Hirokazu Aoyama

This inventor holds 73 USPTO granted patents and 12 published patent applications, plus 1 CIPO patent and 10 EPO patents, primarily in Fluoropolymer Production (CPC class 5701). Top assignees: Daikin Industries, Ltd., Daikin Kogyo Co., Ltd., The University of Tokyo. Active years: 1984-2026.

USPTO Granted Patents = 73 (Patent Applications = 12)

% Patents Active = 91.8

CIPO Patents = 1

EPO Patents = 10 (Patent Applications = 13)

Average Co-Inventor Count = 3.3

ph-index = 11

Forward Citations = 532(Granted Patents)

Forward Citations (Not Self Cited) = 517(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Takatsuki, JP (1986 - 1991)
Settsu, JP (1993 - 2014)
Osaka, JP (1984 - 2024)

Company Filing History:

70 out of 4,475

Daikin Industries, Ltd.

patents

3 out of 213

Daikin Kogyo Co., Ltd.

patents

1 out of 1,352

The University of Tokyo

patents

where one patent can have more than one assignee

Years Active: 1984-2026

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Areas of Expertise:

Fluoropolymer

Surfactant

Livestock Sensor

Polymerization

Elastomer

Photoresist

Carboxylic Acid

Hydrocarbon

Nanofiller

Dry Etching

Fluorinated Alcohols

Azeotropic Mixture

73 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12601618 - Casing for livestock sensor and livestock sensor (2026-04-14),

2. 12583947 - Method for producing fluoropolymer (2026-03-24),

3. 12410267 - Composition production method, and composition (2025-09-09),

4. 12410266 - Method for manufacturing fluoropolymer (2025-09-09),

5. 12404387 - Production method for fluoropolymer, surfactant for polymerization, and use of surfactant (2025-09-02),

6. 12012470 - Production method for fluoropolymer, surfactant for polymerization, and use of surfactant (2024-06-18),

7. 11999681 - Alkyl sulfate ester or salt of same (2024-06-04),

8. 11767379 - Method for manufacturing fluoropolymer (2023-09-26),

9. 11634514 - Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and composition (2023-04-25),

10. 11512155 - Production method for fluoropolymer, surfactant for polymerization, and use of surfactant (2022-11-29),

11. 11440875 - Sulfonic acid, carboxylic acid, and salts thereof (2022-09-13),

12. 11279814 - Production method for fluoropolymer, surfactant for polymerization, and use of surfactant (2022-03-22),

13. 11198670 - Hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester or salt thereof, and surfactant (2021-12-14),

14. 10865178 - Carboxylate salt or sulfonate salt, and surfactant (2020-12-15),

15. 8722809 - Process for preparing end-modified vinylidene fluoride elastomer (2014-05-13),

Title: The Innovative Journey of Inventor Hirokazu Aoyama

Introduction: Hirokazu Aoyama, a pioneering inventor hailing from Settsu, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Hirokazu Aoyama's latest patents showcase his continuous dedication to pushing the boundaries of technology and creativity, with a focus on improving everyday life through his inventions.

Career Highlights: Throughout his illustrious career, Hirokazu Aoyama has been recognized for his inventive spirit and problem-solving skills. His patents have revolutionized various industries, making him a prominent figure in the world of innovation.

Collaborations: Hirokazu Aoyama has collaborated with leading research institutions, universities, and companies to bring his ideas to life. These collaborations have not only enhanced his inventions but have also paved the way for future innovations.

Conclusion: In conclusion, Hirokazu Aoyama's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of inventions. His contributions continue to inspire aspiring inventors and shape the future of technology.