how many critical mineral processors in Japan are there?

The Critical Midstream registry lists 49 plants matching this query across 1 countries. Each record carries a source, a verification date and a confidence level.

how does Critical Midstream verify these records?

Every record links its own evidence — a government register, a company filing, an announcement or reputable trade press — with a verification date and a correction route. A reviewer signs off before a record claims verified.

what's the difference between nameplate capacity and actual output?

Nameplate capacity is a plant's designed maximum. Actual output is what it really produces. Critical Midstream flags which figure a record shows and never conflates the two.

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Critical mineral processors in Japan

49 critical mineral processors in Japan across 1 country, covering APT, EB melting, Kroll reduction, TiCl4 distillation, VAR melting, VAR/EB melting, alloy, anode, anode slime treatment, bismuth electrorefining, by-product recovery, carbide, carbide and boride powder production, chlorination, coat, cold rolling, converter-anode production, copper concentrate smelting, copper electrorefining, crushing and sizing, electrode, electrolytic lead refining, electron beam melting, electrorefining, ferromolybdenum smelting, forging, gas atomisation, high-purity metal purification, high-purity tellurium and tellurium chemical/compound manufacture, hot rolling, ingot casting, lead smelting, magnet, molybdenum and vanadium leaching and separation, molybdenum oxide reduction to metal powder, molybdenum trioxide and molybdate production, oxide, powder, powder refining and classification, precious and minor metal recovery, purification, purify, recycle, recycling, refine, refining, separate, slab production, smelt, spent hydrodesulfurisation catalyst collection, sponge and scrap blending, sponge blending, synthetic graphite, tellurium purification, tellurium recovery, tellurium recovery (USGS-listed tellurium refinery, tellurium recovery and refining, tellurium refining to 99.99%+ shots and ingots, trioxide, unit operations not published), vacuum separation, zinc smelting. Every record is sourced, dated and verified.

49 plants match this query

44 of these 49 plants disclose a capacity figure; the rest do not publish one. Registry re-checked 9 November 2026.

Facility	Country	Mineral	Process	Capacity	Confidence
Mitsui Kinzoku Rare Material Division (formerly Nippon Yttrium), Omuta, Fukuoka, Japan Mitsui Mining & Smelting Co., Ltd. (Mitsui Kinzoku) — Rare Material Division	Japan	rare earths	refine, alloy	Subscriber	HIGH
Santoku Corporation rare earth metals and magnet alloy plants, Kobe/Miki/Akashi, Hyogo, Japan Santoku Corporation	Japan	rare earths	refine, alloy	Subscriber	HIGH
Aichi Steel MAGFINE bonded NdFeB magnet production, Aichi Prefecture, Japan Aichi Steel Corporation	Japan	rare earths	magnet	Subscriber	HIGH
Daido Electronics Plant (Nakatsugawa) — Nakatsugawa, Gifu, Japan Daido Electronics Co., Ltd. (Daido Steel Group)	Japan	rare earths	magnet	Subscriber	MED
Proterial (formerly Hitachi Metals) NEOMAX magnet plant, Kumagaya Works, Kumagaya, Saitama, Japan Proterial, Ltd.	Japan	rare earths	magnet, recycle, separate	Subscriber	MED
Shin-Etsu Chemical rare earth magnet recycling — Takefu plant, Fukui Shin-Etsu Chemical Co., Ltd.	Japan	rare earths	magnet, recycle, separate	Subscriber	HIGH
TDK Narita Factory — Narita, Chiba, Japan TDK Corporation	Japan	rare earths	magnet	Subscriber	HIGH
Tokyo Eco Recycle AC-compressor magnet recovery (Daikin / Shin-Etsu / Hitachi consortium) — Koto-ku, Tokyo, Japan Tokyo Eco Recycle Co., Ltd. (consortium: Daikin Industries, Shin-Etsu Chemical, Hitachi Ltd.)	Japan	rare earths	recycle	Subscriber	HIGH
DOWA Eco-System magnet-recovery demos (Eco-Recycle Odate) — Akita, Japan DOWA Eco-System Co., Ltd.	Japan	rare earths	recycle	Subscriber	HIGH
Envipro Holdings NdFeB magnet recycling (HyProMag collaboration) — Shizuoka Envipro Holdings Inc.	Japan	rare earths	recycle	Subscriber	HIGH
Shin-Etsu Chemical Fukui rare-earth refinery/smelter — Fukui, Japan Shin-Etsu Chemical Co., Ltd.	Japan	rare earths	separate, refine	Subscriber	HIGH
JFE Chemical graphite anode materials plants (natural graphite, MCMB, hard carbon), Kurashiki, Okayama, Japan JFE Chemical Corporation	Japan	graphite	anode, synthetic graphite, coat	Subscriber	MED

37 more matching plants — $79/mo

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Questions this page answers

How many critical mineral processors in Japan are there?: The Critical Midstream registry lists 49 plants matching this query across 1 countries. Each record carries a source, a verification date and a confidence level.
How does Critical Midstream verify these records?: Every record links its own evidence — a government register, a company filing, an announcement or reputable trade press — with a verification date and a correction route. A reviewer signs off before a record claims verified.
What's the difference between nameplate capacity and actual output?: Nameplate capacity is a plant's designed maximum. Actual output is what it really produces. Critical Midstream flags which figure a record shows and never conflates the two.

Critical mineral processors in Japan

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