Takenaka Doboku Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Takenaka Doboku Co., Ltd..The latest application filed is for "concrete composition for underwater use".
- Takenaka Doboku Co., Ltd. - Tokyo JP
| Patent | Date |
|---|---|
| Concrete composition for underwater use Grant 4,743,301 - Ito , et al. * May 10, 1 | 1988-05-10 |
| Cement composition for laying underwater Grant 4,508,572 - Sakuta , et al. April 2, 1 | 1985-04-02 |
| Machine for and method of hardening soft ground in depths Grant 4,436,453 - Miura , et al. March 13, 1 | 1984-03-13 |
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