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For the Inventor, By the Inventor

Chiba, Japan

Minato Karasawa

This inventor holds 13 USPTO granted patents, plus 1 CIPO patent, primarily in Resin Chemistry. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Mitsui Chemicals, Inc.. Active years: 1992-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Minato Karasawa. Retrieved from https://idiyas.com/inventor/minato-karasawa

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 100.0


Average Co-Inventor Count = 4.8

ph-index = 5

Forward Citations = 47(Granted Patents)


Location History:

  • Chiba, JP (1992 - 1996)
  • Chiba-ken, JP (1996 - 1997)
  • Mobara, JP (1993 - 2000)

Company Filing History:

goldMedal11 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
silverMedal2 out of 1,822 
 
Mitsui Chemicals, Inc.
 patents

Years Active: 1992-2000

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Areas of Expertise:
Curing Agent
Resin Composition
Epoxy Resins
Diguanamines
Amide Compounds
Carboxylic Acids
Dicarbonitriles
Production Process
13 patents (USPTO):Explore Patents
1. 6063893 - Curing agent for resins and resin composition containing the same (2000-05-16),
2. 5789520 - Curing agent for resins and resin composition containing the same (1998-08-04),
3. 5631332 - Curing agents for epoxy resins comprising (1997-05-20),
4. 5596039 - Diguanamines and preparation process, derivatives and use thereof (1997-01-21),
5. 5545702 - Diguanamines and preparation process, derivatives and use thereof (1996-08-13),
6. 5536795 - Diguanamines and preparation process, derivatives and use thereof (1996-07-16),
7. 5480947 - Diguanamines and preparation process, derivatives and use thereof (1996-01-02),
8. 5387715 - Process for producing .alpha.-hydroxy-isobutyramide (1995-02-07),
9. 5276185 - Process for producing amide compounds (1994-01-04),
10. 5268506 - Process for producing .alpha., .beta.-unsaturated carboxylic acid (1993-12-07),
11. 5268503 - Process for producing .alpha.,.beta.-unsaturated carboxylic acid esters (1993-12-07),
12. 5169971 - Process for producing norcamphane dicarbonitriles (1992-12-08),
13. 5087722 - Process for producing norcamphane dicarbonitriles (1992-02-11),

Title: Minato Karasawa: Innovator in Resin Technology

Introduction

Minato Karasawa is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of resin technology, holding a total of 13 patents. His work focuses on developing curing agents that enhance the properties of resins, making them more effective and versatile.

Latest Patents

Karasawa's latest patents include a curing agent for resins and a resin composition containing the same. This innovative curing agent is designed to have less odor while providing a cured resin that excels in appearance, mechanical properties, water resistance, and chemical resistance. Additionally, he has developed a one-component type humidity-curing resin composition that boasts excellent storage stability and results in a cured matter with outstanding physical properties. Specifically, his patents involve polyaminoamide or ketimine obtained by dehydrating 2,5- and/or 2,6-bis(aminomethyl)-bicyclo[2.2.1]heptane with carboxylic acids or ketones. This technology is applicable in creating a curing agent for epoxy resins and a one-component type humidity-curing epoxy resin or urethane prepolymer composition.

Career Highlights

Throughout his career, Karasawa has worked with notable companies such as Mitsui Toatsu Chemicals, Incorporated and Mitsui Chemicals, Inc. His experience in these organizations has allowed him to refine his expertise in resin technology and contribute to various innovative projects.

Collaborations

Some of his notable coworkers include Masamitsu Inomata and Tetsuya Oishi. Their collaboration has likely fostered an environment of innovation and creativity, leading to advancements in resin applications.

Conclusion

Minato Karasawa's contributions to resin technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of high-performance resins that meet modern demands.

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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