Fuchu, Japan

Masao Koizumi

This inventor holds 2 USPTO granted patents. Top assignees: Hamai Industries Limited, Taiyo Nippon Sanso Corporation. Active years: 2004-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Koizumi. Retrieved from https://idiyas.com/inventor/masao-koizumi

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


% Patents Active = 50.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 2004-2005

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2 patents (USPTO):Explore Patents

Title: Masao Koizumi: Innovator in Gas Control Technologies

Introduction

Masao Koizumi is a notable inventor based in Fuchu, Japan. He has made significant contributions to the field of gas control technologies, holding a total of 2 patents. His innovative designs focus on enhancing the safety and efficiency of gas supply systems.

Latest Patents

Koizumi's latest patents include a container valve and a control valve with a diaphragm. The container valve is designed to be attached to a gas container, featuring a pressure-reducing function. It includes a gas filling passage with a filling valve, a gas lead-out passage with a lead-out valve, and a pressure regulator. This design allows for the safe supply of gas under reduced pressure and facilitates easy filling of the container. The control valve is characterized by its high durability, making it resistant to damage in corrosive gas environments. It incorporates a diaphragm that opens and closes an opening in the valve seat, ensuring reliable operation.

Career Highlights

Throughout his career, Masao Koizumi has worked with prominent companies such as Hamai Industries Limited and Taiyo Nippon Sanso Corporation. His experience in these organizations has contributed to his expertise in gas control technologies.

Collaborations

Koizumi has collaborated with notable coworkers, including Koichi Ohashi and Satoshi Hasaka. Their combined efforts have further advanced the innovations in gas control systems.

Conclusion

Masao Koizumi's contributions to gas control technologies through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the safety and efficiency of gas supply systems.

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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