Nihoner
製作所
seisakusho
works, factory, plant
All Senses
  1. seisakusho works, factory, plant
How it's used

Seisakusho appears in company names for manufacturing, often smaller or specialized, and is not used for large factories.

叔父は小さな製作所を経営している。
oji wa chiisana seisakusho o keiei shite iru.
My uncle runs a small workshop.

この部品は町の製作所で作られた。
kono buhin wa machi no seisakusho de tsukurareta.
This part was made at a workshop in town.

⚖️ Often confused with 工場 (kōjō), which refers to a larger factory building, while 製作所 implies a workshop or manufacturing plant, often in company names.

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Kanji Breakdown
製
Made In..., Manufacture
On: せい
14 strokes N1
作
Make, Production, Prepare, Build
On: さく,さ Kun: つく.る,つく.り,-づく.り
7 strokes N4
所
Place, Extent
On: しょ Kun: ところ,-ところ,どころ,とこ
8 strokes N3
How to Use This Word
Noun (名詞)
Pattern
製作所は〜です。 / 〜の製作所

💡 Use は or が to mark this word as the topic or subject of a sentence.

Example
この製作所はとても大切です。
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Found in a wide range of contexts. Useful for building reading and listening fluency.

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