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For the Inventor, By the Inventor

Tokyo, Japan

Mitsugu Iwatsubo

This inventor holds 11 USPTO granted patents and 2 published patent applications and 5 EPO patents. Top assignee: Kao Corporation. Active years: 2001-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsugu Iwatsubo. Retrieved from https://idiyas.com/inventor/mitsugu-iwatsubo

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

USPTO Granted Patents = 11 

% Patents Active = 72.7

 

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 55(Granted Patents)


Location History:

  • Tokyo, JP (2001 - 2015)
  • Sumida-ku, JP (2014 - 2022)
  • Tama, JP (2021 - 2024)

Company Filing History:

goldMedal11 out of 3,678 
 
Kao Corporation
 patents

Years Active: 2001-2026

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11 patents (USPTO):Explore Patents
1. 12515848 - Sheet material container (2026-01-06),
2. 11878841 - Sheet material container (2024-01-23),
3. 11332292 - Container (2022-05-17),
4. 11267617 - Sheet material container (2022-03-08),
5. 11059626 - Sheet material container (2021-07-13),
6. 9114903 - Squeeze container (2015-08-25),
7. 8833612 - Fixed quantity discharge squeeze container (2014-09-16),
8. 7052752 - Container for oxidation dye (2006-05-30),
9. 7044334 - Double container (2006-05-16),
10. 6959840 - Cap for double container (2005-11-01),
11. 6332726 - Container provided applicator (2001-12-25),

Title: Innovations of Mitsugu Iwatsubo

Introduction

Mitsugu Iwatsubo is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of packaging technology, holding a total of 11 patents. His innovative designs focus on enhancing the functionality and usability of containers.

Latest Patents

Iwatsubo's latest patents include a unique sheet material container. This invention features a body portion and a bottom portion made from a sheet material that consists of multiple film layers. The design includes a bonding portion where the peripheral edges of the sheet materials are bonded. Additionally, the bottom portion has a non-adhesive region that forms a bottom filler-filled portion, allowing the container to stand independently on a placement surface. Another notable patent is for a container that includes an inner container for accommodating an article, which is covered by a cover made from a lamination of several film layers. This cover has bulging filler enclosing parts that enhance its structural integrity.

Career Highlights

Mitsugu Iwatsubo is currently employed at Kao Corporation, where he continues to innovate in packaging solutions. His work has significantly impacted the industry, leading to advancements in how products are contained and presented.

Collaborations

Iwatsubo collaborates with talented coworkers, including Yoshinori Inagawa and Takahiro Otsuka. Their combined expertise fosters a creative environment that drives innovation within their projects.

Conclusion

Mitsugu Iwatsubo's contributions to the field of packaging technology exemplify the spirit of innovation. His patents reflect a commitment to improving product usability and 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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