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For the Inventor, By the Inventor

Yokohama, Japan

Atsuhiko Nitta

This inventor holds 18 USPTO granted patents, plus 1 CIPO patent. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Mitsui Chemicals, Inc.. Active years: 1987-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsuhiko Nitta. Retrieved from https://idiyas.com/inventor/atsuhiko-nitta

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 = 4.0

ph-index = 9

Forward Citations = 436(Granted Patents)


Location History:

  • Kanagawa, JP (1991 - 1994)
  • Yokohama, JP (1987 - 1997)

Company Filing History:

goldMedal17 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
silverMedal1 out of 1,816 
 
Mitsui Chemicals, Inc.
 patents

Years Active: 1987-1997

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18 patents (USPTO):Explore Patents
1. 5624998 - Hardenable composition, aqueous gel and applications (1997-04-29),
2. 5519088 - Hardenable composition, aqueous gel and applications thereof (1996-05-21),
3. 5306572 - EL element comprising organic thin film (1994-04-26),
4. 5292821 - Catonic acrylamide polymers and the applications of these polymers (1994-03-08),
5. 5239014 - Cationic acrylamide polymers and the applications of these polymers (1993-08-24),
6. 5200668 - Luminescence element (1993-04-06),
7. 5155191 - Preparation process of granular polymers (1992-10-13),
8. 5039757 - Method of manufacturing cationic acrylamide polymers, cationic (1991-08-13),
9. 4835312 - Production process of N-substituted amide compounds (1989-05-30),
10. 4828710 - Method for the extraction of water from macromolecular solutions (1989-05-09),
11. 4729834 - Method for adsorbing and desorbing (1988-03-08),
12. 4725499 - Polymer-coated solid materials (1988-02-16),
13. 4718899 - Urine absorbing and holding material (1988-01-12),
14. 4701283 - Process for preparing amidoalkanesulfonic acids (1987-10-20),
15. 4683258 - Agent for absorbing and releasing water vapor (1987-07-28),

Title: Atsuhiko Nitta: Innovator in Aqueous Gel Technology

Introduction

Atsuhiko Nitta is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of innovative aqueous gels. With a total of 18 patents to his name, Nitta's work has garnered attention for its practical applications and unique properties.

Latest Patents

One of Nitta's latest patents focuses on a hardenable composition and aqueous gel. This invention provides an aqueous gel that comprises a polymer of (meth)acrylamide or specific (meth)acrylamide derivatives, along with particulate metal oxides and an aqueous medium. The gel can be produced to have transparency, fire resistance, and the ability to prevent the spreading of flames. Additionally, it is highly elastic. When produced as a transparent gel, it becomes cloudy when heated or cooled, making it useful for shielding against heat rays or cold radiation.

Career Highlights

Throughout his career, Atsuhiko Nitta 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 materials science and contribute to various innovative projects.

Collaborations

Nitta has collaborated with several talented individuals in his field, including Hiroshi Itoh and Hideo Kamio. These partnerships have played a crucial role in advancing his research and development efforts.

Conclusion

Atsuhiko Nitta's contributions to the field of aqueous gel technology highlight his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to creating practical solutions that address real-world challenges.

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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