# ADEKA

- Headquarters: Japan
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md), [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md)

## Sites

| Place | Latest | Largest value | Types |
| --- | --- | --- | --- |
| Kamisu City, Japan | 2025-10-31 | — | new_facility |
| South Korea, South Korea | 2022-07-22 | $17.0M | expansion |
| Sodegaura, Japan | 2021-08-01 | $2.45M | expansion |


## Announcements (3)

- 2025-10-31: [ADEKA to build organometallic compounds plant for EUV lithography in Kashima, Japan](https://endata.com/announcements/103373-adeka-to-build-organometallic-compounds-plant-for-euv-lithography-in-kashima) (New facility · Kamisu City, Ibaraki Prefecture, Japan)
- 2022-07-22: [ADEKA to double high-k material capacity in South Korea](https://endata.com/announcements/70038-adeka-to-double-high-k-material-capacity-in-south-korea) (Expansion · South Korea, South Korea · $17.0M · starts operating 2024)
- 2021-08-01: [ADEKA to boost photoacid generator capacity at Chiba plant for EUV photoresists](https://endata.com/announcements/60282-adeka-to-boost-photoacid-generator-capacity-at-chiba-plant-for-euv-photoresists) (Expansion · Sodegaura, Chiba, Japan · $2.45M · starts operating 2023)

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.