English below
在日米国商工会議所（www.accj.or.jp）は外国人住民の入国規制の緩和を請願する陳情書を6月4日に発表しました。直接のリンクはこちら：https://static1.squarespace.com/static/5eb491d611335c743fef24ce/t/5ed8ad242aa608649c0696cb/1591258405032/200604+Statement+on+the+prohibition+on+the+entry+into+Japan+of+foreign+nationals+Clean.pdf
その内容は本陳情書とかなり似ているかと思います。力強い味方が現れたと言えるでしょう。
The American Chamber of Commerce in Japan (www.accj.or.jp) has published a public complaint against Japan's current re-entry restrictions on June 4th. The direct link is as follows: https://static1.squarespace.com/static/5eb491d611335c743fef24ce/t/5ed8ad242aa608649c0696cb/1591258405032/200604+Statement+on+the+prohibition+on+the+entry+into+Japan+of+foreign+nationals+Clean.pdf
Their request is fairly close to this petition. It looks like that we have a powerful ally.