Takaaki Shimada

This inventor holds 26 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 5 EPO patents, primarily in Disposable Wearable Articles. Top assignees: Unicharm Corporation, Uni-Charm Co., Ltd., Tokuyama Corporation. Active years: 1995-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takaaki Shimada. Retrieved from https://idiyas.com/inventor/takaaki-shimada

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

USPTO Granted Patents = 26 (Patent Applications = 2)

% Patents Active = 46.2

CIPO Patents = 1

EPO Patents = 5 (Patent Applications = 7)

Average Co-Inventor Count = 2.3

ph-index = 13

Forward Citations = 707(Granted Patents)

Location History:

Shizuoka-ken, JP (1997)
Shita-gun, JP (1997)
Kagawa-ken, JP (2001 - 2013)
Kagawa, JP (1995 - 2014)

Company Filing History:

where one patent can have more than one assignee

Years Active: 1995-2014

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Areas of Expertise:

Disposable Diaper

Pants-Type Diaper

Absorbent Article

Pull-On Undergarment

Tapered Folding Guide

Decorative Element

Disposable Wearing Article

Body Fluids Absorbent

Sanitary Napkin

Manufacturing Method

Disposable Garment

Resin Composition

26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8915900 - Disposable pants-type diaper (2014-12-23),

2. 8486039 - Disposable diaper (2013-07-16),

3. 8372053 - Pants-type disposable wearing article (2013-02-12),

4. 7915477 - Disposable wearing article (2011-03-29),

5. 7588561 - Pull-on disposable wearing article with tapered folding guide lines and tucking zones (2009-09-15),

6. 7527617 - Disposable wearing article (2009-05-05),

7. 7331946 - Disposable pull-on undergarment (2008-02-19),

8. 7326193 - Disposable pants-type wearing article (2008-02-05),

9. 7169137 - Absorbent article having a decorative element (2007-01-30),

10. 7150729 - Disposable pull-on wearing article (2006-12-19),

11. 6994697 - Pull-on disposable diaper (2006-02-07),

12. 6767343 - Disposable pull-on diaper (2004-07-27),

13. 6726669 - Disposable pull-on garment (2004-04-27),

14. 6710222 - Disposable undergarment (2004-03-23),

15. 6676647 - Disposable pull-on undergarment (2004-01-13),

Title: Takaaki Shimada: Innovator in Disposable Diaper Technology

Introduction: Takaaki Shimada, a prominent inventor based in Kagawa-ken, Japan, is recognized for his significant contributions to the field of disposable diaper technology. With a remarkable portfolio of 26 patents, Shimada has focused on innovations that improve the functionality and reliability of diapers, showcasing his expertise in this essential consumer product.

Latest Patents: Among Shimada's latest inventions are two noteworthy patents for disposable pants-type diapers. The first patent presents a disposable diaper that includes front and rear waist regions featuring a unique elasticized structure. This design ensures a better fit around the waist while enhancing the absorption capability and preventing leaks. The second patent emphasizes a similar goal of preventing waste leakage without compromising the absorption efficiency of the liquid-absorbent structure. These innovations incorporate elastic members strategically placed across the diaper’s design, ensuring both comfort and effectiveness for users.

Career Highlights: Throughout his career, Takaaki Shimada has collaborated with leading companies in the industry, such as Unicharm Corporation. His work in these organizations has allowed him to leverage cutting-edge technology and research to develop disposable products that meet consumer demands. His inventive approach has positioned him as a key figure in advancements within the disposable diaper market.

Collaborations: In addition to his professional accomplishments, Shimada has worked alongside fellow innovators, including Seiji Suzuki and Kenji Nakamura. Their collaborative efforts have fostered an environment of creativity and technological advancement, further enhancing the impact of their shared work in the field of diaper innovation.

Conclusion: Takaaki Shimada's commitment to improving disposable diaper technology is evident through his extensive patent portfolio and collaborative efforts with industry leaders. His innovations not only enhance user experience but also contribute to the overall evolution of hygienic products. With a focus on functionality and comfort, Shimada continues to be a driving force in transforming everyday products for better usability and performance.

Profile summary based on public USPTO records.