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For the Inventor, By the Inventor

Kawagoe, Japan

Tohru Sasaki

This inventor holds 17 USPTO granted patents, primarily in Disposable Garments. Top assignee: Unicharm Corporation. Active years: 1991-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Sasaki. Retrieved from https://idiyas.com/inventor/tohru-sasaki-8z4fi1md

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

Calculating rank
USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 15

Forward Citations = 1,043(Granted Patents)


Company Filing History:

goldMedal17 out of 1,655 
 
Unicharm Corporation
 patents

Years Active: 1991-1999

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Areas of Expertise:
Disposable Training Pants
Disposable Garments
Pants Type Diaper
Elastic Members
Diaper Pants
Wearing Article
Attachment Methods
Disposable Diapers
Garment Design
Disposable Clothing
Hygienic Products
Childcare Articles
17 patents (USPTO):Explore Patents
1. 5891124 - Disposable training pants (1999-04-06),
2. 5645543 - Disposable garments (1997-07-08),
3. 5626574 - Disposable diaper (1997-05-06),
4. 5626573 - Pants type disposable diaper (1997-05-06),
5. 5447508 - Disposable diapers (1995-09-05),
6. 5413654 - Disposable garments and method for attachment of elastic members around (1995-05-09),
7. 5342343 - Disposable training pants (1994-08-30),
8. 5342341 - Disposable garments and method for attachment of elastic members around (1994-08-30),
9. 5334152 - Disposable garments (1994-08-02),
10. D340283 - Diaper pants (1993-10-12),
11. D335707 - Diaper pants (1993-05-18),
12. 5197960 - Disposable garments (1993-03-30),
13. 5188627 - Disposable garments of pants type (1993-02-23),
14. 5171239 - Disposable garments (1992-12-15),
15. D331627 - Diaper pants (1992-12-08),

Title: The Innovative Contributions of Tohru Sasaki

Introduction: Tohru Sasaki, an accomplished inventor based in Kawanoe, Japan, has made significant strides in the field of disposable personal care products with a remarkable portfolio of 17 patents. His inventive spirit and dedication to improving comfort and functionality in everyday products have led to groundbreaking innovations that benefit consumers around the world.

Latest Patents: Among his latest patents, Sasaki developed disposable training pants designed with a stretchable moisture holding sheet. This unique feature ensures that the sheet is bonded to the topsheet on the front and rear bodies, allowing for enhanced comfort and moisture retention. Another noteworthy invention is the design for disposable garments, which include a variety of options such as diapers, incontinence pants, and baby training pants. These garments incorporate two leg openings, elastic members, and a thoughtfully designed crotch portion, all aimed at providing a better fit and superior performance.

Career Highlights: Tohru Sasaki's tenure at Unicharm Corporation has been marked by a continuous pursuit of innovation and quality. His work has positioned the company as a leader in the disposable personal care market, with his designs setting new standards for comfort and effectiveness.

Collaborations: Throughout his career, Sasaki has collaborated with several talented peers, including Hironori Nomura and Takamitsu Igaue. Together, they have pushed the boundaries of product design and functionality, contributing to the success of Unicharm Corporation and improving consumers' lives through their innovations.

Conclusion: Tohru Sasaki's contributions to the field of disposable personal care products are a testament to his inventive prowess and dedication to enhancing everyday experiences. With 17 patents to his name, he continues to inspire future generations of inventors and innovators. His work not only reflects the spirit of innovation but also underscores the importance of comfort and practicality in daily life.

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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