Forward Citations = 42

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4 inventors (with patents filed for the assignee):

Shigeo Aoki (2 out of 23 patents)

Katsumi Miyake (2 out of 5 patents)

Yasuhiro Ugai (2 out of 5 patents)

4. Kotaro Okamoto (1 out of 4 patents)

2 patents: Sort by Forward Citations

1. 4881797 - Color liquid crystal display device (1989-11-21),

2. 4687298 - Forming an opaque metal layer in a liquid crystal display (1987-08-18),

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USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#1,147 in Osaka

#11,124 in Japan

Osaka, Japan

Hosiden Electronics, Ltd.

Forward Citations = 42

4 inventors:

Shigeo Aoki (2 out of 23 patents)

Katsumi Miyake (2 out of 5 patents)

Yasuhiro Ugai (2 out of 5 patents)

4. Kotaro Okamoto (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hosiden Electronics, Ltd.. Retrieved from https://idiyas.com/company/hosiden-electronics

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]