Japan Ergonomic Keyboard History

• Thumb-Shift, 1980
• NEC PC-8801-KI, 1983
• NEC 文豪 Mini7, 1985
• TRON, 1986
• NEC M-system, 1990
• NEC 文豪 Mini7RM, 1992
• NEC PC-9801, 1992
• NEC Ergofit, 1998
• Scythe Ergo Diver, ~2003
• μTRON, 2007
• Esrille New

• NEC M-System keyboards History
• MSX Home Computer
• SANYO Medicom MC-KM5600B
• ALPS Kanji