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For the Inventor, By the Inventor

Funabashi, Japan

Hideaki Kitaoka

This inventor holds 10 USPTO granted patents. Top assignee: Unicharm Corporation. Active years: 1990-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideaki Kitaoka. Retrieved from https://idiyas.com/inventor/hideaki-kitaoka

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 10

Forward Citations = 818(Granted Patents)


Location History:

  • Chiba, JP (1992)
  • Funabashi, JP (1990 - 1997)
  • Kagawa-ken, JP (1999)
  • Tokyo, JP (2000)
  • Kagawa, JP (2002)

Company Filing History:

goldMedal10 out of 1,655 
 
Unicharm Corporation
 patents

Years Active: 1990-2002

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10 patents (USPTO):Explore Patents
1. 6425889 - Disposable diaper (2002-07-30),
2. 6146367 - Training pants for infants (2000-11-14),
3. 5885267 - Disposable body fluids absorbent article (1999-03-23),
4. 5662637 - Disposable absorbent article (1997-09-02),
5. 5607416 - Disposable absorbent pad (1997-03-04),
6. 5578024 - Disposable body fluids absorbent padding (1996-11-26),
7. 5342343 - Disposable training pants (1994-08-30),
8. 5342342 - Disposable diapers (1994-08-30),
9. 5114420 - Disposable diaper (1992-05-19),
10. 4904251 - Disposable diaper (1990-02-27),

Title: Innovations by Hideaki Kitaoka

Introduction

Hideaki Kitaoka is a prominent inventor based in Funabashi, Japan. He has made significant contributions to the field of disposable hygiene products, holding a total of 10 patents. His work focuses on enhancing the functionality and comfort of products such as diapers and training pants for infants.

Latest Patents

One of his latest innovations is a disposable diaper that includes a topsheet, which is covered, at least in one of the front and rear waist regions, with a liquid-resistant sheet. This sheet is bonded to the longitudinal end and transversely opposite side edges of that one of the front and rear waist regions. Additionally, an elastic foamed member is folded in two along a folding axis zone extending longitudinally and is placed strategically between the topsheet and the liquid-resistant sheet. This design ensures that the foamed member lies on an upper portion of a core in that one of the front and rear waist regions.

Another notable invention is training pants for infants. These pants consist of a pant body that includes a topsheet, a backsheet, and a water-impervious intermediate sheet. A wetness retaining sheet, made substantially of hydrophilic fibers such as rayon, is bonded to the topsheet intermittently in both longitudinal and transverse directions. The zones of the wetness retaining sheet that are not bonded to the topsheet extend continuously in the transverse direction, enhancing the product's usability.

Career Highlights

Hideaki Kitaoka is associated with Unicharm Corporation, a leading company in the hygiene product industry. His work has significantly impacted the design and functionality of disposable products, making them more user-friendly and effective.

Collaborations

He has collaborated with notable coworkers such as Hiroyuki Tanji and Takamitsu Igaue, contributing to the innovative environment at Unicharm Corporation.

Conclusion

Hideaki Kitaoka's contributions to the field of disposable hygiene products demonstrate his commitment to innovation and improvement. His patents reflect a deep understanding of user needs and product functionality, making him a valuable figure in the industry.

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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