Kurashiki, Japan

Yasufumi Hamada

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Gas Chemical Company, Inc.. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasufumi Hamada. Retrieved from https://idiyas.com/inventor/yasufumi-hamada

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 = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Yasufumi Hamada: Innovator in Aromatic Polycarboxylic Acid Production

Introduction

Yasufumi Hamada is a notable inventor based in Kurashiki, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of aromatic polycarboxylic acids. His innovative approach has led to advancements in the efficiency and safety of chemical processes.

Latest Patents

Hamada holds a patent for a process for producing aromatic polycarboxylic acid. This process involves the oxidation of an alkyl-substituted aromatic aldehyde or carboxylic acid with molecular oxygen in water as a solvent. The method utilizes bromine ions and, optionally, heavy metal ions as catalysts in a reactor constructed from zirconium material coated with an oxide layer. This innovative approach allows for high yield oxidation without causing corrosion to the construction material. He has 1 patent to his name.

Career Highlights

Yasufumi Hamada is associated with Mitsubishi Gas Chemical Company, Inc., where he has been instrumental in developing new chemical processes. His work has not only enhanced production efficiency but also contributed to safer manufacturing practices in the chemical industry.

Collaborations

Hamada has collaborated with notable colleagues, including Toru Tanaka and Kazuo Tanaka. Their combined expertise has fostered a productive environment for innovation and development within their field.

Conclusion

Yasufumi Hamada's contributions to the production of aromatic polycarboxylic acids exemplify the impact of innovative thinking in chemical engineering. His work continues to influence the industry and pave the way for future advancements.

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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