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For the Inventor, By the Inventor

Kyoto, Japan

Romm Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 0

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3 inventors (with patents filed for the assignee):

goldMedal Toru Takuma (1 out of 26 patents)

silverMedal Akihiro Kawano (1 out of 10 patents)

bronzeMedal Kenji Muraoka (1 out of 1 patent)


2 patents:

1. 12074524 - Control circuit of step-down converter, step-down converter, and electronic equipment (2024-08-27),
2. 11994889 - Overcurrent protection circuit, switch device, electronic apparatus, and vehicle (2024-05-28),
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USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#292 in Kyoto

#11,133 in Japan

Kyoto, JP
Kyoto, Japan

Romm Co., Ltd.

Forward Citations = 0

3 inventors:

goldMedal Toru Takuma (1 out of 26 patents)

silverMedal Akihiro Kawano (1 out of 10 patents)

bronzeMedal Kenji Muraoka (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Romm Co., Ltd.. Retrieved from https://idiyas.com/company/romm-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]
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