Utsunomiya, Japan

Iwao Miyashita

This inventor holds 5 USPTO granted patents. Top assignees: Kao Corporation, Kao Soap Company, Ltd.. Active years: 1987-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Iwao Miyashita. Retrieved from https://idiyas.com/inventor/iwao-miyashita

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 = 3.0

ph-index = 5

Forward Citations = 116(Granted Patents)


Company Filing History:


Years Active: 1987-1989

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5 patents (USPTO):Explore Patents

Title: Iwao Miyashita: Innovator in Absorbent Technology

Introduction

Iwao Miyashita is a notable inventor based in Utsunomiya, Japan. He has made significant contributions to the field of absorbent technology, holding a total of 5 patents. His innovative work has impacted various applications, particularly in personal care products.

Latest Patents

Miyashita's latest patents include an absorbent member designed for tampons. This absorbent member is produced by ejecting a liquid against a sheet of water-absorptive fibers, interlacing the fibers, and molding the sheet under pressure. Another significant patent is for an absorbing article that features a surface layer in contact with skin, composed of hydrophilic and hydrophobic fibers. This design enhances the hydrophilic properties of the fibers after being wetted, improving the overall performance of the absorbent article.

Career Highlights

Throughout his career, Iwao Miyashita has worked with prominent companies such as Kao Corporation and Kao Soap Company, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in absorbent technology.

Collaborations

Miyashita has collaborated with notable coworkers, including Daisuke Shiba and Osamu Ito. Their combined expertise has contributed to the advancement of absorbent product designs.

Conclusion

Iwao Miyashita's contributions to absorbent technology through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to shape the future of personal care products.

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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