Machida, Japan

Hajime Watanabe

This inventor holds 1 USPTO granted patent. Top assignees: Sunstar K.k., Takasago Perfumery Co., Ltd.. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Watanabe. Retrieved from https://idiyas.com/inventor/hajime-watanabe-xicoj9t6

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: Hajime Watanabe: Innovator of Menthol Soap

Introduction

Hajime Watanabe is a notable inventor based in Machida, Japan. He is recognized for his innovative contributions to the field of personal care products, particularly through his development of menthol soap. His work has significantly impacted the way consumers experience refreshing sensations in their daily hygiene routines.

Latest Patents

Watanabe holds a patent for a unique menthol soap. This menthol soap comprises a soap base, menthol, a crack-preventing agent, and a solvent for the menthol. The invention provides a superior cold or refreshing feeling when applied to the skin. Additionally, it prevents menthol crystals from growing and surfacing during storage, ensuring the soap remains intact without cracks.

Career Highlights

Throughout his career, Watanabe has worked with prominent companies such as Takasago Perfumery Co., Ltd. and Sunstar K.K. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative products in the personal care industry.

Collaborations

Watanabe has collaborated with notable coworkers, including Yoshio Tanaka and Seiichi Abe. Their combined expertise has fostered a creative environment that encourages the development of groundbreaking products.

Conclusion

Hajime Watanabe's contributions to the invention of menthol soap exemplify his innovative spirit and dedication to enhancing consumer experiences. His work continues to influence the personal care industry, making daily routines more enjoyable for users.

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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