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For the Inventor, By the Inventor

Tsukuba, Japan

Takeo Matsumoto

This inventor holds 11 USPTO granted patents. Top assignees: Nippon Oil Fats Co., Ltd., Nof Corporation. Active years: 1988-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeo Matsumoto. Retrieved from https://idiyas.com/inventor/takeo-matsumoto

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 6

Forward Citations = 141(Granted Patents)


Location History:

  • Ibaragi, JP (1988)
  • Sakuramura, JP (1990)
  • Ibaraki, JP (1989 - 1994)
  • Tsukuba, JP (1992 - 1995)

Company Filing History:

goldMedal6 out of 297 
 
Nippon Oil Fats Co., Ltd.
 patents
silverMedal5 out of 344 
 
Nof Corporation
 patents

Years Active: 1988-1995

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11 patents (USPTO):Explore Patents
1. 5466853 - Diester monomer, its polymer, water-containing soft contact lens, and (1995-11-14),
2. 5461433 - Highly hydrous soft contact lens and a treating solution for contact (1995-10-24),
3. 5414065 - Polymer comprising fluoroalkyl group, a method of preparation thereof, a (1995-05-09),
4. 5348890 - Trioxane derivatives, and method for the chemiluminescence (1994-09-20),
5. 5338877 - Fluoroalkyl group-containing organosilicon oligomer, method for (1994-08-16),
6. 5324803 - Polymer comprising fluoroalkl group, a method of preparation thereof, a (1994-06-28),
7. 5288891 - Fluoralykyl group-containing organosilicon oligomer, method for (1994-02-22),
8. 5130126 - Polymer-drug conjugate and a method of producing it (1992-07-14),
9. 4923905 - Light curable dental composition (1990-05-08),
10. 4824876 - Light curable dental liquid or paste (1989-04-25),
11. 4746685 - Light curable dental composition (1988-05-24),

Title: Takeo Matsumoto: Innovator in Polymer Chemistry

Introduction

Takeo Matsumoto is a distinguished inventor based in Tsukuba, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of innovative materials for contact lenses. With a total of 11 patents to his name, Matsumoto's work has had a lasting impact on the industry.

Latest Patents

Matsumoto's latest patents include groundbreaking inventions such as a diester monomer and its polymer, as well as a water-containing soft contact lens. The diester monomer is represented by a specific formula, where R1, R2, and R3 can denote various chemical groups. This monomer serves as a starting component for polymerizing into a polymer and a water-containing contact lens. Additionally, he has developed a highly hydrous soft contact lens that comprises a copolymer containing a monomer similar to phospholipid. This innovation is accompanied by a treating solution for contact lenses that includes a polymer and a solvent.

Career Highlights

Throughout his career, Matsumoto has worked with notable companies such as Nippon Oil & Fats Co. Ltd. and Nof Corporation. His expertise in polymer chemistry has allowed him to contribute to various projects that enhance the functionality and comfort of contact lenses.

Collaborations

Matsumoto has collaborated with esteemed colleagues, including Hideo Sawada and Motohiro Mitani. These partnerships have fostered a creative environment that has led to significant advancements in their respective fields.

Conclusion

Takeo Matsumoto's innovative work in polymer chemistry and his numerous patents highlight his role as a key figure in the development of advanced materials for contact lenses. His contributions continue to influence the industry and improve the quality of vision care products.

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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