| Year | Personal(個人的) | Job(仕事上) | Public(主な出来事) |
|---|---|---|---|
| 1980 | NEC9801 First Contact | . | Mosco Olympic. |
| 1983 | . | TOSHIBA TOSBAC | TDL start. Family computer |
| 1984 | . | IBM Mainframe | CD Diskman. |
| 1985 | . | IBM PC5550 | Osutaka Mt. |
| 1986 | . | Large Develop. Project MG | チェルノブイリ |
| 1987 | Machintosh First Contact | Large Develop. Project MG | JR. Last Kouraku-en. |
| 1988 | Mac Plus | SNA Network | Tokyo Dome. |
| 1989 | Mac IIci | Mail for Mainframe | Consumption TAX.Emperor dead. |
| 1990 | Color Printer | Large Develop. Project MG | Bubble Collapse |
| 1991 | Apple Talk Network | IBM OS/2 Network | First WWW and HTML |
| 1992 | DELL DOS/V PC | Novel Netware | TCP/IP for PC |
| 1993 | Color Scaner | MS WindowsNT | NII of Goa vice-president |
| 1994 | hp Laser Printer | Internet | First Netsacape |
| 1995 | Telbrige for Apple Talk | Client Server Develop. | Hanshin Erth quick |
| 1996 | My Home Page Start | ORACLE Dataware House | OCN start. |
| 1997 | Digital Photo Camera | PSI World Conference | Diana dead. Yamaichi. |
| 1998 | COMPAQ DOS/V PC | JAVA 3 layers Develop. | Nagano Olympic. France WC. |
| 1999 | iMac | Smart Card Security | NTT DoCoMo i-mode.ADSL |
| 2000 | hp DOS/V PC | Securuty Polcy | IT Bubble Collapse |
| 2001 | Internet Server at Home | IT Consultant | Newyork Terror. |
| 2002 | Renewal of My Home Page | Internatinal Offshore Business | Korea Japan World Cup. |
| 2003 | |||
| 2004 | |||
| 2005 | |||
| 2006 | MacBook, Mac Mini | Germany World Cup | |
| 2007 | MacBook + Parallels Desktop | ||
| 2008 | Windows Vista | Okinawa Data Center | Peking Summer Olympic |
| 2009 | MacBook Air + VMWare | Hong Kong Data Center | |
| 2010 | Windows7 | Vancouver Winter Olympic |