Saitama, Japan

Itaru Sakai

This inventor holds 2 USPTO granted patents. Top assignee: Eisai Company, Limited. Active years: 1995-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Itaru Sakai. Retrieved from https://idiyas.com/inventor/itaru-sakai

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 = 8.0

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Saitama, JP (1995)
  • Saitama Prefecture, JP (1996)

Company Filing History:


Years Active: 1995-1996

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2 patents (USPTO):Explore Patents

Title: **Celebrating the Innovations of Itaru Sakai**

Introduction

Itaru Sakai is an accomplished inventor based in Saitama, Japan. With a notable portfolio comprising two patents, Sakai has made significant contributions to the field of skincare through his innovative formulations.

Latest Patents

Among Sakai's latest patents is the impressive whitening embellisher, which features teprenone (chemical name: geranylgeranyl-acetone) as its active ingredient. This remarkable product, along with the whitening and beautifying composition, incorporates teprenone alongside one or more substances selected from kojic acid and L-ascorbic acid. The whitening embellisher effectively prevents skin pigmentation and darkening caused by sunburn and aging, promoting quicker fading of dark spots and freckles. This cream or milky lotion formulation has gained recognition for its efficacy in enhancing skin appearance.

Career Highlights

Itaru Sakai is affiliated with Eisai Company, Limited, a renowned organization in the pharmaceutical and healthcare industry. His role at Eisai has allowed him to focus on innovations that address skincare needs, showcasing his commitment to beauty and health through scientific advancements.

Collaborations

Sakai has collaborated with talented individuals, including colleagues Kana Satoh and Tomohide Tanaka. This teamwork highlights the importance of collaboration in the innovation process, enabling the creation of effective and novel skincare products.

Conclusion

Itaru Sakai stands out as an innovative inventor whose work in skincare has the potential to impact many lives positively. His patents signal a bright future in dermatological advancements, showcasing the importance of research and creativity in crafting effective beauty solutions. Through his contributions, Sakai not only enhances individual beauty routines but also contributes to the ongoing evolution of skincare science.

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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