Masaya Hisada

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Anpachi-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Excavation tool
- Patent number 9,551,190
- Issue date Jan 24, 2017
- Mitsubishi Materials Corporation
- Yoneo Hiwasa
- E21 - EARTH DRILLING MINING
Information Patent Grant
Excavating tool
- Patent number 9,428,964
- Issue date Aug 30, 2016
- Mitsubishi Materials Corporation
- Masaya Hisada
- E21 - EARTH DRILLING MINING
Information Patent Grant
Digging tool, digging bit, and device
- Patent number 8,550,191
- Issue date Oct 8, 2013
- Mitsubishi Materials Corporation
- Yoneo Hiwasa
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hollow drilling steel rod and method of manufacturing the same
- Patent number 8,430,977
- Issue date Apr 30, 2013
- Mitsubishi Materials Corporation
- Masaya Hisada
- C21 - METALLURGY OF IRON
Information Patent Grant
Drill rod, drill bit, and drilling tool
- Patent number 7,942,216
- Issue date May 17, 2011
- Mitsubishi Materials Corporation
- Masaya Hisada
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
EXCAVATING TOOL
- Publication number 20150300094
- Publication date Oct 22, 2015
- MITSUBISHI MATERIALS CORPORATION
- Masaya Hisada
- E21 - EARTH DRILLING MINING
Information Patent Application
EXCAVATION TOOL
- Publication number 20140311808
- Publication date Oct 23, 2014
- Yoneo Hiwasa
- E21 - EARTH DRILLING MINING
Information Patent Application
HOLLOW DRILLING STEEL ROD AND METHOD OF MANUFACTURING THE SAME
- Publication number 20120211127
- Publication date Aug 23, 2012
- DAIDO STEEL CO., LTD.
- Masaya HISADA
- C21 - METALLURGY OF IRON
Information Patent Application
DIGGING TOOL, DIGGING BIT, AND DEVICE
- Publication number 20100200302
- Publication date Aug 12, 2010
- MITSUBISHI MATERIALS CORPORATION
- Yoneo Hiwasa
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL ROD, DRILL BIT, AND DRILLING TOOL
- Publication number 20090260892
- Publication date Oct 22, 2009
- MITSUBISHI MATERIALS CORPORATION
- Masaya Hisada
- E21 - EARTH DRILLING MINING