HHKB Professional JP
The HHKB Professional JP line introduced a modified JIS-layout version of the HHKB. A Type-S variant was released a few years later. The JP line was released after the Professional 2 but does not include a USB hub.
|Model Number||Model Name||Layout||Case Color||Keycap color||Legends||Release Date|
|PD-KB420W||HHKB Professional JP||Modified JIS||White||White||Dyesub||2008-11-10|
|PD-KB420B||HHKB Professional JP||Modified JIS||Charcoal||Charcoal||Dyesub||2008-11-10|
|PD-KB420WS||HHKB Professional JP Type-S||Modified JIS||White||White||Dyesub||2011-06-15|