• Defunct computer companies of Japan‎ (1 C, 5 P)

C

• Canon Inc.‎ (9 C, 15 P)

E

• Epson‎ (3 C, 9 P)

F

• Fujitsu‎ (7 C, 15 P)

K

• Konica Minolta‎ (3 C, 15 P)
• Kyocera‎ (1 C, 15 P)

M

• Mitsubishi Electric‎ (3 C, 13 P)

N

• NEC Corporation‎ (7 C, 14 P)

S

• Seiko‎ (1 C, 13 P)
• Sharp Corporation‎ (3 C, 3 P)
• Sony‎ (9 C, 53 P)

T

• Toshiba‎ (8 C, 36 P)

V

• Vaio‎ (2 C, 1 P)

A

• Alaxala Networks
• Allied Telesis

C

• Canon Inc.

D

• Dynabook Inc.

E

• Elecom
• Epson

F

• Funai

G

• Graphtec Corporation

I

• Iiyama (company)

K

• Konica Minolta
• Kyocera

M

• Melco
• Micron Memory Japan
• Mitsubishi Electric
• Mutoh Europe nv

O

• Oki Electric Industry

P

• Panasonic
• PFU Limited

R

• Riso Kagaku Corporation

S

• Seiko
• Sharp Corporation
• Sony
• Star Micronics

T

• Topre
• Toshiba

V

• Vaio

W

• Wacom