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For the Inventor, By the Inventor

Kitakyushu, Japan

Atsuko Yamasaki

This inventor holds 4 USPTO granted patents. Top assignee: Toto Ltd.. Active years: 2014-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsuko Yamasaki. Retrieved from https://idiyas.com/inventor/atsuko-yamasaki

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 2

Forward Citations = 5(Granted Patents)


Company Filing History:

goldMedal4 out of 1,230 
 
Toto Ltd.
 patents

Years Active: 2014-2017

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4 patents (USPTO):Explore Patents
1. 9783971 - Discharge valve apparatus and one-piece flush toilet including same (2017-10-10),
2. 9745729 - Flush water tank assembly, and flush toilet with flush water tank assembly (2017-08-29),
3. 9499964 - Flush water supply device, flush water tank assembly with flush water supply device, and flush toilet with flush water tank assembly (2016-11-22),
4. 8720480 - Flush water supply device, flush water tank assembly with flush water supply device, and flush toilet with flush water tank assembly (2014-05-13),

Title: Atsuko Yamasaki: Innovator in Flush Technology

Introduction

Atsuko Yamasaki is a prominent inventor based in Kitakyushu, Japan. She has made significant contributions to the field of flush technology, holding a total of 4 patents. Her innovative designs focus on improving the efficiency and functionality of toilet systems.

Latest Patents

Yamasaki's latest patents include a discharge valve apparatus and a one-piece flush toilet that incorporates this technology. The discharge valve apparatus features a main body member attached to the discharge opening, which guides flush water from an inflow opening to an outflow opening. It includes a valve body that opens and closes the inflow opening and an affixing portion that secures the main body member to a reservoir tank. Notably, the design includes a curved portion that expands the cross-sectional area of the flow path, enhancing water flow efficiency.

Additionally, her flush water tank assembly patent includes a device for switching between water supplying and stopping states. This assembly features a small tank for holding flush water, an openable and closable valve, and a float that adjusts according to the water level. The design aims to optimize the flushing process and improve overall toilet performance.

Career Highlights

Atsuko Yamasaki is currently employed at Toto Ltd., a leading company in the sanitary ware industry. Her work at Toto has allowed her to focus on innovative solutions that enhance user experience and environmental sustainability in toilet design.

Collaborations

Yamasaki has collaborated with notable colleagues, including Yukinori Kubozono and Yuichi Oda. These partnerships have contributed to the development of advanced technologies in the field of flush systems.

Conclusion

Atsuko Yamasaki's contributions to flush technology demonstrate her commitment to innovation and efficiency. Her patents reflect a deep understanding of user needs and environmental considerations, solidifying her position as a key figure in the industry.

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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