[1] The series won the Laurel Prize from the Japan Railfan Club in 1984.

In 1993, three of those test vehicles would be renumbered and incorporated into an existing 7000 series set.

[2] In lieu, three replacement cars would be built in December 1993 as the tenth and last batch of the series.

Beginning in fiscal 2013, the 6000 series fleet has undergone a refurbishment programme.

[5] The refurbishment includes a redesigned interior based on that of the 13000 series, with wider bucket-style seats, audiovisual door warnings, internal LCD information displays, LED lighting throughout, and accessibility improvements.