Nihon Onkyo Engineering Co., Ltd.

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USPTO Granted Patents = 2

Trademarks = 5

Forward Citations = 0

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6 inventors (with patents filed for the assignee):

Takahiro Mizuno (1 out of 3 patents)

Hiroshi Wada (1 out of 37 patents)

Yoshio Tadahira (1 out of 3 patents)

4. Osamu Kohashi (1 out of 1 patent)

5. Kazuki Tamura (1 out of 1 patent)

6. Megumi Kono (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. D1009143 - Acoustic adjustment shelf (2023-12-26),

2. 11450217 - Device for collecting aircraft operation history information (2022-09-20),

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USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#4,372 in

#11,139 in

Tokyo, Japan

Nihon Onkyo Engineering Co., Ltd.

Forward Citations = 0

6 inventors:

Takahiro Mizuno (1 out of 3 patents)

Hiroshi Wada (1 out of 37 patents)

Yoshio Tadahira (1 out of 3 patents)

4. Osamu Kohashi (1 out of 1 patent)

5. Kazuki Tamura (1 out of 1 patent)

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