Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Syunya Morozumi (2 out of 3 patents)

Yuji Makimoto (2 out of 3 patents)

Fumie Yamazaki (1 out of 17 patents)

4. Yoshiya Maegawa (1 out of 5 patents)

5. Ryosuke Kotani (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 12679991 - Pretreatment ink and ink set containing same (2026-07-14),

2. 12630731 - Non-aqueous ink composition (2026-05-19),

3. 12590216 - Water-based ink and ink set including same (2026-03-31),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#313 in Kanagawa

#8,932 in Japan

Kanagawa, Japan

Dnp Fine Chemicals Co., Ltd.

Forward Citations = 0

5 inventors:

Syunya Morozumi (2 out of 3 patents)

Yuji Makimoto (2 out of 3 patents)

Fumie Yamazaki (1 out of 17 patents)

4. Yoshiya Maegawa (1 out of 5 patents)

5. Ryosuke Kotani (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dnp Fine Chemicals Co., Ltd.. Retrieved from https://idiyas.com/company/dnp-fine-chemicals

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]