Who owns the ISKA trademark?

The ISKA trademark is owned by Hamamatsu Photonics K.K..

What class is the ISKA trademark registered in?

The ISKA trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for ISKA?

The USPTO serial number for ISKA is 99482510.

What is the registration number for ISKA?

ISKA is registered under USPTO registration number 8528956.

ISKA - Owned by Hamamatsu Photonics K.K. - (Class 009)

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

This description is as filed with the USPTO and defines the scope of trademark protection.

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Status History

16 events

REGISTERED-PRINCIPAL REGISTER

Nov 03, 2026

Code R.PR

PUBLISHED FOR OPPOSITION

Sep 15, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 15, 2026

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 09, 2026

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 17, 2026

Code CNSA

ASSIGNED TO LIE

Aug 16, 2026

Code ALIE

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 16, 2026

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 16, 2026

Code TEME

TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED

Aug 13, 2026

Code ERSI

ASSIGNED TO EXAMINER

Mar 18, 2026

Code DOCK

SUSPENSION LETTER WRITTEN

Mar 18, 2026

Code CNSL

LETTER OF SUSPENSION E-MAILED

Mar 18, 2026

Code GNSL

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

Mar 18, 2026

Code GNS3

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 11, 2026

Code NWOS

NEW APPLICATION ENTERED

Nov 06, 2025

Code NWAP

APPLICATION FILING RECEIPT MAILED

Nov 06, 2025

Code MAFR

Other Marks by Hamamatsu Photonics K.K.

Additional USPTO filings from the same owner.

NDP

86569011

Hamamatsu Photonics K.K.

REGISTERED

PHE

PHEMOS

74395363

Hamamatsu Photonics K.K.

REGISTERED

CER

CERARION

87937034

HAMAMATSU PHOTONICS K.K.

REGISTERED

MIG

MIGHTION

87939011

HAMAMATSU PHOTONICS K.K.

REGISTERED

Other Marks in Class 009 — Electronics, software & scientific instruments

Recently filed and registered marks in the same international class.

ISK

ISKA

87692572

Shenzhen Isencon Technology Co., Ltd

ABANDONED

Other Marks by Scott S. Havlick

Additional USPTO filings handled by the same attorney of record.

FIT

97366739

REGISTERED

ORI

ORION

79015715

REGISTERED

THE

THE BLUE MOOSE

74735051

REGISTERED

NDP

86569011

REGISTERED

ISKA

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by Hamamatsu Photonics K.K.

Other Marks in Class 009 — Electronics, software & scientific instruments

Other Marks by Scott S. Havlick

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