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Japanese Trademark — JPO
shiiwai sai
シイワイ サイ
Application 2026025502 · Registered
Quick Facts
| Application Number | 2026025502 |
| Registration Number | 0000000 |
| Status | Registered |
| Mark (romanized) | shiiwai sai |
| Mark (native) | シイワイ サイ |
| Mark Type | domestic |
| Owner (romanized) | 石坂産業株式会社 |
| Owner (native) | 石坂産業株式会社 |
| Filed | 2026-03-09 |
| Registered | 0000-00-00 |
| Expires | 0000-00-00 |
Is this trademark active?
Yes. shiiwai sai is a currently registered Japanese trademark, with renewal due on 0000-00-00. It is protected under the Japanese Trademark Act (商標法) and can be enforced against infringing uses in Japan.
Nice Classification
This trademark covers 3 Nice classes:
Timeline
- Filed: 2026-03-09
- Registered: 0000-00-00
- Renewal due: 0000-00-00
About This Trademark
'shiiwai sai' is a registered trademark on the Japan Patent Office register, owned by 石坂産業株式会社. The application (2026025502) was filed on 9 March 2026 and registered on Invalid Date. The registration is set to expire on Invalid Date.
This mark is recorded under multiple classes: Class 6 (common metals & metal goods); Class 19 (non-metallic building materials); Class 35 (advertising, business management & retail services), specifically covering: §cy
Frequently Asked Questions
Who owns Japanese trademark 2026025502 ('shiiwai sai')?
Japanese trademark 2026025502 for the mark 'shiiwai sai' in Class 6, 19, 35 is recorded on the Japan Patent Office register as owned by 石坂産業株式会社. This covers one specific Japanese trademark record only — the same brand name may be owned by different parties in other classes, other countries, or as separate registrations.
Is Japanese trademark 2026025502 currently a registered trademark?
Yes — the Japan Patent Office records Japanese trademark 2026025502 for the mark 'shiiwai sai' as registered.
Which Nice classes is Japanese trademark 2026025502 registered under?
Japanese trademark 2026025502 for the mark 'shiiwai sai' is recorded in Class 6 (common metals & metal goods); Class 19 (non-metallic building materials); Class 35 (advertising, business management & retail services).
When was Japanese trademark 2026025502 filed?
Japanese trademark 2026025502 for the mark 'shiiwai sai' was filed at the Japan Patent Office on 9 March 2026 and registered on Invalid Date.
When does Japanese trademark 2026025502 need to be renewed?
Japanese trademark 2026025502 for the mark 'shiiwai sai' is currently recorded as valid until Invalid Date, at which point it will need to be renewed with the Japan Patent Office to remain in force.
Data Source
Japan (Japan Patent Office)
Japanese trademark data is supplied by the Japan Patent Office (JPO) via the JPO open bulk data release. Official government publications in Japan are not subject to copyright under Article 13 of the Japanese Copyright Act. Local copy last synchronised on 2026-05-02.
The “About This Trademark” summary and FAQ above are AI-generated from the register data shown on this page. They are factual summaries only — always verify details against the official register before making legal decisions.