The Mitsumi site would not download file.
Had no choice but to go here to download.
This is a direct url download link.
The following files are found inside the driver download file.
|R30E_XC.CIP||526.3 KB||5 Aug 2002|
|WINFLASH.DAT||3.2 KB||7 Aug 2002|
|WINFLASH.INF||11 bytes||20 Aug 2002|
|WinFlash.exe||450.6 KB||14 Jun 2002|