Kyoto, Japan

Hitoshi Nakai

This inventor holds 20 USPTO granted patents and 3 published patent applications and 2 EPO patents, primarily in Substrate Processing. Top assignees: Screen Holdings Co., Ltd., Nintendo Co., Ltd., Hosiden Corporation. Active years: 2002-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Nakai. Retrieved from https://idiyas.com/inventor/hitoshi-nakai

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 = 95.0

 

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 80(Granted Patents)


Company Filing History:


Years Active: 2002-2022

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Areas of Expertise:
Substrate Processing
Electrical Connector
Storage Battery
Network Game System
Electronic Circuit Module
Surface-Mounted Connector
Portable Game Machine
Method
Apparatus
20 patents (USPTO):Explore Patents

Title: The Innovations of Hitoshi Nakai: A Pioneer in Substrate Processing Technology

Introduction

Hitoshi Nakai, a distinguished inventor based in Kyoto, Japan, has made significant contributions to the field of substrate processing. With an impressive portfolio of 20 patents, Nakai's work focuses on innovative technologies that enhance substrate processing methods and apparatuses. His latest inventions demonstrate a deep understanding of the intricacies involved in substrate handling and processing.

Latest Patents

Among his recent innovations, Nakai has developed a substrate processing apparatus and a substrate processing method. The apparatus is designed to effectively process a substrate by incorporating a substrate holder, a filler feeder, and a first cleaning liquid feeder. This sophisticated device holds the substrate while rotating it, allowing the filler to be applied uniformly to its upper side. Concurrently, the cleaning liquid is meticulously applied to the rear side, ensuring optimal processing conditions.

The associated substrate processing method outlines a series of precise steps that include supplying a first processing liquid, forming a particle holding layer, and subsequently removing it. Additionally, this method incorporates the formation of a liquid film and a gas phase layer that efficiently transfers the processing liquid, showcasing Nakai's innovation and expertise in substrate processing techniques.

Career Highlights

Nakai's career spans notable positions at leading companies, including Screen Holdings and Nintendo. His experience in these renowned organizations has allowed him to develop cutting-edge technologies that have had a lasting impact on the industry. His innovative mindset and dedication to his craft have contributed to his success as an inventor.

Collaborations

Throughout his career, Hitoshi Nakai has collaborated with talented individuals, including Yasuhiko Ohashi and Yasunori Kanematsu. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies. The synergy among these professionals has undoubtedly propelled their contributions to the advancements in substrate processing.

Conclusion

Hitoshi Nakai's remarkable portfolio of patents and his innovative work in substrate processing technology highlight his status as a leading inventor in the field. His recent patents reflect both his technical expertise and his commitment to pushing the boundaries of what is possible in substrate processing. As he continues to develop new technologies, Nakai remains a key figure in advancing industry practices, inspiring future generations of inventors.

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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