Naoki SUGIHARA

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Osaka-shi, Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wire for reed switch, reed piece for reed switch, and reed switch
- Patent number 10,731,235
- Issue date Aug 4, 2020
- Sumitomo Electric Industries, Ltd.
- Hajime Ota
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Electrode material and electrode for ignition plug, and ignition plug
- Patent number 10,323,303
- Issue date Jun 18, 2019
- Sumitomo Electric Industries, Ltd.
- Hajime Ota
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
WIRE FOR REED SWITCH, REED PIECE FOR REED SWITCH, AND REED SWITCH
- Publication number 20190017152
- Publication date Jan 17, 2019
- Sumitomo Electric Industries, Ltd.
- Hajime OTA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ELECTRODE MATERIAL AND ELECTRODE FOR IGNITION PLUG, AND IGNITION PLUG
- Publication number 20180363102
- Publication date Dec 20, 2018
- Sumitomo Electric Industries, Ltd.
- Hajime OTA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...