Aiphone Co., Ltd., headquartered in Nagoya, Japan, specializes in the development and manufacturing of advanced intercom systems. The company focuses on a range of communication technologies, including intercom devices, nurse call systems, and doorbell systems, catering to various environments such as multiple dwelling houses and collective housing. Aiphone is recognized for its commitment to enhancing communication and security through innovative solutions, making it a key player in the intercom and building communication sectors.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

78 Patents

#19 in Nagoya

#1,326 in Japan

#9,688 in the World

Nagoya, Japan

Aiphone Co., Ltd.

Forward Citations = 1,001

52 inventors:

Kotaro Takahata (17 out of 18 patents)

Toshio Hotta (16 out of 16 patents)

Seiya Yamakawa (11 out of 11 patents)

4. Yuta Shimomura (8 out of 8 patents)

5. Masashi Hattori (6 out of 53 patents)

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

1 patent (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]

23 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]