Method and device for excavating submerged stratum

United States of America Patent

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Sep 28, 2010
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May 21, 2009
app pub date
Mar 16, 2006
filing date
Apr 27, 2005

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Abstract

, thereby applying a thermal effect to a stratum to destroy rock and excavate the stratum. The destruction effect and the thermal effect also may be cooperatively worked.

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Patent Owner	Address
TOHOKU UNIVERSITY	SENDAI CITY MIYAGI PREFECTURE
JAPAN DRILLING CO LTD	MINATO-KU TOKYO 106
NATIONAL UNIVERSITY CORPORATION THE UNIVERSITY OF ELECTRO-COMMUNICATIONS	1-5-1 CHOFUGAOKA CHOFU-SHI TOKYO 182-8585

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Inventor Name	Address	# of filed Patents	Total Citations
Kobayashi, Toshio	Tokyo, JP	260	4062
Otomo, Kazuhisa	Tokyo, JP	1	91
Takayama, Kazuyoshi	Sendai, JP	27	407
Ueda, Ken-ichi	Chofu, JP	12	108
Uetake, Shigehito	Tokyo, JP	1	91

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Method and device for excavating submerged stratum

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United States of America Patent

11659730

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PATENT NO	7802384
APP PUB NO	20090126235A1
SERIAL NO	11659730
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 28, 2010	US,7802384,B2 US7802384B2	GRANTED PATENT AS SECOND PUBLICATION
May 21, 2009	US,20090126235,A1 US20090126235A1	FIRST PUBLISHED PATENT APPLICATION

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11659730

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