GREEN HYDROGEN STEEL holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 35 (Advertising & Business) with 1 filings. The WikiTrademarks Expansion Score is 24/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 29, 2026
Protect or track "GREEN HYDROGEN STEEL"
Watch this name and we'll alert you when anyone files a similar mark.
Informational only, not a legal opinion. Consult a trademark attorney before filing or enforcing.
Own this brand? Claim the profile to add your logo, story, and website.
Sign in to claimHow is GREEN HYDROGEN STEEL filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99741975 | GREEN HYDROGEN STEEL | Apr 02, 2026 | Registered | 035 Advertising & Business | Yamaguchi Heavy Industries, Ltd. |
Weekly visibility reports showing how ChatGPT mentions GREEN HYDROGEN STEEL, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: GREEN HYDROGEN STEEL trademark portfolio
What trademarks does GREEN HYDROGEN STEEL hold?
GREEN HYDROGEN STEEL holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 35 (Advertising & Business). The most recent filings are registered to Yamaguchi Heavy Industries, Ltd..
How many trademarks does GREEN HYDROGEN STEEL have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to GREEN HYDROGEN STEEL. The brand has been actively filing since April 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does GREEN HYDROGEN STEEL file most often?
GREEN HYDROGEN STEEL's most active class is NICE Class 35 (Advertising & Business), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the GREEN HYDROGEN STEEL trademark?
The most recent filings under the GREEN HYDROGEN STEEL mark are registered to Yamaguchi Heavy Industries, Ltd.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is GREEN HYDROGEN STEEL expanding into new categories?
The current WikiTrademarks Expansion Score for GREEN HYDROGEN STEEL is 24 out of 100, which is low — the brand is focused on defending its existing categories rather than expanding. The score combines NICE class breadth, filing velocity, and the rate of cross-class movement from the brand's filing history.
How can I track new GREEN HYDROGEN STEEL trademark filings?
Click the Watch Brand button at the top of this page to add GREEN HYDROGEN STEEL to your Watchlist. New filings show up on your WikiTrademarks dashboard within 24 to 48 hours of being public, alongside any class expansions, status changes, or assignment events.
More on this portfolio: Compare GREEN HYDROGEN STEEL to another owner · Browse all NICE classes · Most valuable brands
Community notes
0 notesShare what you know about GREEN HYDROGEN STEEL and help the next person researching it.