Katsutoshi Ihara

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Yonezawa-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Entry sheet for drilling and drilling method
- Patent number 9,826,643
- Issue date Nov 21, 2017
- Mitsubishi Gas Chemical Company, Inc.
- Noriaki Sugimoto
- B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

Information Patent Application
ENTRY SHEET FOR DRILLING AND DRILLING METHOD
- Publication number 20150125228
- Publication date May 7, 2015
- Mitsubishi Gas Chemical Company Inc.
- Noriaki Sugimoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR