E-
"E-" is a word and design mark owned by Hamamatsu Photonics K.K., filed at the USPTO on May 14, 2024. It is registered and covers class 9 (Computers and Scientific Devices).
- Status
- Registered
- Since January 6, 2026
- Filed
- May 14, 2024
- Registered
- January 6, 2026
- Expires
- Not recorded
- Application no.
- 98550597
- Registration no.
- 8091172
- Office
- USPTO
- United States Patent and Trademark Office
- Mark type
- Word and design
- 1 class
Who owns E-
The owner on file, matched to the company behind it. Every owner-name spelling for that company is grouped on its page.
Owner
Hamamatsu Photonics K.K.
Hamamatsu-shi,Shizuoka, Japan
Representative
Scott S. Havlick
Holland & Hart LLP
What the mark covers
The products and services E- is filed for, grouped by Nice class.
Photo detectors in the nature of electronic sensors for converting the photon energy of light into electrical signals; image sensors in the nature of electronic sensors for detecting and conveying information to form an image; electronic components in the nature of semi-conductor devices; digital cameras for industrial use; digital cameras for scientific use; sensors being measurement apparatus, not for medical use, namely, optical sensors; spectrometers, other than for medical purposes
What has happened so far
Steps recorded by the USPTO, newest first.
- Notice of registration confirmation emailed
- Registered-principal register
- Official gazette publication confirmation e-mailed
- Published for opposition
- Notification of notice of publication e-mailed
- Case returned to examination
- Notice of allowance cancelled
- Noa cancelled; republication required
- Jurisdiction restored to examining attorney
- Petition to director - change basis - granted
10 earlier steps on the official record.
About E-
Who owns the trademark "E-"?
The USPTO trademark "E-" (application 98550597) is owned by Hamamatsu Photonics K.K.
What is the status of "E-"?
Its status at the USPTO is: registered.
When was "E-" registered?
It was registered on January 6, 2026.
Get this data via the API
Everything on this page comes from the Signa API. Pull E- and marks like it into your own product with one request.
GET/v1/trademarks/{id}The full record: owners, classes, dates and images
GET/v1/trademarks/{id}/eventsEvery step in the office history
GET/v1/proceedings?trademark_id={id}Oppositions and cancellations against the mark
ID=tm_019d2ce6-1c3f-73dd-bdda-047dfb22d4b1
curl https://api.signa.so/v1/trademarks/$ID \
-H "Authorization: Bearer $SIGNA_API_KEY"{
"id": "tm_019d2ce6-1c3f-73dd-bdda-047dfb22d4b1",
"object": "trademark",
"mark_text": "E-",
"status": {
"primary": "active",
"stage": "registered"
},
"office_code": "US",
"application_number": "98550597",
"filing_date": "2024-05-14",
"nice_classes": [
9
],
"owners": [
{
"name": "HAMAMATSU PHOTONICS K.K.",
"entity_id": "ent_019ebc13-6f98-718b-8d89-8f13d82d5232"
}
]
}