Yokohama, Japan

Keiichi Oyama

This inventor holds 12 USPTO granted patents and 4 published patent applications and 2 EPO patents. Top assignees: The Nisshin Oillio Group, Ltd., The Nisshin Oil Mills, Ltd.. Active years: 2000-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Oyama. Retrieved from https://idiyas.com/inventor/keiichi-oyama

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

USPTO Granted Patents = 12 

% Patents Active = 75.0

 

Average Co-Inventor Count = 2.5

ph-index = 3

Forward Citations = 62(Granted Patents)


Location History:

  • Kanagawa, JP (2010 - 2013)
  • Yokohama, JP (2000 - 2015)

Company Filing History:


Years Active: 2000-2015

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12 patents (USPTO):Explore Patents

Title: Innovations by Keiichi Oyama

Introduction

Keiichi Oyama is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of cosmetic formulations, holding a total of 12 patents. His work focuses on creating compositions that enhance the usability and effectiveness of cosmetic products.

Latest Patents

One of his latest patents is a composition for external use on skin, which can be spread evenly and does not produce a liquid residue due to temperature changes. This innovative composition includes a water-soluble polymer obtained by mixing agar with xanthan gum, along with moisturizers and oil components. Another significant patent is for a cosmetic transparent gel preparation that boasts high transparency and hardness. This preparation utilizes a gelling agent derived from glycerol and dibasic acids, ensuring favorable usability in cosmetic applications.

Career Highlights

Throughout his career, Keiichi Oyama has worked with prominent companies such as the Nisshin Oillio Group, Ltd. and the Nisshin Oil Mills, Ltd. His experience in these organizations has contributed to his expertise in developing innovative cosmetic products.

Collaborations

Keiichi has collaborated with notable coworkers, including Masaaki Fujisawa and Makoto Matsuzawa. Their combined efforts have led to advancements in cosmetic formulations and product development.

Conclusion

Keiichi Oyama's contributions to the field of cosmetics through his innovative patents and collaborations highlight his role as a significant inventor. His work continues to influence the industry and improve cosmetic products for consumers.

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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