Ohmura; Nobuhiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ohmura; Nobuhiko.The latest application filed is for "ion exchange membrane and production process therefor".
- Ohmura; Nobuhiko - Shunan JP
- OHMURA; Nobuhiko - Shunan-shi Yamaguchi
- Ohmura; Nobuhiko - Tokuyama JP
| Patent | Date |
|---|---|
| Ion exchange membrane and production process therefor Grant 10,583,430 - Takahashi , et al. | 2020-03-10 |
| Ion Exchange Membrane And Production Process Therefor App 20170216832 - TAKAHASHI; Tomoaki ; et al. | 2017-08-03 |
| Ion-exchange membrane Grant 9,162,185 - Ohmura , et al. October 20, 2 | 2015-10-20 |
| Ion-exchange Membrane App 20140014519 - Ohmura; Nobuhiko ; et al. | 2014-01-16 |
| Bipolar membrane and method for its production Grant 5,221,455 - Hanada , et al. June 22, 1 | 1993-06-22 |
| Novel anion-exchange membrane Grant 4,923,611 - Hanada , et al. May 8, 1 | 1990-05-08 |
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