Seiya Okada

This inventor holds 5 USPTO granted patents and 5 published patent applications, plus 1 CIPO patent and 2 EPO patents. Top assignee: Nippon Steel Corporation. Active years: 2021-2026.

USPTO Granted Patents = 5 (Patent Applications = 5)

% Patents Active = 80.0

CIPO Patents = 1 (Patent Applications = 5)

EPO Patents = 2 (Patent Applications = 13)

Average Co-Inventor Count = 6.2

ph-index = 1

Company Filing History:

5 out of 3,701

Nippon Steel Corporation

patents

Years Active: 2021-2026

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12742233 - Duplex stainless steel pipe (2026-09-22),

2. 12371765 - Seamless steel pipe suitable for use in sour environment (2025-07-29),

3. 11905580 - Seamless steel pipe suitable for use in sour environment (2024-02-20),

4. 11898216 - Seamless steel pipe heat-treatment-finishing-treatment continuous facility (2024-02-13),

5. 11174539 - Steel material suitable for use in sour environment (2021-11-16),

I specialize in innovations, inventions, inventors, patent attorneys, assignees, and patents.

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