Did You Know A Japanese Cure Turned Out To Be A QR Aussies Use Daily?

オーストラリアで毎日使われる便利なものが、日本生まれだと知っていましたか?

Aussies scan QR codes countless times every day—for café menus, concert tickets, parking and payments. Yet few realise the technology was invented in Japan by one engineer who wanted to make work easier.

カフェのメニュー、コンサートのチケット、駐車場の精算やキャッシュレス決済。オーストラリアでも毎日使われるQRコードですが、その技術が日本で、一人の技術者によって生み出されたことはあまり知られていません。


Meet the man behind the square

あの四角いコードを生んだ技術者

In 1994, Japanese engineer Masahiro Hara developed the QR code while working for Denso Wave. The company needed a faster way to track vehicle components during manufacturing. Hara’s solution could store far more information than ordinary barcodes while remaining quick to scan.

1994年、日本の技術者・原昌宏(はら まさひろ)さんは、デンソーウェーブで働きながらQRコードを開発しました。自動車部品をより効率よく管理するため、従来のバーコードより多くの情報を記録でき、素早く読み取れる仕組みを考え出したのです。


A gift, not a monopoly

独占ではなく、世界への贈り物

Although Denso Wave patented the technology, it chose not to enforce the patent rights. This allowed QR codes to spread rapidly around the world and encouraged businesses everywhere to adopt the technology without paying licence fees.

デンソーウェーブは特許を取得しましたが、権利を積極的に行使しない方針を取りました。その結果、QRコードは世界中へ急速に広がり、多くの企業や開発者が自由に活用できるようになりました。


Australia quickly embraced QR codes

オーストラリアにも急速に広まる

Aussies first encountered QR codes in advertising and product packaging. During the COVID-19 pandemic they became part of everyday life, with millions of people scanning codes to check into venues. Today they are used for restaurant menus, transport, parking, payments, banking and sporting events.

オーストラリアでは、広告や商品パッケージなどでQRコードが使われ始めました。新型コロナウイルス流行時には入店記録のため全国で利用され、一気に生活に浸透しました。現在では、飲食店のメニュー、公共交通、駐車場、決済、銀行サービス、スポーツ観戦など、さまざまな場面で活躍しています。


Designed to be reliable

壊れても読み取れる工夫

One reason QR codes became so successful is their built-in error correction. Even if part of the code is dirty or damaged, scanners can often recover the missing information. That reliability has helped make QR codes one of Japan’s most successful technological exports.

QRコードが世界中で普及した理由の一つは、高い復元性能です。一部が汚れたり欠けたりしていても、多くの場合は情報を正しく読み取れます。この優れた仕組みが、日本を代表する技術の一つとして世界に広まる大きな理由となりました。


More than just a clever invention

便利な発明を超えた日豪のつながり

Aussies now scan QR codes almost without thinking. Yet behind every scan is the work of a Japanese engineer whose practical idea changed the way the world shares information. It is another quiet reminder that many Australia–Japan connections are found in everyday life.

オーストラリアでもQRコードを使うことは、今や当たり前になりました。その一回一回の読み取りの背景には、日本人技術者の発想があります。私たちの日常には、気づかないうちに日本とオーストラリアを結ぶ技術やアイデアが息づいているのです。


Original Sources

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