Isida; Tosio
Patent Applications and Registrations
Patent applications and USPTO patent grants for Isida; Tosio.The latest application filed is for "aromatic polyimide composite separating membrane".
- Isida; Tosio - Ichihara JP
| Patent | Date |
|---|---|
| Aromatic polyimide composite separating membrane Grant 4,528,004 - Makino , et al. July 9, 1 | 1985-07-09 |
| Porous aromatic imide polymer membrane and a process for its manufacture Grant 4,512,893 - Makino , et al. April 23, 1 | 1985-04-23 |
| Process for modifying porous polymeric membrane Grant 4,486,376 - Makino , et al. December 4, 1 | 1984-12-04 |
| Production of aromatic polyimide separating membranes Grant 4,485,056 - Makino , et al. November 27, 1 | 1984-11-27 |
| Aromatic polyimide gas-separating membrane Grant 4,474,858 - Makino , et al. October 2, 1 | 1984-10-02 |
| Process for producing porous aromatic polyimide membranes Grant 4,474,662 - Makino , et al. October 2, 1 | 1984-10-02 |
| Process for producing aromatic polyimide composite separating membrane Grant 4,440,643 - Makino , et al. April 3, 1 | 1984-04-03 |
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