JAPAN DRILLING CO., LTD.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Methane hydrate dissociation accelerating and methane gas deriving...
- Patent number 8,474,519
- Issue date Jul 2, 2013
- Japan Drilling Co., Ltd.
- Masahiro Nakamura
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of processing rock with laser and apparatus for the same
- Patent number 8,256,530
- Issue date Sep 4, 2012
- Japan Drilling Co., Ltd.
- Toshio Kobayashi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and device for excavating submerged stratum
- Patent number 7,802,384
- Issue date Sep 28, 2010
- Japan Drilling Co., Ltd.
- Toshio Kobayashi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Laser boring method and system
- Patent number 6,870,128
- Issue date Mar 22, 2005
- Japan Drilling Co., Ltd.
- Toshio Kobayashi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for reaming pilot hole
- Patent number 6,386,299
- Issue date May 14, 2002
- Japan Drilling Co., Ltd.
- Shohei Kato
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual hoist derrick system for deep sea drilling
- Patent number 6,217,258
- Issue date Apr 17, 2001
- Japan Drilling Co., Ltd.
- Hiromitsu Yamamoto
- E21 - EARTH DRILLING MINING
Information Patent Grant
Buoy having excellent resistance against external pressure
- Patent number 4,729,746
- Issue date Mar 8, 1988
- The Yokohama Rubber Co., Ltd.
- Eiji Takemae
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF PROCESSING ROCK WITH LASER AND APPARATUS FOR THE SAME
- Publication number 20100001179
- Publication date Jan 7, 2010
- JAPAN DRILLING CO., LTD.
- Toshio Kobayashi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method and device for excavating submerged stratum
- Publication number 20090126235
- Publication date May 21, 2009
- JAPAN DRILLING CO., LTD.
- Toshio Kobayashi
- E21 - EARTH DRILLING MINING

JAPAN DRILLING CO., LTD.

Organization

Patents Grantslast 30 patents

Methane hydrate dissociation accelerating and methane gas deriving...

Method of processing rock with laser and apparatus for the same

Method and device for excavating submerged stratum

Laser boring method and system

Method and apparatus for reaming pilot hole

Dual hoist derrick system for deep sea drilling

Buoy having excellent resistance against external pressure

Patents Applicationslast 30 patents

METHOD OF PROCESSING ROCK WITH LASER AND APPARATUS FOR THE SAME

Method and device for excavating submerged stratum

Trademarklast 30 trademarks