% Expired Patents = 50.0

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Katsumi Moronuki (2 out of 2 patents)

Kenji Ikegami (2 out of 2 patents)

Hiroaki Mikamo (2 out of 3 patents)

4. Natsuki Terashima (2 out of 2 patents)

2 patents: Sort by Forward Citations

1. 8980790 - Thermosensitive multiple recording sheet and method for producing the same (2015-03-17),

2. 8252138 - Thermosensitive multiple recording sheet and method for producing the same (2012-08-28),

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USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#4,372 in Tokyo

#11,139 in Japan

Tokyo, Japan

Oji Packaging Co., Ltd.

Forward Citations = 0

4 inventors:

Katsumi Moronuki (2 out of 2 patents)

Kenji Ikegami (2 out of 2 patents)

Hiroaki Mikamo (2 out of 3 patents)

4. Natsuki Terashima (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Oji Packaging Co., Ltd.. Retrieved from https://idiyas.com/company/oji-packaging-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]