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Patent applications and USPTO patent grants for Okawa; Tatsuya.The latest application filed is for "arc-extinguishing insulation material molded product and gas circuit breaker including the same".
Patent | Date |
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Arc-extinguishing insulation material molded product and gas circuit breaker including the same Grant 9,475,906 - Kubo , et al. October 25, 2 | 2016-10-25 |
Gas insulated switchgear and manufacturing method of the same Grant 9,349,501 - Miyamoto , et al. May 24, 2 | 2016-05-24 |
Arc-extinguishing Insulation Material Molded Product And Gas Circuit Breaker Including The Same App 20150357137 - KUBO; Kazuki ;   et al. | 2015-12-10 |
Fiber-reinforced Composite Material, Method Of Producing Same, And Elevator Component Member And Elevator Car That Use Same App 20150336335 - OKAWA; Tatsuya ;   et al. | 2015-11-26 |
Gas Insulated Switchgear And Manufacturing Method Of The Same App 20140346143 - Miyamoto; Takashi ;   et al. | 2014-11-27 |
Splashproof construction for portable type electronic device Grant 5,665,485 - Kuwayama , et al. September 9, 1 | 1997-09-09 |
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