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For the Inventor, By the Inventor

Shimotsuma, Japan

Katsuji Shibata

This inventor holds 10 USPTO granted patents. Top assignee: Hitachi Chemical Company, Ltd.. Active years: 1989-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuji Shibata. Retrieved from https://idiyas.com/inventor/katsuji-shibata

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 = 90.0

Average Co-Inventor Count = 4.1

ph-index = 4

Forward Citations = 51(Granted Patents)


Location History:

  • Shimozuma, JP (1989)
  • Ibaraki-ken, JP (2004)
  • Ibaraki, JP (2005)
  • Shimotsuma, JP (1992 - 2007)

Company Filing History:

goldMedal10 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents

Years Active: 1989-2007

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10 patents (USPTO):Explore Patents
1. 7202283 - Method for dissolving saturated polyester solution for decomposing saturated polyester and method for decomposition using the same (2007-04-10),
2. 6962628 - Method of treating epoxy resin-cured product (2005-11-08),
3. 6780894 - Treatment liquid for cured unsaturated polyester resin and treatment method thereof (2004-08-24),
4. 6153359 - Process for producing multilayer printed circuit boards (2000-11-28),
5. 5945258 - Process for producing multilayer printed circuit boards (1999-08-31),
6. 5391687 - Method of producing high molecular weight epoxy resin using an amide (1995-02-21),
7. 5304399 - Method of producing epoxy resin film (1994-04-19),
8. 5225268 - Epoxy resin film and method of producing epoxy resin film (1993-07-06),
9. 5115089 - Processes for preparation of polyimide-isoindroquinazolinedione and (1992-05-19),
10. 4833204 - Epoxy resin composition for a copper-clad laminate (1989-05-23),

Title: Katsuji Shibata: Innovator in Polyester and Epoxy Resin Recycling

Introduction

Katsuji Shibata is a prominent inventor based in Shimotsuma, Japan. He has made significant contributions to the field of material recycling, particularly focusing on saturated polyester and epoxy resin. With a total of 10 patents to his name, Shibata's work is pivotal in advancing sustainable practices in material usage.

Latest Patents

Shibata's latest patents include a method for dissolving saturated polyester solutions aimed at decomposing saturated polyester. This invention provides a cost-effective and efficient way to recycle saturated polyester used in various applications such as fibers, films, and bottles. Another notable patent is a method for treating epoxy resin-cured products. This method allows for the recovery of resin components in a recyclable state without causing thermal decomposition, thus promoting sustainability in material recovery.

Career Highlights

Katsuji Shibata is associated with Hitachi Chemical Company, Ltd., where he has been instrumental in developing innovative recycling methods. His expertise in material science has led to advancements that not only benefit the company but also contribute to environmental sustainability.

Collaborations

Shibata has collaborated with notable colleagues such as Hiroshi Shimizu and Kazuhito Kobayashi. These partnerships have fostered a collaborative environment that enhances innovation and drives research in material recycling.

Conclusion

Katsuji Shibata's contributions to the field of recycling and material science are commendable. His innovative patents and collaborative efforts continue to pave the way for sustainable practices 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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