Q: What is the Kosaka Mine Office?

A: The Kosaka Mine Office is the historic administrative office building of the Kosaka Mine in Kosaka, Japan, constructed in July 1905 and designed in a Renaissance architectural style.

Q: Where and when was the Kosaka Mine Office built?

A: The office was completed in July 1905 and is located in Kosaka, Japan at latitude 40.32844444 and longitude 140.74436111.

Q: What is the cultural status of the Kosaka Mine Office?

A: The building is designated an Important Cultural Property of Japan and is listed in the Japanese database of national cultural properties under ID 102/3718.

Kosaka Mine Office

Place mine_building Q11459450

Facts

14 properties

Instance of: mine building, office^[4]
Inception: July 1905^[6]
Country: Japan^[3]
Official website: kosaka-mco.com^[9]
Website: kosaka-mco.com
Located in: Kosaka
Coordinate location: 🗺️ 40.328°, 140.744°^[7]
Architectural style: Renaissance architecture^[5]
Coordinates: 🗺️ 40.328°, 140.744°
Heritage designation: Important Cultural Property of Japan^[10]
Image of interior: commons.wikimedia.org
Located in the administrative territorial entity: Kosaka^[2]
Nighttime view: commons.wikimedia.org
Service retirement: 1997^[8]

🏷️ Also known as

en Kosaka Mine Office ja 小坂鉱山事務所 ja 旧小坂鉱山事務所

🔖 Identifiers · 4

Image (Wikimedia Commons): Kosaka Mine Office 20180916c.jpg ↗
Google Knowledge Graph ID: /g/121_5_7t
Japanese Database of National Cultural Properties ID: 102/3718
TripAdvisor ID: 2105945

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Architectural style 1

Renaissance architecture

Country 1

Japan

Heritage designation 1

Important Cultural Property of Japan

Instance of 1

office

Located in the administrative territorial entity 1

Kosaka

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Summary

Kosaka Mine Office is a mine building^[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[3] ↑ Kosaka Mine Office — country (P17): Japan. wikidata.org.
[4] ↑ Kosaka Mine Office — instance of (P31): office. wikidata.org.
[2] ↑ Kosaka Mine Office — located in the administrative territorial entity (P131): Kosaka. wikidata.org.
[5] ↑ Kosaka Mine Office — architectural style (P149): Renaissance architecture. wikidata.org.
[6] ↑ Kosaka Mine Office — inception (P571): July 1905. wikidata.org.
[7] ↑ Kosaka Mine Office — coordinate location (P625): {'lat': 40.32844444, 'lon': 140.74436111}. wikidata.org.
[8] ↑ Kosaka Mine Office — service retirement (P730): 1997. wikidata.org.
[9] ↑ Kosaka Mine Office — official website (P856): http://kosaka-mco.com/publics/index/46/. wikidata.org.
[10] ↑ Kosaka Mine Office — heritage designation (P1435): Important Cultural Property of Japan. Japanese Database of National Cultural Properties. wikidata.org.

Class ancestry

[1] ↑ Kosaka Mine Office is an instance of mine building (Q21550779) [P31, primary]. Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA

4ort.xyz Knowledge Graph. (2026). Kosaka Mine Office. Retrieved November 2, 2026, from https://4ort.xyz/entity/kosaka-mine-office

MLA “Kosaka Mine Office.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/kosaka-mine-office.

BibTeX

@misc{4ortxyz_kosaka-mine-office_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kosaka Mine Office}}, year = {2026}, url = {https://4ort.xyz/entity/kosaka-mine-office}, note = {Accessed: 2026-11-02}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kosaka Mine Office — https://4ort.xyz/entity/kosaka-mine-office (retrieved 2026-11-02)

Canonical URL: https://4ort.xyz/entity/kosaka-mine-office · Last refreshed: November 2, 2026