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Daizo Corporation

USPTO Granted Patents = 25

% Expired Patents = 24.0

EPO Patents = 21

Forward Citations = 178

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21 inventors (with patents filed for the assignee):

Satoshi Mekata (17 out of 26 patents)

Hidetoshi Miyamoto (12 out of 13 patents)

Kimio Kataoka (10 out of 10 patents)

4. Kazuhiro Yamaguchi (8 out of 8 patents)

5. Shinya Sugawara (6 out of 6 patents)

6. Tomoyuki Takahashi (4 out of 4 patents)

7. Kazuhiro Matsui (3 out of 3 patents)

8. Masazumi Tanaka (3 out of 5 patents)

9. Takashi Otomo (2 out of 2 patents)

10. Shu Kashine (1 out of 1 patent)

11. Erika Matsuho (1 out of 1 patent)

12. Masaaki Seki (1 out of 3 patents)

13. Ryoichi Owada (1 out of 1 patent)

14. Kayo Nomura (1 out of 1 patent)

15. Shinya Takemoto (1 out of 1 patent)

Core Competencies:

Aerosol Actuator

Discharge Container

Double Pressurized Container

Ejection Member

Spray Nozzle

Valve Assembly

Two-Fluid Discharge

Manufacturing Method

Aerosol Product

Content-Accommodating Container

Discharge Device

Nozzle Hole Mechanism

25 patents: Sort by Forward Citations

1. 12280939 - Double pressurized container, discharge product, discharge member, dispenser system and manufacturing method for discharge product (2025-04-21),

2. 12179993 - Discharge apparatus (2024-12-31),

3. 11603257 - Double pressurized container, discharge product, discharge member, dispenser system and manufacturing method for discharge product (2023-03-14),

4. 11491501 - Content-accommodating container, content-accommodating product using same, discharge product, and discharge device (2022-11-08),

5. 11053067 - Discharging nozzle for foamable contents, and aerosol product (2021-07-06),

6. 10625931 - Two-fluid discharge container (2020-04-21),

7. 10625930 - Ejection member and aerosol product using same (2020-04-21),

8. D857501 - Aerosol actuator (2019-08-27),

9. 10384859 - Discharge container and method of reusing the same (2019-08-20),

10. 10226782 - Content-accommodating container, content-accommodating product using same, discharge product, and discharge device (2019-03-12),

11. 10160592 - Two-liquid discharge container (2018-12-25),

12. 10106311 - Two-fluid discharge container (2018-10-23),

13. 10071850 - Discharge container (2018-09-11),

14. 10029844 - Aerosol housing mechanism and aerosol-type product having the aerosol housing mechanism (2018-07-24),

15. 9926130 - Valve assembly and aerosol container equipped with the same, and aerosol product and process for production thereof (2018-03-27),

Company Overview

Daizo Corporation, headquartered in Osaka, Japan, specializes in the development and manufacturing of advanced materials and components for various industries. The company focuses on innovative solutions in fields such as electronics, automotive, and industrial applications. With a commitment to research and development, Daizo aims to enhance product performance and sustainability through cutting-edge technology. Their expertise in material science positions them as a key player in driving advancements across multiple sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

25 Patents

#277 in Osaka

#2,570 in Japan

#25,710 in the World

Daizo Corporation

Forward Citations = 178

21 inventors:

Satoshi Mekata (17 out of 26 patents)

Hidetoshi Miyamoto (12 out of 13 patents)

Kimio Kataoka (10 out of 10 patents)

4. Kazuhiro Yamaguchi (8 out of 8 patents)

5. Shinya Sugawara (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Daizo Corporation. Retrieved from https://idiyas.com/company/daizo

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

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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