% Expired Patents = 100.0

EPO Patents = 2

Forward Citations = 3

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3 inventors (with patents filed for the assignee):

Ahmed Abd El-Moneim (3 out of 3 patents)

Naokazu Kumagai (3 out of 12 patents)

Koji Hashimoto (3 out of 32 patents)

3 patents: Sort by Forward Citations

1. 7914653 - Anode for electrochemical reaction (2011-03-29),

2. 7811426 - Oxygen evolution electrode (2010-10-12),

3. 7803260 - Oxygen evolution electrode (2010-09-28),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#3,548 in Tokyo

#8,932 in Japan

Tokyo, Japan

Daiki Ataka Engineering Co., Ltd.

Forward Citations = 3

3 inventors:

Ahmed Abd El-Moneim (3 out of 3 patents)

Naokazu Kumagai (3 out of 12 patents)

Koji Hashimoto (3 out of 32 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Daiki Ataka Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/daiki-ataka-engineering-company

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]

2 patents (EPO):

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]