Hiroyuki Abe

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Sendai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Underground chemical reactor
- Patent number 4,937,052
- Issue date Jun 26, 1990
- Tohoku University
- Hideaki Takahashi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method of drilling a well by utilizing AE/MA measurement
- Patent number 4,924,950
- Issue date May 15, 1990
- Nakatsuka; K.
- Hiroaki Niitsuma
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for determining fracture toughness of rock by core boring
- Patent number 4,759,214
- Issue date Jul 26, 1988
- Tohoku University
- Hideki Sekine
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of measuring crustal stress by hydraulic fracture based on a...
- Patent number 4,665,984
- Issue date May 19, 1987
- Tohoku University
- Kazuo Hayashi
- E21 - EARTH DRILLING MINING