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Ken-ichi Okuyama

This inventor holds 7 USPTO granted patents and 1 published patent application. Top assignee: Dai Nippon Printing Co., Ltd.. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ken-ichi Okuyama. Retrieved from https://idiyas.com/inventor/ken-ichi-okuyama

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 7 (Patent Applications = 1)

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 1

Forward Citations = 1(Granted Patents)

Company Filing History:

Dai Nippon Printing Co., Ltd.

Years Active: 2018-2025

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12480051 - Polymerizable liquid crystal compound, polymerizable composition, polymer, retardation film, method for producing retardation film, transfer laminate, optical member, method for producing optical member, and display device (2025-11-25),

2. 11560518 - Polymerizable liquid crystal compound, polymerizable composition, polymer, retardation film, method for producing retardation film, transfer laminate, optical member, method for producing optical member, and display device (2023-01-24),

3. 11390810 - Liquid crystal composition, retardation film, method for producing retardation film, transfer laminate, optical member, method for producing optical member, and display device (2022-07-19),

4. 11332670 - Side-chain liquid crystal polymer, liquid crystal composition, retardation film, method for producing retardation film, transfer laminate, optical member, method for producing optical member, and display device (2022-05-17),

5. 10174255 - Thermosetting composition with photo-alignment property, alignment layer, substrate with alignment layer, retardation plate, and device (2019-01-08),

6. 10017697 - Thermosetting composition with photo-alignment property, alignment layer, substrate with alignment layer, retardation plate, and device (2018-07-10),

7. 10017696 - Thermosetting composition with photo-alignment property, alignment layer, substrate with alignment layer, retardation plate, and device (2018-07-10),

Profile summary based on public USPTO records.

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]

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