Yokohama, Japan

Tadashi Tokai

This inventor holds 4 USPTO granted patents. Top assignees: Tokyo University of Marine Science and Technology, Nichimo Co., Ltd. Active years: 2011-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Tokai. Retrieved from https://idiyas.com/inventor/tadashi-tokai

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


% Patents Active = 25.0

Average Co-Inventor Count = 4.6

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2011-2018

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Tadashi Tokai

Introduction

Tadashi Tokai is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of marine technology, holding a total of 4 patents. His inventions focus on enhancing the efficiency and functionality of equipment used in marine environments.

Latest Patents

Among his latest patents are the "Otter Board" and the "High-Lift Otter Board." The Otter Board features a curved design that corresponds to the expanding direction of a net opening during towing. This innovative shape is crafted from a front-side end section to a rear-side end section, ensuring optimal performance in towing conditions. Additionally, the High-Lift Otter Board shares a similar design, emphasizing the importance of a projecting structure that includes a projecting surface, a top board, and a bottom board.

Career Highlights

Tadashi Tokai has worked with prestigious institutions such as the Tokyo University of Marine Science and Technology and Nichimo Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in marine technology.

Collaborations

Throughout his career, Tokai has collaborated with talented individuals, including Fuxiang Hu and Yoshioki Ozeki. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Tadashi Tokai's work exemplifies the spirit of innovation in marine technology. His patents reflect a commitment to improving the efficiency of marine equipment, showcasing his expertise and dedication to the field.

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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