Yamaguchi, Japan

Takanori Hamana

This inventor holds 3 USPTO granted patents. Top assignee: Central Glass Company, Limited. Active years: 1991-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takanori Hamana. Retrieved from https://idiyas.com/inventor/takanori-hamana

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Ube, JP (1991)
  • Yamaguchi, JP (2000)

Company Filing History:


Years Active: 1991-2025

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3 patents (USPTO):Explore Patents

Title: Takanori Hamana: Innovator in Tungsten Hexafluoride Production

Introduction

Takanori Hamana is a notable inventor based in Yamaguchi, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production and purification of tungsten hexafluoride. With a total of 3 patents to his name, Hamana's work has advanced the methods used in this specialized area.

Latest Patents

Hamana's latest patents include innovative methods for manufacturing and purifying tungsten hexafluoride. One of his key inventions is a tungsten hexafluoride manufacturing method that involves a reaction step where tungsten containing arsenic or an arsenic compound is reacted with a gas of a fluorine element-containing compound. This process results in a mixture that contains tungsten hexafluoride and a trivalent arsenic compound. The subsequent distillation step allows for the separation and removal of the trivalent arsenic compound, yielding pure tungsten hexafluoride. Additionally, he has developed a method for producing trifluoromethanesulfonyl chloride, which involves reacting trifluoromethanesulfonic acid with phosphorous trichloride and chlorine. This method is notable for its high yield and selectivity, making it a valuable contribution to chemical production.

Career Highlights

Takanori Hamana is currently employed at Central Glass Company, Limited, where he continues to innovate in the field of chemical manufacturing. His work has not only contributed to the company's success but has also positioned him as a leading figure in the industry.

Collaborations

Throughout his career, Hamana has collaborated with esteemed colleagues such as Minoru Aramaki and Takashi Suenaga. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Takanori Hamana's contributions to the field of tungsten hexafluoride production exemplify the impact of innovative thinking in chemical engineering. His patents reflect a commitment to advancing manufacturing processes, and his work continues to influence 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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