Masao Ohkubo active positions
| Companies | Position | Start | End |
|---|---|---|---|
| JEM (Hong Kong) Co., Ltd. | Chairman | 30/05/2011 | - |
Career history of Masao Ohkubo
Former positions of Masao Ohkubo
| Companies | Position | Start | End |
|---|---|---|---|
| JAPAN ELECTRONIC MATERIALS CORPORATION | Chairman | 30/05/2011 | 24/06/2011 |
Tokyo Cathode Laboratory Co., Ltd.
 Tokyo Cathode Laboratory Co., Ltd. SemiconductorsElectronic Technology Tokyo Cathode Laboratory Co., Ltd. engages in the manufacture and sale of materials and components for electronic equipment. It operates through the Probe Card Business and Electronic Components Business segments: The Probe Card Business segment includes parts for electron tubes, evaporation devices, implantation process parts, aluminum for etchers, and silicon electrodes. The Probe Card Business segment includes probe cards for integrated circuits, vertical probe cards, and probe pins. The company was founded in May 1950 and is headquartered in Tokyo, Japan. | Director/Board Member | 01/04/1949 | - |
Statistics
International
| Japan | 3 |
| Hong Kong | 2 |
Operational
| Chairman | 2 |
| Director/Board Member | 1 |
Sectoral
| Electronic Technology | 3 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Listed companies | 1 |
|---|---|
| JAPAN ELECTRONIC MATERIALS CORPORATION | Electronic Technology |
| Private companies | 2 |
|---|---|
Tokyo Cathode Laboratory Co., Ltd.
Tokyo Cathode Laboratory Co., Ltd. SemiconductorsElectronic Technology Tokyo Cathode Laboratory Co., Ltd. engages in the manufacture and sale of materials and components for electronic equipment. It operates through the Probe Card Business and Electronic Components Business segments: The Probe Card Business segment includes parts for electron tubes, evaporation devices, implantation process parts, aluminum for etchers, and silicon electrodes. The Probe Card Business segment includes probe cards for integrated circuits, vertical probe cards, and probe pins. The company was founded in May 1950 and is headquartered in Tokyo, Japan. | Electronic Technology |
| JEM (Hong Kong) Co., Ltd. |
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