Machida, Japan

Tomoko Matsunaga

This inventor holds 1 USPTO granted patent. Top assignee: Kyowa Hakko Kogyo Co., Ltd.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoko Matsunaga. Retrieved from https://idiyas.com/inventor/tomoko-matsunaga-5wulfdva

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 = 2.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Tomoko Matsunaga and Her Patent in Fermentation

Introduction

Tomoko Matsunaga is an inventor associated with Machida, Japan. Her recorded patent concerns the fermentation-based production of orotic acid.

Latest Patents

Matsunaga is credited with 1 patent, titled “Process for Producing Orotic Acid by Fermentation.” The invention describes culturing a suitable orotic-acid-producing microorganism from the genus *Corynebacterium* in a medium. The microorganism has resistance to a pyrimidine analogue, or to both a pyrimidine analogue and a sulfa drug. The process continues until orotic acid accumulates, after which the acid is recovered from the culture.

Career Highlights

Matsunaga is associated with Kyowa Hakko Kogyo Co., Ltd. Her patent reflects work on microbial fermentation and the production of a useful chemical compound.

Collaborations

Kenichiro Takayama is identified as Matsunaga’s coworker. The available information does not specify his role in the patent or the extent of their collaboration.

Conclusion

Tomoko Matsunaga’s recorded invention focuses on using selected *Corynebacterium* microorganisms to produce orotic acid through fermentation.

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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