It looks like a R-electronics product, developed before K-Heavy Industry.

It is a work of the era before charging by barrette type battery and electromagnetic induction was implemented.

Since it was treated as an old model in the 1990s, it seems to be a product of the 1980s.

Chronology based on our own research.

DATE / Android type

1984 Dec. type-06

1989 Aug. type-90F

1993 Dec. type-01

1994 Dec. type-4649 16-bit

1996 Nov. type-5984 64-bit

1997 May type-12

2000 Jul. type-73

2000 Sep. Unknown Anthro-human form computer

2011 Jul. Unknown Nano-series

2017 Mar. type-32S

2018 May type-400