Tokyo, Japan

Masahiro Takezawa

This inventor holds 22 USPTO granted patents and 11 published patent applications and 17 EPO patents, primarily in Fluid Filling Technology. Top assignee: Tatsuno Corporation. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Takezawa. Retrieved from https://idiyas.com/inventor/masahiro-takezawa

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

USPTO Granted Patents = 22 

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 67(Granted Patents)


Company Filing History:


Years Active: 2018-2025

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Areas of Expertise:
Safety Joint
Filling Device
Filling Apparatus
Nozzle Hanger
Fluid Supply
Depressurizer
Pipe Joint
Filling Nozzle
Gas Filling
Fluid Filling
Nozzle Hook
Engageable Plug
22 patents (USPTO):Explore Patents

Title: Masahiro Takezawa: A Pioneer in Safety Innovations

Introduction: Masahiro Takezawa is a notable inventor based in Tokyo, Japan, renowned for his innovations in safety devices. With an impressive portfolio of 22 patents, he has significantly contributed to enhancing safety measures in various applications.

Latest Patents: Among his latest inventions are two notable patents: the Safety Joint Housing Device and the Nozzle Hanger. The Safety Joint Housing Device is designed to prevent a plug or filling hose from becoming locked in the lower opening of a casing when the safety joint is separated. This innovation aims to prevent the filling device from toppling over and sustaining damage. The Nozzle Hanger serves a similar purpose; it is equipped to securely hold a filling nozzle with a filling pipe for hydrogen gas, featuring a fixed lock section that maintains the grip section of the filling nozzle in a stable state, and a movable lock section that allows for controlled movement of the filling pipe.

Career Highlights: Masahiro Takezawa has made remarkable strides in his career at Tatsuno Corporation, a company dedicated to developing cutting-edge technology in the safety sector. His inventive prowess not only showcases his creativity but also reflects his commitment to enhancing operational safety through practical and innovative solutions.

Collaborations: Throughout his career, Takezawa has collaborated with talented coworkers such as Kiyoshi Kimura and Yuki Terasoma. These collaborations have enabled a fusion of ideas and expertise, leading to successful innovations that have positively impacted the industry.

Conclusion: Masahiro Takezawa stands out as a key figure in the realm of safety innovations. Through his dedication and creativity, he has developed numerous patents that not only serve practical purposes but also set new standards for safety in various applications. His contributions will continue to influence future advancements 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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