltd., a leading company in the sanitary ware industry. His work focuses on improving user experience and operational efficiency in toilet systems. His innovative designs reflect a commitment to enhancing everyday conveniences through technology.

Collaborations

Hiroshi has collaborated with talented coworkers such as Takashi Oogami and Masaaki Momoe. Their combined expertise has contributed to the advancement of toilet technology and the development of user-friendly solutions.

Conclusion

Hiroshi Suminaka's contributions to flush toilet technology exemplify the impact of innovation in everyday life. His patent for an operating device showcases his dedication to improving sanitation solutions. Through his work at Toto Ltd., he continues to influence the industry positively.

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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