Hamamatsu Photonics, K.K. trademarks

Japan

Hamamatsu Photonics, K.K. owns 333 unique trademarks in 8 jurisdictions, combined from 15 owner names in the registers. 247 of them are active.

Browse all trademarksGet this data via the API
Unique trademarks
333
Active74% of unique marks
247
Jurisdictions
8
Owner names grouped
15
Coverage

Where Hamamatsu Photonics, K.K. protects its brands

Each mark counts once here: an international registration is grouped with its country designations, not counted once per country.

By office

By classA mark can cover several classes

+5 more

Activity

Filings per year

New trademarks Hamamatsu Photonics, K.K. has filed each year, counting each mark once.

Peak year · 42 filed
2023
2021 to 2025 · filed
109
First filing
1975

Filings by year: 1975: 1, 1980: 1, 1983: 1, 1988: 1, 1990: 2, 1991: 1, 1992: 2, 1993: 10, 1994: 4, 1996: 2, 1997: 12, 1998: 7, 1999: 13, 2000: 1, 2001: 5, 2002: 10, 2003: 6, 2004: 2, 2005: 7, 2006: 10, 2007: 17, 2008: 7, 2009: 11, 2011: 17, 2012: 7, 2013: 8, 2014: 7, 2015: 11, 2016: 5, 2017: 4, 2018: 13, 2019: 11, 2020: 8, 2021: 13, 2022: 7, 2023: 42, 2024: 33, 2025: 14.

Disputes and deals

Oppositions, cancellations and ownership changes

Proceedings Hamamatsu Photonics, K.K. has been part of, and the assignments recorded against its marks.

Disputes & oppositions

Proceedings
10
As challenger
0
As defendant
10

By proceeding type

  • Opposition9
  • Appeal1

Outcomes

  • Withdrawn6
  • Other4

Assignments & security interests

Transactions
4
Marks acquired
4
Marks divested
0
Marks with liens
0
Unreleased security interests
0
  • Assignment2
  • Name change2

Recorded from 1989-11-13 to 2013-10-25.

Portfolio

Latest filings

The most recent applications across Hamamatsu Photonics, K.K.'s owner names.

Browse all 333 register records
MarkStatusOfficeClassesFiled
ISKApending oppositionUSPTO92025-11-06
[Design Mark]pending publicationUSPTO92025-11-06
[Design Mark]registeredEUIPO92025-11-05
ISKAregisteredEUIPO92025-11-05
ISKAregisteredUKIPO92025-11-05
[Design Mark]registeredUKIPO92025-11-05
FAQ

About Hamamatsu Photonics, K.K.'s trademarks

How many trademarks does Hamamatsu Photonics, K.K. own?

Hamamatsu Photonics, K.K. owns 333 unique trademarks across the registers Signa tracks.

How many of Hamamatsu Photonics, K.K.'s trademarks are registered?

238 of Hamamatsu Photonics, K.K.'s unique marks are registered.

Where does Hamamatsu Photonics, K.K. file the most trademarks?

Hamamatsu Photonics, K.K. holds the most marks at the USPTO, with 133 unique marks.

API

Get this data via the API

Every number on this page comes from the Signa API. Pull Hamamatsu Photonics, K.K.'s portfolio into your own product with one request.

  • GET/v1/entities/{id}/analytics

    Portfolio, disputes and ownership changes

  • GET/v1/entities/{id}

    Company record, ticker, LEI and owner names

  • GET/v1/entities/{id}/trademarks

    Every trademark in the portfolio

Get API keyView docs
GET /v1/entities/{id}/analytics
ID=ent_019ebc13-6f98-718b-8d89-8f13d82d5232
curl https://api.signa.so/v1/entities/$ID/analytics \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "object": "analytics_report",
  "subject": {
    "id": "ent_019ebc13-6f98-718b-8d89-8f13d82d5232",
    "object": "entity",
    "name": "Hamamatsu Photonics, K.K."
  },
  "portfolio": {
    "mark_count": 333,
    "active_count": 247,
    "jurisdiction_spread": {
      "US": 133,
      "EU": 91,
      "GB": 77
    }
  }
}