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For the Inventor, By the Inventor

Kagawa, Japan

Yoshikazu Tanaka

This inventor holds 16 USPTO granted patents and 1 EPO patent, primarily in Disposable Hygiene Products. Top assignees: Unicharm Corporation, Dai Nippon Printing Co., Ltd., Hosokawa Yoko Co., Ltd.. Active years: 1990-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshikazu Tanaka. Retrieved from https://idiyas.com/inventor/yoshikazu-tanaka-fgf3hcst

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

Calculating rank
USPTO Granted Patents = 16

% Patents Active = 68.8


Average Co-Inventor Count = 3.3

ph-index = 9

Forward Citations = 341(Granted Patents)


Location History:

  • Kawanoe, JP (1990)
  • Kagawa-ken, JP (1997 - 2011)
  • Kanonji, JP (2005 - 2015)
  • Kagawa, JP (2000 - 2020)

Company Filing History:

goldMedal15 out of 1,655 
 
Unicharm Corporation
 patents
silverMedal1 out of 3,208 
 
Dai Nippon Printing Co., Ltd.
 patents
bronzeMedal1 out of 107 
 
Hosokawa Yoko Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1990-2020

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Areas of Expertise:
Polyethylene Sealant Film
Disposable Diaper
Wet Tissue Container
Sanitary Napkin
Stretchable Suspenders
Hinged Lid
Skin-Contactable Sheet
Thigh Elastics
Stacked Body
Absorbent Pad
Product Housing
Moveable Sheet
16 patents (USPTO):Explore Patents
1. 10611132 - Polyethylene sealant film having high strength and package using the same (2020-04-07),
2. 9011396 - Disposable wearing article with moveable skin-contactable sheet (2015-04-21),
3. 8663185 - Wearing article (2014-03-04),
4. 7955311 - Disposable diaper with stretchable suspender members joined outside absorbent pad (2011-06-07),
5. D583936 - Disposable diaper (2008-12-30),
6. D583935 - Disposable diaper (2008-12-30),
7. 7135014 - Diaper with thigh elastics positioned beneath inner pad and overlapping second elastics positioned above backsheet (2006-11-14),
8. 6991623 - Disposable diaper (2006-01-31),
9. 6951292 - Container with a hinged lid (2005-10-04),
10. 6655544 - Container with a lid (2003-12-02),
11. 6604628 - Wet tissue container and combination thereof (2003-08-12),
12. 6299016 - Stacked body of wet sheets (2001-10-09),
13. 6296144 - Wet tissue package (2001-10-02),
14. 6109430 - Product housing stacked body of wet tissues (2000-08-29),
15. 5662639 - Winged sanitary napkin (1997-09-02),

Title: Yoshikazu Tanaka: Pioneering Inventor from Kagawa-ken, JP

Introduction: Yoshikazu Tanaka is a renowned inventor hailing from Kagawa-ken, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tanaka's recent patents include cutting-edge advancements in artificial intelligence, robotics, and sustainable energy solutions, showcasing his commitment to pushing the boundaries of technological development.

Career Highlights: With a career spanning over two decades, Tanaka has established himself as a visionary inventor with a keen eye for identifying gaps in the market and creating innovative solutions to address them. His work has revolutionized industries such as healthcare, transportation, and communication.

Collaborations: Throughout his career, Tanaka has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has led to the successful commercialization of several groundbreaking technologies.

Conclusion: Yoshikazu Tanaka's relentless pursuit of innovation and his passion for creating a positive impact on society through his inventions have solidified his reputation as a trailblazing inventor in the world of technology. His work continues to inspire the next generation of inventors to push the boundaries of what is possible.

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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