Eiko Kato

This inventor holds 4 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignees: Showa Denko K.k., Resonac Corporation. Active years: 2012-2026.

USPTO Granted Patents = 4 (Patent Applications = 3)

% Patents Active = 75.0

EPO Patents = 2 (Patent Applications = 3)

Average Co-Inventor Count = 3.6

ph-index = 1

Forward Citations = 1(Granted Patents)

Location History:

Chiba, JP (2012)
Tokyo, JP (2020 - 2021)

Company Filing History:

Years Active: 2012-2026

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12734117 - Water-in-oil emulsion composition (2026-09-15),

2. 11045471 - Melanin production inhibitor, whitening agent, fibroblast activator, collagen and/or elastin production promotor and wrinkle ameliorant (2021-06-29),

3. 10646487 - Melanin production inhibitor, whitening agent, fibroblast activator, collagen and/or elastin production promotor and wrinkle ameliorant (2020-05-12),

4. 8278350 - Agent for skin external use containing salt of ascorbic acid derivative, method for stabilizing the agent for skin external use, and stabilizer (2012-10-02),

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3 patents pending:

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2 patents (EPO):

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3 patents pending (EPO):

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