| year/month | Timeline | 
											
											
												| 1965/08 | 【World】DEC announced the world's first minicomputer, PDP-8 | 
											
											
												| 1969/02 | Hitachi developed its first minicomputer, HITAC 10 in Japan | 
											
											
												| 1969/03 | Fujitsu announced a minicomputer, FACOM R | 
											
											
												| 1969/07 | NEC announced a minicomputer, NEAC M4 | 
											
											
												| 1969/07 | Oki Electric announced OKITAC-4300, mincomputer called the 10 thousand doller computer | 
											
											
												| 1969/09 | Matsushita Communication announced minicomputers, MACC-7 and MACC-7/S | 
											
											
												| 1969 | 【World】Data General announced NOVA, the first 16-bit mini-computer | 
											
											
												| 1970/04 | Oki Electric announced OKITAC-4500, minicomputer for scientific system, measurement system and process control system | 
											
											
												| 1970/09 | Toshiba announced its company-first mini computer, TOSBAC-40A (16bit) | 
											
											
												| 1970 | 【World】DEC announced the PDP-11, a 16-bit minicomputer characterized by general-purpose registers and instruction set orthogonality | 
											
											
												| 1970 | 【World】DEC announced the minicomputer, PDP-11(16bit) | 
											
											
												| 1971/11 | Mitsubishi Electric announced the best performance minicomputer, MELCOM 70 in Japan | 
											
											
												| 1972/08 | Fujitsu announced a multi purpose, mini computer, FACOM U-200 | 
											
											
												| 1972/10 | Hitachi developed the minicomputer, HITAC 10 II (16bit) which was successor model of HITAC 10 | 
											
											
												| 1972 | 【World】B.W.Kernighan & D.M.Ritchie developed C Programming Language | 
											
											
												| 1975/06 | Panafacom(now, PFU) announced a 16-bit mini computer using LSI processor first in Japan, PANAFACOM U-100 | 
											
											
												| 1975/07 | Oki Electric announced OKITAC system 50 series, mincomputer adapted for real-time and multi-task processing | 
											
											
												| 1975/12 | Hitachi developed HITAC 20 which was the high-end model of HITAC 10 II | 
											
											
												| 1976/04 | Mitsubishi Electric announced minicomputer, MELCOM70/20, 25and 35 which adopted the bipolar-LSI(16bit) first in Japan | 
											
											
												| 1977/10 | 【World】DEC announced the VAX-11/780, the successor to the PDP-11, and began supplying the VAX/VMS (Virtual Memory System) as the minicomputer’s operating system | 
											
											
												| 1977/10 | 【World】DEC announced the super-minicomputer, VAX-11/780 | 
											
											
												| 1978/01 | Toshiba announced TOSBAC-7/70, the Japan's first 32-bit archtectured super minicomputer | 
											
											
												| 1978/02 | 【World】B.W. Kernighan and D.M. Ritchie published “The C Programming Language,” the original text of the C language | 
											
											
												| 1978/02 | NEC announced NEAC MS computer, a minicomputer for full-scale distributed prcessing. | 
											
											
												| 1978/07 | Fujitsu & Panafacom(now, PFU) announced a 16-bit minicomputer, PANAFACOM U-1000 series (consisting of three model) | 
											
											
												| 1978/09 | Mitsubishi Electric announced MELCOM 70 sereies ranging from board-style minicomputer to Japanese highest performance machine | 
											
											
												| 1980/02 | 【World】Motorola began shipping the MC 68000 microprocessor with 32-bit internal processing and a 16-bit external bus | 
											
											
												| 1981/03 | Hitachi developed HITAC E-600 series, a successor model to HITAC 10 II series | 
											
											
												| 1981/05 | Toshiba put a scientific super minicomputer(32bit), TOSBAC data system 600 on the market | 
											
											
												| 1981/09 | Hitach developed a 32-bit super minicomputer, HITAC E-800 series a successor model to HITAC 20 | 
											
											
												| 1982/01 | NEC announced MS190, a 32-bit minicomputer with the highest speed in the world. | 
											
											
												| 1982/05 | Oki Electric announced OKITAC system 50V series, mincomputer adapted to distributed processing and Japanese language processing | 
											
											
												| 1982/10 | Toshiba put TOSBAC UX-300, the Japanized UNIX-based scientific desktop computer on the market | 
											
											
												| 1983/02 | Fujitsu & Panafacom(now, PFU) announced their first 32-bit super minicomputer, S-3000 series (consisting of two model) | 
											
											
												| 1984/05 | Mitsubishi Electric announced a super minicomputer(32-bit), MELCOM 70 MX/3000 | 
											
											
												| 1984 | 【World】Motorola began shipping the MC 68020 32-bit microprocessor | 
											
											
												| 1985/09 | Mitsubishi Electric a small sized and high performance, super minicomputer(32-bit), MELCOM 70 MX/2000 series | 
											
											
												| 1986/06 | NEC announced MS4100 series, a super-minicomputer which registered the highest price/performance ratio in Japan | 
											
											
												| 1987/04 | Fujitsu & Panafacom(now, PFU) announced a 32-bit super minicomputer, A(pronouncing as Ace) series (consisting of 7 model) using UNIX OS | 
											
											
												| 1987 | 【World】Motorola began shipping the MC 68030 32-bit microprocessor with an internal MMU | 
											
											
												| 1988/04 | Mitsubishi Electric announced high-end super minicomputer(32-bit), MELCOM 70 MX/5000 series | 
											
											
												| 1988/07 | Oki Electric announced OKITAC8300, the 32-bit super mincomputer | 
											
											
												| 1989/01 | Mitsubishi Electric announced minicomputer, MELCOM 70 MX/5000-SP series which had automatic vectorized FORTRAN and vectorial processor fisrt in Japan | 
											
											
												| 1990 | 【World】Motorola began shipping the MC 68040 32-bit microprocessor with an internal FPU and MMU |