Toyonaka, Japan

Teruhisa Tokunaga

This inventor holds 3 USPTO granted patents. Top assignees: Sumitomo Pharmaceuticals Company Limited, Dainippon Sumitomo Pharma Co., Ltd.. Active years: 2003-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Teruhisa Tokunaga. Retrieved from https://idiyas.com/inventor/teruhisa-tokunaga

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


Average Co-Inventor Count = 4.7

ph-index = 2

Forward Citations = 10(Granted Patents)


Location History:

  • Nishinomiya, JP (2003)
  • Toyonaka, JP (2004)
  • Osaka, JP (2010)

Company Filing History:


Years Active: 2003-2010

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3 patents (USPTO):Explore Patents

Title: The Innovative Mind of Teruhisa Tokunaga

Introduction: Teruhisa Tokunaga, an accomplished inventor based in Toyonaka, Japan, has made significant contributions to the field of pharmaceuticals, showcasing his prowess with three patents to his name. His innovative spirit is reflected in his latest projects, which address critical healthcare challenges.

Latest Patents: Among his most recent innovations is a patent for an Oxindole derivative, recognized for its potential as a feeding control agent. This compound, represented by a specific formula, serves as a therapeutic, preventive, or ameliorating agent for diabetes and similar conditions. The formulation employs various chemical groups that highlight its versatility and medical application potential. Additionally, Tokunaga has developed several Pyrrole derivatives, further exemplifying his commitment to advancing pharmaceutical research.

Career Highlights: Throughout his career, Tokunaga has been associated with prominent organizations like Sumitomo Pharmaceuticals Company Limited and Dainippon Sumitomo Pharma Co., Ltd. His work in these companies has not only honed his skills as an inventor but has also played a vital role in the development of innovative healthcare solutions.

Collaborations: In his journey as an inventor, Tokunaga has collaborated with notable colleagues such as Ryu Nagata and Takashi Umezome. These partnerships have facilitated the exchange of ideas and knowledge, leading to groundbreaking innovations in their respective fields.

Conclusion: Teruhisa Tokunaga stands as a remarkable figure in the realm of pharmaceutical inventions, with a clear focus on addressing vital health issues through science. His work, underscored by his patents and collaborations, continues to influence the medical field significantly, paving the way for future innovations.

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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