Toshihiko Yoshida

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Toyama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tungsten electrode material and thermionic emission current measuri...
- Patent number 9,502,201
- Issue date Nov 22, 2016
- A.L.M.T. Corp.
- Seiji Nakabayashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
TUNGSTEN ELECTRODE MATERIAL AND THERMIONIC EMISSION CURRENT MEASURI...
- Publication number 20110243184
- Publication date Oct 6, 2011
- A.L.M.T. Corp.
- Seiji Nakabayashi
- H01 - BASIC ELECTRIC ELEMENTS