Kagawa, Japan

Katsushi Tomita

This inventor holds 3 USPTO granted patents and 1 published patent application, plus 1 CIPO patent. Top assignee: Unicharm Corporation. Active years: 1997-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsushi Tomita. Retrieved from https://idiyas.com/inventor/katsushi-tomita

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

USPTO Granted Patents = 3 

% Patents Active = 66.7


Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 38(Granted Patents)


Location History:

  • Kanonji, JP (1997)
  • Kagawa, JP (2002 - 2010)

Company Filing History:


Years Active: 1997-2010

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3 patents (USPTO):Explore Patents

Title: Innovations by Katsushi Tomita

Introduction

Katsushi Tomita is a notable inventor based in Kagawa, Japan. He has made significant contributions to the field of product design and manufacturing, particularly in the area of wipers and absorptive articles. With a total of 3 patents to his name, Tomita's work reflects a commitment to enhancing product functionality and user experience.

Latest Patents

One of Tomita's latest patents is for a wiper and method for manufacturing the same. This innovative wiper is designed to be highly retentive of water, soft to the touch, and improved in sheet strength. The manufacturing method involves an interlining layer that contains pulp fibers, while the first and second surfacing layers consist of non-fusible fibers. Additionally, a reinforcing layer is made up of fusible fibers and rayon fibers, ensuring that the sheet surfaces remain free from fusible fibers.

Another significant patent is for an absorptive article containing titanium oxide. This article features a liquid-permeable surface material on the liquid receiving side. The surface material is constructed from a nonwoven fabric that includes an upper layer facing the skin of the wearer and a lower layer positioned beneath it. The fibers in the upper layer contain titanium oxide, while those in the lower layer exhibit a lower elongation percentage and higher tensile strength, as measured according to the JIS L 1013 standard.

Career Highlights

Katsushi Tomita is currently associated with Unicharm Corporation, a leading company in the field of hygiene products. His work at Unicharm has allowed him to focus on developing innovative solutions that meet consumer needs and improve product performance.

Collaborations

Tomita has collaborated with notable coworkers, including Masahiko Shikatani and Satoshi Mizutani. These collaborations have contributed to the advancement of his projects and the successful development of new products.

Conclusion

Katsushi Tomita's contributions to innovation in product design and manufacturing are commendable. His patents reflect a deep understanding of material properties and user requirements, making him a valuable figure in the field of invention.

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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