Nichigi Engineering Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nichigi Engineering Co., Ltd..The latest application filed is for "seismic detecting shut-down valve device".
- Nichigi Engineering Co., Ltd. - Fujisawa JP
| Patent | Date |
|---|---|
| Seismic detecting shut-down valve device Grant 6,311,714 - Watanabe November 6, 2 | 2001-11-06 |
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