Kyoto, Japan

Mai Yamakawa

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Screen Holdings Co., Ltd.. Active years: 2014-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mai Yamakawa. Retrieved from https://idiyas.com/inventor/mai-yamakawa

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 2014-2016

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2 patents (USPTO):Explore Patents

Title: Mai Yamakawa: Innovator in Substrate Treatment Technologies

Introduction

Mai Yamakawa is a prominent inventor based in Kyoto, Japan. She has made significant contributions to the field of substrate treatment technologies. With a total of 2 patents, her work focuses on improving the efficiency and effectiveness of substrate processing methods.

Latest Patents

Yamakawa's latest patents include a substrate treatment apparatus and a substrate treatment method. The substrate treatment apparatus features a substrate holding unit that horizontally holds a substrate. It also includes a liquid droplet nozzle that generates droplets of a treatment liquid, which are sprayed onto a spouting region on the upper surface of the substrate. Additionally, a protective liquid nozzle spouts a protective liquid obliquely onto the substrate's upper surface, ensuring that the spouting region is covered with a film of protective liquid. This innovative design allows treatment liquid droplets to impinge on the spouting region effectively.

Another notable patent is a nozzle designed for discharging droplets of a processing liquid for substrate processing. This nozzle includes a main body with a supply port, a drain port, and a processing liquid flow passageway that connects the two. The flow passageway features multiple branch flow channels that collect together, allowing for efficient processing of the substrate. A piezo element applies vibration to the processing liquid, enhancing its performance.

Career Highlights

Mai Yamakawa is currently employed at Screen Holdings Co., Ltd., where she continues to develop innovative technologies in substrate treatment. Her work has garnered attention for its practical applications in various industries.

Collaborations

Yamakawa collaborates with talented individuals such as Takayoshi Tanaka and Rei Takeaki. These partnerships have contributed to her success and the advancement of her projects.

Conclusion

Mai Yamakawa is a remarkable inventor whose work in substrate treatment technologies has led to significant advancements in the field. Her innovative patents and collaborations highlight her dedication to improving substrate processing methods.

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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