EPO Patents = 2

Forward Citations = 0

Loading Chart...

3 inventors (with patents filed for the assignee):

Yoshitaka Murayama (2 out of 5 patents)

Akira Gotoh (2 out of 3 patents)

Yasushi Honda (1 out of 3 patents)

2 patents: Sort by Forward Citations

1. 9648435 - Sound-source separation method, apparatus, and program (2017-05-09),

2. 9445195 - Directivity control method and device (2016-09-13),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#1 in Agano

#11,133 in Japan

Agano, Japan

Kyoei Engineering Co., Ltd.

Forward Citations = 0

3 inventors:

Yoshitaka Murayama (2 out of 5 patents)

Akira Gotoh (2 out of 3 patents)

Yasushi Honda (1 out of 3 patents)

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