Kanagawa, Japan

Tomohiro Tamai

This inventor holds 7 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Ricoh Company, Ltd.. Active years: 2008-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohiro Tamai. Retrieved from https://idiyas.com/inventor/tomohiro-tamai

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

USPTO Granted Patents = 7 

% Patents Active = 85.7


Average Co-Inventor Count = 1.8

ph-index = 2

Forward Citations = 5(Granted Patents)


Location History:

  • Saitama, JP (2008)
  • Kanagawa, JP (2015 - 2024)

Company Filing History:


Years Active: 2008-2024

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7 patents (USPTO):Explore Patents

Title: Tomohiro Tamai: Innovator in Printing Technology

Introduction

Tomohiro Tamai is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of printing technology, holding a total of 7 patents. His work focuses on developing innovative solutions that enhance the efficiency and effectiveness of printing processes.

Latest Patents

Among his latest patents are advancements in contacting members, drying devices, and printing apparatuses. One of his notable inventions involves a contacting member that interacts with a region of a contacted member where a liquid composition has been applied. This contacting member features a substrate and a fluororesin fiber layer that contains a fluororesin fiber. The design ensures that one side of the fluororesin fiber layer is fixed to the substrate, while the other side contacts the contacted member. The invention specifies a ratio X/Y of less than 1.00, where X represents the presence ratio of the fluororesin fiber on the side fixed to the substrate, and Y represents the presence ratio on the side contacting the member.

Another significant patent describes a contacting member that also interacts with a liquid composition. This contacting member is equipped with a fluororesin fiber layer that is strategically placed on the surface that contacts the member. The fluororesin fiber layer is characterized by an average deformation amount ranging from 5.0 to 18.0 µm/N, which is determined by measuring the displacement when a circular indenter with a diameter of 5 mm is pressed into the layer.

Career Highlights

Tomohiro Tamai is currently employed at Ricoh Company, Ltd., where he continues to innovate and develop new technologies in printing. His work has significantly impacted the efficiency of printing processes, making them more reliable and effective.

Collaborations

Throughout his career, Tamai has collaborated with talented individuals such as Yuuki Mizutani and Toshiroh Tokuno. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Tomohiro Tamai is a distinguished inventor whose contributions to printing technology have led to numerous patents and innovations. His work at Ricoh Company, Ltd. exemplifies his commitment to advancing the field and improving printing processes.

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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