(Tokyo) -(2002) It is the site which introduces the What's New and the function of TV phone software Fresh Voice of free distribution. (Fresh-Voice, VoIP, community-site, anet, TV-phone, voice-chat, free-software)
(Tokyo) -(2001) Otohime OFFICIAL WEB SITE (otohime, oto-hime, NAT, HAL)
(Tokyo) -(1999) Firewall security for Windows NT/2000 (Firewall, NCC, netGUARDIAN, NetGuard, NAT, VPN, Guidepost, Security)
(Tokyo) -(1998) first experience of constructing home page for the writer. main theme to be discussed would be on the art of paintings especially that of Picasso,democracy,translation between the two different languages and experience of atomic bomb explosion in Hiroshima. (Picasso, democracy, translation, atom bomb)