Ikuo Yamamoto

This inventor holds 57 USPTO granted patents and 12 published patent applications, plus 1 CIPO patent and 21 EPO patents, primarily in Fluoropolymer Technology (CPC class C08F). Top assignees: Daikin Industries, Ltd., Dow Corning Corporation, Nissin Chemical Industry Co., Ltd.. Active years: 1991-2025.

USPTO Granted Patents = 57 (Patent Applications = 12)

% Patents Active = 75.4

CIPO Patents = 1

EPO Patents = 21 (Patent Applications = 21)

Average Co-Inventor Count = 3.7

ph-index = 9

Forward Citations = 206(Granted Patents)

Forward Citations (Not Self Cited) = 185(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Settsu, JP (1996 - 2020)
Osaka, JP (1991 - 2024)

Company Filing History:

57 out of 4,475

Daikin Industries, Ltd.

patents

5 out of 2,921

Dow Corning Corporation

patents

2 out of 67

Nissin Chemical Industry Co., Ltd.

patents

4. 1 out of 484

Dow Silicones Corporation

patents

5. 1 out of 114

Nara Institute of Science and Technology

where one patent can have more than one assignee

Years Active: 1991-2025

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Areas of Expertise:

Fluoropolymer

Surface Treatment

Water Repellent

Fluorine-Containing

Urethane Compounds

Textile Treatment

Fluorosilicones

Copolymer

Greaseproof Paper

Composition

Fluorinated

Agent

57 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12475541 - Blemish evaluation method, droplet evaluation method, repellent evaluation method, and repellent evaluation device (2025-11-18),

2. 12473394 - Urethane compound (2025-11-18),

3. 12297589 - Water-repellent softening agent (2025-05-13),

4. 12195619 - Fluorine-containing polymer and surface treatment agent (2025-01-14),

5. 12168707 - Water repellent oil repellent agent for fibers and fiber product (2024-12-17),

6. 11970651 - Surface treatment agent (2024-04-30),

7. 11746268 - Surface treatment agent (2023-09-05),

8. 11634867 - Method for producing paper (2023-04-25),

9. 11072723 - Surface treatment agent (2021-07-27),

10. 11041038 - Water repellent composition (2021-06-22),

11. 11034785 - Copolymer, and surface treatment agent (2021-06-15),

12. 10640594 - Fluorine-containing composition and fluorine-containing polymer (2020-05-05),

13. 9988759 - Fluorosilicone polymers and surface treatment agent (2018-06-05),

14. 9688797 - Surface treatment agent (2017-06-27),

15. 9677220 - Fluoropolymers and treatment agent (2017-06-13),

Title: Ikuo Yamamoto: Pioneering Innovator in Technology

Introduction:

Ikuo Yamamoto, a distinguished inventor hailing from Settsu, Japan, has made significant strides in the realm of technological advancements. With a portfolio boasting 51 patents, Yamamoto's innovative spirit and commitment to excellence have propelled him to the forefront of the industry.

Latest Patents:

Among his latest patents is a groundbreaking surface treatment agent. This aqueous dispersion formula showcases a fluorine-free polymer, wax, aqueous medium, and emulsifier, designed for water- and oil-repellent properties. Additionally, Yamamoto's method for producing paper involves utilizing ionizing radiation or plasma to introduce a compound layer onto the paper base's surface.

Career Highlights:

Yamamoto's career spans across reputable companies like Daikin Industries, Ltd., and Dow Corning Corporation, where his expertise and ingenuity have flourished. His innovative solutions have not only garnered recognition but have also contributed significantly to the technological landscape.

Collaborations:

Throughout his journey, Yamamoto has collaborated with esteemed colleagues such as Shinichi Minami and Kayo Kusumi, enhancing his ability to push boundaries and explore new frontiers in technology. These collaborations have led to the development of revolutionary products and methodologies.

Conclusion:

In conclusion, Ikuo Yamamoto's dedication to innovation and unwavering pursuit of excellence have cemented his legacy as a trailblazer in the technology sector. His patents and inventions continue to inspire future generations of inventors, shaping the industry for years to come with his pioneering spirit and visionary approach.