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For the Inventor, By the Inventor

Iwakuni, Japan

Hiromi Shigemoto

This inventor holds 18 USPTO granted patents. Top assignee: Mitsui Petrochemical Industries, Ltd.. Active years: 1983-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromi Shigemoto. Retrieved from https://idiyas.com/inventor/hiromi-shigemoto

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

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 8

Forward Citations = 163(Granted Patents)


Location History:

  • Iwakuni, JP (1983 - 1992)
  • Yamaguchi, JP (1992)
  • Waki, JP (1996)
  • Waki-cho, JP (1997)

Company Filing History:

goldMedal18 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents

Years Active: 1983-1997

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18 patents (USPTO):Explore Patents
1. 5693418 - Laminated film or sheet and box-shaped vessel prepared therefrom (1997-12-02),
2. 5480718 - Laminated film or sheet and box-shaped vessel prepared therefrom (1996-01-02),
3. 5106692 - Laminated structure comprising 4-methylpentene-1 bonded to thermoplastic (1992-04-21),
4. 5100941 - Polyolefin resin composition (1992-03-31),
5. 5096646 - Process for producing rubber tube and resin coating device used therein (1992-03-17),
6. 5080979 - Release film composed of a laminate (1992-01-14),
7. 5077123 - Laminated film having poly(4-methyl-1-penetene) base layer (1991-12-31),
8. 5025057 - 4-methyl-1-pentene polymer compositions (1991-06-18),
9. 4988558 - Laminated film (1991-01-29),
10. 4983674 - Hot melt adhesive compositions (1991-01-08),
11. 4938910 - Mandrel for production of rubber hose (1990-07-03),
12. 4880589 - Process of making a non-oriented, surface-roughened film or sheet (1989-11-14),
13. 4837277 - Poly(4-methyl-1-pentane) composition and articles molded therefrom (1989-06-06),
14. 4777201 - Surface-roughened film and sheet, and process for production and use (1988-10-11),
15. 4731400 - Thermoplastic resin composition (1988-03-15),

Title: The Innovative Mind of Hiromi Shigemoto

Introduction

Hiromi Shigemoto, an accomplished inventor from Iwakuni, Japan, is known for her remarkable contributions to the field of materials science. With a total of 18 patents to her name, she has made significant advancements in the development of laminated films and packaging materials. Her work is centered around enhancing the properties of such materials to meet the demands of modern applications.

Latest Patents

Among her latest inventions is a patented laminated film or sheet that utilizes poly-4-methyl-1-pentene laminated on a paper layer. This innovative approach prevents the formation of cracks and other defects in the resin layer while improving oil and fat impermeability. The invention can also incorporate an intermediate layer of a specific polymer, which further enhances the impermeability of the material. This laminated film or sheet is versatile, leading to the creation of box-shaped vessels (cartons) and release paper suitable for artificial leather applications.

Career Highlights

Hiromi Shigemoto has been an integral part of Mitsui Petrochemical Industries, Ltd., where she has dedicated her expertise to developing cutting-edge materials. Her innovative spirit and technical knowledge have been pivotal in driving the company's advancements in the petroleum and chemical industries.

Collaborations

Throughout her career, Hiromi has collaborated with notable coworkers, including Akio Yamamoto and Shunji Abe. These partnerships have facilitated the exchange of ideas and fostered a collaborative environment that champions innovation, resulting in several successful patent applications.

Conclusion

Hiromi Shigemoto stands out as a leading figure in material innovation. Her extensive patent portfolio and dedication to enhancing product performance not only mark her as a prominent inventor but also contribute to the evolution of packaging and materials in various industries. As she continues to push the boundaries of what is possible, her work inspires future generations of innovators.

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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