Work and organisations
How to draw patent drawings (Form 30 — fictional "container with lid")
Patent drawings have rules of their own: line weights, margins, how reference numerals are attached and how figures are arranged
This drawing comes from one YAML file. No shape was moved by hand.
Notes in the source (in Japanese)
縮尺は 1 px = 0.5 mm で描いているが、特許図面には縮尺を書かないので scale は置かない(置くと縮尺の帯が出る)。図面そのものに決まりがある図面。
出典:特許法施行規則 様式第 30(第 25 条関係)の備考 2・4・6・7・8(特許庁「出願の手続」第四節 図面の作成方法 https://www.jpo.go.jp/system/laws/rule/guideline/document/syutugan_tetuzuki/02_04.pdf 、2026-10-02 照合)。
作図領域は横 170 mm × 縦 255 mm 以内(A4 に収まる大きさ)。黒色で鮮明に。着色してはいけない。実線は約 0.4 mm、引出線は約 0.2 mm、点線・鎖線は約 0.2 mm。
符号はアラビア数字で、大きさは約 5 mm 平方、引出線を引いて付ける。同じ部分には同じ符号。 用語は明細書・特許請求の範囲と同じ語を使う。
文字は、図中のいずれの線にも掛からないように書く。
平行斜線を引く。 異なる部分には、方向を変えた平行斜線を引く(それができないときは間隔を変える)。
Source (YAML)
examples/gallery/118-特許図面の書き方.zumen.yaml
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