Shirone; Takashi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shirone; Takashi.The latest application filed is for "switch unit and switchgear".
- Shirone; Takashi - Hitachi JP
- Shirone; Takashi - Chiyoda-ku JP
| Patent | Date |
|---|---|
| Switch unit and switchgear Grant 8,975,550 - Sugai , et al. March 10, 2 | 2015-03-10 |
| Switchgear and method for operating switchgear Grant 8,710,388 - Utsumi , et al. April 29, 2 | 2014-04-29 |
| Switch Unit and Switchgear App 20120175234 - SUGAI; Daisuke ; et al. | 2012-07-12 |
| Switchgear and Method for Operating Switchgear App 20110036811 - Utsumi; Tomoaki ; et al. | 2011-02-17 |
| Vacuum switchgear Grant 7,244,903 - Utsumi , et al. July 17, 2 | 2007-07-17 |
| Vacuum switchgear App 20050173143 - Utsumi, Tomoaki ; et al. | 2005-08-11 |
| Vacuum Switchgear App 20050103514 - Utsumi, Tomoaki ; et al. | 2005-05-19 |
| Vacuum switchgear Grant 6,884,940 - Utsumi , et al. April 26, 2 | 2005-04-26 |
| Gas insulation transformer Grant 6,859,124 - Nishimizu , et al. February 22, 2 | 2005-02-22 |
| Gas insulation transformer App 20030080841 - Nishimizu, Akira ; et al. | 2003-05-01 |
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