![Shigeru Umenaka](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Shigeru Umenaka held positions as Representative Director at Tokyo Seimitsu Co., Ltd. from 2012 to 2015 and as President & Representative Director at Tosei Engineering Corp.
| Sociétés | Poste | Fin |
|---|---|---|
Tosei Engineering Corp.
 Tosei Engineering Corp. Electronic Equipment/InstrumentsElectronic Technology Manufactures measuring instruments | President | - |
| TOKYO SEIMITSU CO., LTD. | Directeur/Membre du Conseil | - |
Actives
Inactives
Sociétés cotées
Entreprise privées
| Entreprise privées | 2 |
|---|---|
Tokyo Seimitsu Co., Ltd.
 Tokyo Seimitsu Co., Ltd. Industrial MachineryProducer Manufacturing Manufactures semiconductor and precision measuring devices | Producer Manufacturing |
Tosei Engineering Corp.
Tosei Engineering Corp. Electronic Equipment/InstrumentsElectronic Technology Manufactures measuring instruments | Electronic Technology |
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