Japan Drilling Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Japan Drilling Co., Ltd..The latest application filed is for "method of processing rock with laser and apparatus for the same".
- Japan Drilling Co., Ltd. - Tokyo JP
| Patent | Date |
|---|---|
| Methane hydrate dissociation accelerating and methane gas deriving system Grant 8,474,519 - Nakamura , et al. July 2, 2 | 2013-07-02 |
| Method of processing rock with laser and apparatus for the same Grant 8,256,530 - Kobayashi , et al. September 4, 2 | 2012-09-04 |
| Method and device for excavating submerged stratum Grant 7,802,384 - Kobayashi , et al. September 28, 2 | 2010-09-28 |
| Method Of Processing Rock With Laser And Apparatus For The Same App 20100001179 - Kobayashi; Toshio ; et al. | 2010-01-07 |
| Method and device for excavating submerged stratum App 20090126235 - Kobayashi; Toshio ; et al. | 2009-05-21 |
| Laser boring method and system Grant 6,870,128 - Kobayashi , et al. March 22, 2 | 2005-03-22 |
| Dual hoist derrick system for deep sea drilling Grant 6,217,258 - Yamamoto , et al. April 17, 2 | 2001-04-17 |
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