While browsing and ordering an Analog RGB Component adapter for Apple IIGS, i notised he had made also new products like Component Video Card for Apple IIe (supports only NTSC at the moment) as well 64k/80 column card as well on prototype stage, Unidisk http://ameblo.jp/nishidaradio/entry-11669140045.html

http://tulip-house.ddo.jp/DIGITAL/english.html

This guy is genius.