Cef., Ltd.
Nemuro-shi, Hokkaido, JP· latest recorded location
CEF., LTD. is named on 2 US grants and 3 published applications in this corpus. Its most frequent classification is Y02E (Clean energy generation and storage).
- Granted patents
- 2
- Published applications
- 3
- Inventors
- 4
- Granted in 2026 so far
- 1
- Most recent grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Technology areas
Share of 5 documents
Recent patents
Most cited
By later US patents
None of its patents has been cited by a later US patent yet.