Kamisu, Japan

Masakatsu Hama

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Kao Corporation. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakatsu Hama. Retrieved from https://idiyas.com/inventor/masakatsu-hama

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 = 1(Granted Patents)


Company Filing History:


Years Active: 2012

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1 patent (USPTO):Explore Patents

Title: The Innovations of Masakatsu Hama: A Leader in Microbial Fermentation

Introduction: Masakatsu Hama, based in Kamisu, Japan, is an accomplished inventor recognized for his contributions to the field of microbial fermentation. With a patented method for producing high-purity diol derivatives, Hama is a key figure in the innovative approaches of Kao Corporation.

Latest Patents: Hama holds a significant patent titled "Method for Production of Microbial Fermentation Product." This invention details a novel process for generating a diol form, enhancing production efficiency and purity. The method involves filtering a culture fluid obtained through microbial conversion with specific substrate compounds. It also outlines washing the filter residue with particular solvents, followed by dissolving the resultant cake in a solvent tailored for optimal chemical interaction. The outcome is the efficient production of 1-(2-hydroxyethyl)-2,5,5,8a-tetramethyldecahydronaphthalen-2-ol, a valuable intermediate in producing complex organic compounds.

Career Highlights: Throughout his career at Kao Corporation, Masakatsu Hama has demonstrated a profound understanding of microbial processes and their applications in industry. His work has not only solidified his reputation as an inventor but has also contributed significantly to the advancement in product purity and manufacturing efficiency.

Collaborations: Hama collaborates closely with talented colleagues, including Hiroyuki Konishi and Takaaki Watanabe. These partnerships foster an environment of innovation and development, allowing them to push the boundaries of microbial fermentation technology.

Conclusion: Masakatsu Hama’s contributions to microbial fermentation and his innovative patent reflect his dedication to scientific advancement. His work at Kao Corporation and collaborations with fellow researchers enhance the field and showcase the importance of innovation in producing high-quality chemical products.

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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