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For the Inventor, By the Inventor

Kanonji, Japan

Taiji Shimakawa

This inventor holds 14 USPTO granted patents, plus 1 CIPO patent. Top assignee: Unicharm Corporation. Active years: 1990-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Taiji Shimakawa. Retrieved from https://idiyas.com/inventor/taiji-shimakawa

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

USPTO Granted Patents = 14

% Patents Active = 85.7


Average Co-Inventor Count = 5.0

ph-index = 12

Forward Citations = 835(Granted Patents)


Location History:

  • Kawanoe, JP (1990 - 1992)
  • Kanonji, JP (1992 - 2001)
  • Kagawa-ken, JP (2006 - 2009)

Company Filing History:

goldMedal14 out of 1,655 
 
Unicharm Corporation
 patents

Years Active: 1990-2009

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14 patents (USPTO):Explore Patents
1. 7503911 - Disposable wearing article (2009-03-17),
2. 7141132 - Process for making disposable wearing article (2006-11-28),
3. RE37154 - Method of manufacturing disposable underpants by applying annular adhesive zones to the backsheet and top sheet for retaining elastic for leg holes (2001-05-01),
4. 5413654 - Disposable garments and method for attachment of elastic members around (1995-05-09),
5. 5342341 - Disposable garments and method for attachment of elastic members around (1994-08-30),
6. D340283 - Diaper pants (1993-10-12),
7. 5213645 - Method for attachment of elastic members around leg-holes of disposable (1993-05-25),
8. D335707 - Diaper pants (1993-05-18),
9. 5188627 - Disposable garments of pants type (1993-02-23),
10. D331627 - Diaper pants (1992-12-08),
11. 5147487 - Method of manufacturing disposable underpants by applying annular (1992-09-15),
12. 5091039 - Method and apparatus for applying elastic band onto moving web (1992-02-25),
13. 5080741 - Method for manufacturing disposable garments (1992-01-14),
14. 4941939 - Apparatus for applying an elastic band onto a moving web (1990-07-17),

Title: Taiji Shimakawa: Innovator in Disposable Wearing Articles

Introduction

Taiji Shimakawa is a prominent inventor based in Kanonji, Japan. He has made significant contributions to the field of disposable wearing articles, holding a total of 14 patents. His innovative designs focus on enhancing the functionality and comfort of these products.

Latest Patents

Among his latest patents is a disposable wearing article that includes a holder member composed of a front waist region, a rear waist region, and a crotch region. This holder member is designed with a through-hole in the crotch region, while the bodily discharge receiving member features a protrusion that can be inserted into the through-hole. This design allows for the creation of a concavity that effectively receives and retains bodily discharges. Another notable patent is for a process of making an elastically stretchable disposable wearing article. This article consists of a front waist region, a rear waist region, and a crotch region, with multiple elastic zones exhibiting varying stretch stress. The manufacturing process involves feeding an elastically stretchable web in a machine direction, forming pairs of slits in desired patterns, and folding the web to create the final product.

Career Highlights

Taiji Shimakawa is associated with Unicharm Corporation, a leading company in the hygiene products industry. His work has significantly advanced the design and functionality of disposable wearing articles, making them more user-friendly and effective.

Collaborations

He has collaborated with notable coworkers, including Hironori Nomura and Hiroki Yamamoto, who have contributed to the development of innovative solutions in the field.

Conclusion

Taiji Shimakawa's contributions to the field of disposable wearing articles demonstrate his commitment to innovation and improvement in everyday products. His patents reflect a deep understanding of user needs and a drive to enhance product functionality.

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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