Ohkoshi; Hisayoshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ohkoshi; Hisayoshi.The latest application filed is for "sprinkler head".
- Ohkoshi; Hisayoshi - Tokyo JP
| Patent | Date |
|---|---|
| Connection structure for fire extinguishing system piping Grant 11,054,068 - Ohkoshi , et al. July 6, 2 | 2021-07-06 |
| Sprinkler Head App 20200406080 - Ohkoshi; Hisayoshi ; et al. | 2020-12-31 |
| Sprinkler head Grant D894,339 - Ohkoshi , et al. A | 2020-08-25 |
| Spanner wrench Grant D887,800 - Koiwa , et al. | 2020-06-23 |
| Wrench socket for sprinkler head Grant D887,527 - Koiwa , et al. | 2020-06-16 |
| Deflector for sprinkler head Grant D886,945 - Ohkoshi , et al. | 2020-06-09 |
| Connection Structure For Fire Extinguishing System Piping App 20190264842 - OHKOSHI; Hisayoshi ; et al. | 2019-08-29 |
| Pipe joint Grant D821,550 - Ohkoshi , et al. June 26, 2 | 2018-06-26 |
| Sprinkler Head Cover App 20170007869 - OHKOSHI; Hisayoshi | 2017-01-12 |
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