Osaka, Japan

Masahiko Tanaka

This inventor holds 4 USPTO granted patents and 2 published patent applications and 5 EPO patents. Top assignee: Otsuka Pharmaceutical Company, Limited. Active years: 2005-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Tanaka. Retrieved from https://idiyas.com/inventor/masahiko-tanaka-4i3ds446

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 75.0

 

Average Co-Inventor Count = 4.3

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Otsu, JP (2005 - 2011)
  • Osaka, JP (2015 - 2021)

Company Filing History:


Years Active: 2005-2021

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4 patents (USPTO):Explore Patents

Title: Masahiko Tanaka: Innovator in Sunscreen and External Application Compositions

Introduction

Masahiko Tanaka is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of cosmetic formulations, particularly in sunscreen and external application compositions. With a total of 4 patents to his name, Tanaka continues to push the boundaries of innovation in his industry.

Latest Patents

Tanaka's latest patents include a sunscreen composition that features two or more oil-soluble ultraviolet absorbers combined with composite silicone particles, which have an average particle diameter of 10 micrometers or less. This innovative formulation aims to enhance the effectiveness of sun protection. Additionally, he has developed a composition for external application that efficiently derives the effects of purine substances and salts, incorporating sugar and at least one member selected from the group of purine substances and salts.

Career Highlights

Masahiko Tanaka is currently employed at Otsuka Pharmaceutical Company, Limited, where he applies his expertise in developing advanced cosmetic products. His work has garnered attention for its focus on improving the efficacy and safety of skincare formulations.

Collaborations

Tanaka has collaborated with notable colleagues, including Kosaburo Wakamatsu and Shigeo Shinohara, to further enhance the research and development of innovative products in the pharmaceutical and cosmetic sectors.

Conclusion

Masahiko Tanaka's contributions to the field of cosmetic formulations, particularly in sunscreen and external application compositions, highlight his role as a key innovator. His ongoing work at Otsuka Pharmaceutical Company, Limited, and his collaborations with esteemed colleagues underscore his commitment to advancing skincare technology.

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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