Katsuyoshi Sasagawa

This inventor holds 45 USPTO granted patents, primarily in Optical Materials. Top assignee: Mitsui Toatsu Chemicals, Incorporated. Active years: 1982-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuyoshi Sasagawa. Retrieved from https://idiyas.com/inventor/katsuyoshi-sasagawa

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

USPTO Granted Patents = 45

% Patents Active = 100.0

Average Co-Inventor Count = 4.1

ph-index = 16

Forward Citations = 837(Granted Patents)

Location History:

Kanagawa, JP (1990 - 1995)
Yokohama, JP (1982 - 1998)
Kanagawa-ken, JP (1996 - 1998)

Company Filing History:

45 out of 1,379

Mitsui Toatsu Chemicals, Incorporated

patents

Years Active: 1982-1998

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Areas of Expertise:

Optical Materials

High-Refractive Index

Polymerizable Resin

Plastic Lenses

Urethane Resin

Transparent Resin

Casting Epoxy

Monomer Preparation

Surface Hardness

Alicyclic Compounds

Mercapto Compounds

Laminated Materials

45 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5756766 - Composition for optical materials and use thereof (1998-05-26),

2. 5753730 - Plastic lenses having a high-refractive index, process for the (1998-05-19),

3. 5693738 - Composition for urethane-base plastic lens, urethane-base plastic lens (1997-12-02),

4. 5652321 - Composition for optical materials and use thereof (1997-07-29),

5. 5594088 - Plastic lenses having a high-refractive index, process for the (1997-01-14),

6. 5578658 - High-speed polymerizable resin composition and lenses obtained therefrom (1996-11-26),

7. 5451695 - Polymerizable monomer useful for the preparation of high hardness (1995-09-19),

8. 5440358 - Optical lens comprised of high surface hardness transparent resin (1995-08-08),

9. 5393607 - Laminated transparent plastic material and polymerizable monomer (1995-02-28),

10. 5374668 - Casting epoxy resin, polythiol and releasing agent to form lens (1994-12-20),

11. 5352758 - Mercapto compound, its preparation process, and sulfur-containing (1994-10-04),

12. 5336749 - Alicyclic diamines, alicyclic diisocyanates and (1994-08-09),

13. 5306799 - High refractive index plastic lens and composition therefor (1994-04-26),

14. 5283312 - Mercapto compound, its preparation process, and sulfur-containing (1994-02-01),

15. 5260439 - Polymerizable monomer having at least one isopropenyl phenyl group and (1993-11-09),

Title: The Innovative Mind of Katsuyoshi Sasagawa

Introduction:

Katsuyoshi Sasagawa is a pioneering inventor hailing from Yokohama, Japan. His creative spirit and dedication to innovation have led to groundbreaking advancements in various fields.

Latest Patents:

Sasagawa's recent patents showcase his expertise in developing cutting-edge technologies that have the potential to revolutionize industries worldwide. His commitment to pushing the boundaries of what is possible is evident in each of his patented inventions.

Career Highlights:

Throughout his illustrious career, Sasagawa has consistently demonstrated a knack for identifying gaps in the market and devising ingenious solutions to fill them. His innovative approach to problem-solving has earned him a reputation as a trailblazer in the world of invention.

Collaborations:

Sasagawa's collaborative efforts with leading research institutions, universities, and companies have been instrumental in bringing his visionary ideas to life. By working closely with experts from diverse backgrounds, he has been able to leverage their knowledge and expertise to enhance the impact of his inventions.

Conclusion:

In conclusion, Katsuyoshi Sasagawa stands as a testament to the power of innovation and perseverance. His remarkable contributions to the world of inventions have not only transformed industries but have also inspired future generations of inventors to dream big and 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]