Koga; Motoyuki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koga; Motoyuki.The latest application filed is for "method for lining pipes in pipelines".
- Koga; Motoyuki - Tokyo JP
- Koga; Motoyuki - Meguro-ku Tokyo JP
| Patent | Date |
|---|---|
| Method for lining pipes in pipelines Grant 4,505,613 - Koga March 19, 1 | 1985-03-19 |
| Method for lining pipes of a pipeline Grant 4,454,174 - Koga June 12, 1 | 1984-06-12 |
| Device for preventing leakage at pipe joints Grant 4,346,922 - Ohtsuga , et al. August 31, 1 | 1982-08-31 |
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