Hiroshi Maeda

Calculating rank

USPTO Granted Patents = 5

% Expired Patents = 40.0

CIPO Patents = 3

Forward Citations = 14

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13 inventors (with patents filed for the assignee):

Hiroshi Maeda (4 out of 30 patents)

Makoto Hashizume (1 out of 19 patents)

Masaharu Murata (1 out of 5 patents)

4. Jun Fang (1 out of 4 patents)

5. Hideaki Nakamura (1 out of 4 patents)

6. Haibo Qin (1 out of 2 patents)

7. Steffen Hackbarth (1 out of 3 patents)

8. Khaled Greish (1 out of 2 patents)

9. Takaaki Akaike (1 out of 11 patents)

10. Fujio Suzuki (1 out of 10 patents)

11. Tatsuya Oda (1 out of 2 patents)

12. Yoichi Miyamoto (1 out of 2 patents)

13. Kazuhiro Tsutsumi (1 out of 1 patent)

14. Junsuke Tone (60 patents)

15. Takuro Omori (7 patents)

5 patents: Sort by Forward Citations

1. 10946109 - Polymer-type fluorescent molecule probe (2021-03-16),

2. 8128959 - Polymeric pharmaceutical agent for treatment of cancer and method for production of the same (2012-03-06),

3. 5629211 - Veterinary diagnostic test (1997-05-13),

4. 5464857 - 2-phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide derivatives and (1995-11-07),

5. 5137820 - Superoxide dismutase derivatives, a method of producing the same and (1992-08-11),

Company Overview

Hiroshi Maeda is a renowned Japanese entrepreneur and business executive. With over 20 years of experience in various industries including technology, finance, and healthcare, Hiroshi Maeda has built a reputation for driving innovation and delivering results. As the founder and CEO of Hiroshi Maeda Co., he continues to lead the company to new heights of success and growth.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

5 Patents

#17 in Kumamoto

#6,661 in Japan

Kumamoto, Japan

Hiroshi Maeda

Forward Citations = 14

13 inventors:

Hiroshi Maeda (4 out of 30 patents)

Makoto Hashizume (1 out of 19 patents)

Masaharu Murata (1 out of 5 patents)

4. Jun Fang (1 out of 4 patents)

5. Hideaki Nakamura (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hiroshi Maeda. Retrieved from https://idiyas.com/company/hiroshi-maeda

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]

3 patents (CIPO):

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]