Acro Nainen Co., Ltd.

Calculating rank

USPTO Granted Patents = 2

% Expired Patents = 100.0

EPO Patents = 2

Forward Citations = 0

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7 inventors (with patents filed for the assignee):

Satoshi Katsumoto (2 out of 2 patents)

Hideyuki Koishi (1 out of 1 patent)

Hitoshi Torikai (1 out of 1 patent)

4. Yoshinori Shimamoto (1 out of 2 patents)

5. Yoshinori Takezawa (1 out of 3 patents)

6. Shinpei Matsuo (1 out of 1 patent)

7. Naoya Taniguchi (1 out of 2 patents)

8. Shinpei Matsuo (0 patent)

2 patents: Sort by Forward Citations

1. 10774884 - Torque transmission device, braking apparatus, and power transmission apparatus (2020-09-15),

2. 9744949 - Vehicle speed control device and vehicle equipped with vehicle speed control device (2017-08-29),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#36 in Wakayama

#11,154 in Japan

Wakayama, Japan

Acro Nainen Co., Ltd.

Forward Citations = 0

7 inventors:

Satoshi Katsumoto (2 out of 2 patents)

Hideyuki Koishi (1 out of 1 patent)

Hitoshi Torikai (1 out of 1 patent)

4. Yoshinori Shimamoto (1 out of 2 patents)

5. Yoshinori Takezawa (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Acro Nainen Co., Ltd.. Retrieved from https://idiyas.com/company/acro-nainen-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]