| Oct.1972 |
Aoi Electric Started as recycling AC dynamo / ignition starter, and its
export business started. |
| Oct.1973 |
New factory built, and its site 1,200m2 |
| Mar.1974 |
Aoi Electric Co.,Ltd. Established with its capital \3,000,000.
Die-designing, producting, and marketing, and press-processing started. |
| Dec.1974 |
Halogen lamp assembling started. |
| May.1977 |
Capital increased to \l0,000,000. |
| 0ct.1980 |
Capital increased to \20,000,000. |
| JuL1983 |
The second factory built, and its site 460m2. |
| JuI.1983 |
Kanki factory in Kakogawa built, and halogen lamp production increased. |
| 0ct.1985 |
Mitsuba Seiko Co.,Ltd. Established with its capital \3,000,000 and die-designing,
producting, and marketing business seperated from Aoi Electric Co"Ltd. |
| Jan.1986 |
New factory for halogen lamp manufacturing built, and its site 3,000m2. |
| Feb.1987 |
Sigma Corporation built with its capital \20,000,000. Halogen lamp manufacturing
business seperated from Aoi Electric Co.,Ltd" and its design, production,
marketing started, and its export business started. |
| Jun.1988 |
Capital increased to \60,000,000. |
| Aug.1991 |
Capital increased to \66,700,000. |
| 0ct.1993 |
Halogen lamp production for electric home appliances started. |
| Mar.1994 |
Capital increased to \95,000,000. |
| Mar.1996 |
New factory built, and its site 1,000m2. |
| Apr.1999 |
New factory site and Parking lot built, and its site 1,100m2. |
|
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