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For the Inventor, By the Inventor

Kanonji, Japan

Masashi Kitagawa

This inventor holds 3 USPTO granted patents. Top assignee: Unicharm Corporation. Active years: 2013-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Kitagawa. Retrieved from https://idiyas.com/inventor/masashi-kitagawa-o2s8vzcx

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

Calculating rank
USPTO Granted Patents = 3

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Tokyo, JP (2013)
  • Kanonji, JP (2016)
  • Kagawa, JP (2016)

Company Filing History:

goldMedal3 out of 1,655 
 
Unicharm Corporation
 patents

Years Active: 2013-2016

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3 patents (USPTO):Explore Patents
1. 9433542 - Absorbent article and production method thereof (2016-09-06),
2. 9387137 - Absorbent article package and method of folding the same along folding lines toward opposite sides thereof (2016-07-12),
3. 8591487 - Absorbent article including a surface member with concaved sections (2013-11-26),

Title: Masashi Kitagawa: Innovator in Absorbent Article Technology

Introduction

Masashi Kitagawa is a notable inventor based in Kanonji, Japan. He has made significant contributions to the field of absorbent articles, holding a total of 3 patents. His innovative designs focus on enhancing the functionality and efficiency of absorbent products.

Latest Patents

Kitagawa's latest patents include groundbreaking inventions that improve absorbent articles. One of his patents describes an absorbent article that features a liquid-pervious surface sheet, a liquid-impervious backside sheet, and an absorption body. This design incorporates an endless compressed groove surrounding the central part of the article, along with multiple concave parts that enhance its absorbent capabilities. Another patent details a method for packaging absorbent articles, which involves folding a packaging sheet and the absorbent article in a specific manner to optimize space and usability.

Career Highlights

Masashi Kitagawa is currently employed at Unicharm Corporation, a leading company in the hygiene and absorbent product industry. His work has been instrumental in advancing the technology behind absorbent articles, making them more effective and user-friendly.

Collaborations

Throughout his career, Kitagawa has collaborated with talented individuals such as Nobuyuki Kato and Tatsuya Tamura. These partnerships have fostered innovation and creativity in the development of new products.

Conclusion

Masashi Kitagawa's contributions to absorbent article technology have made a significant impact in the industry. His innovative patents and collaborations continue to shape the future of absorbent 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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