Kanonji, Japan

Masashi Nakashita

This inventor holds 18 USPTO granted patents and 5 published patent applications and 13 EPO patents, primarily in Absorbent Articles. Top assignee: Unicharm Corporation. Active years: 2004-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Nakashita. Retrieved from https://idiyas.com/inventor/masashi-nakashita

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

Calculating rank
USPTO Granted Patents = 18 

% Patents Active = 55.6

 

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 193(Granted Patents)


Location History:

  • Kanagaw-ken, JP (2004)
  • Kagawa-ken, JP (2006 - 2009)
  • Kagawa, JP (2014 - 2017)
  • Kanonji, JP (2016 - 2020)

Company Filing History:


Years Active: 2004-2020

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Areas of Expertise:
Absorbent Article
Blood Modifying Agent
Nonwoven Fabric
Body Fluid Absorbent Pad
Water-Absorbent Structure
Disposable Wearing Article
Fluid Distribution
Density Gradient
Absorber Crossbridge
Production Method
18 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Masashi Nakashita

Introduction

Masashi Nakashita, an accomplished inventor based in Kanonji, Japan, has made significant strides in the field of absorbent products. With a remarkable portfolio of 18 patents, he stands out for his inventive approaches that cater to specific needs in hygiene and absorbent technology.

Latest Patents

Nakashita's recent innovations reflect his dedication to enhancing the comfort and functionality of absorbent articles. One of his latest patents focuses on a top sheet design that includes a skin contact surface configured to interact with the wearer’s skin. This top sheet features projections and recesses, along with a specialized coating that acts as a blood slipping agent, designed to work efficiently with menstrual blood.

Another notable patent involves an absorbent article that consists of a liquid-permeable top sheet and a liquid-impermeable back sheet, with an absorbent body in between. This top sheet incorporates a blood modifying agent characterized by specific properties, providing improved effectiveness in liquid absorption and comfort during use.

Career Highlights

Masashi Nakashita has dedicated his career to developing innovative solutions in absorbent product technology. His work at Unicharm Corporation has positioned him as a key player in advancing hygiene products. His patents not only showcase technical ingenuity but also a profound understanding of consumer needs in health and wellness.

Collaborations

During his career, Nakashita has collaborated with fellow inventors Ichiro Wada and Yuki Noda. Together, they have contributed to advancements in absorbent technology, combining their expertise to produce innovative and practical solutions for consumers. Their teamwork speaks to the collaborative spirit within the field of invention and development.

Conclusion

Masashi Nakashita's contributions as an inventor in the area of absorbent products exemplify the intersection of innovation and practicality. His numerous patents provide insight into his dedication to improving user experience and health standards. As he continues to work at Unicharm Corporation, the impact of his inventions will likely resonate within the industry for years to come.

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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