Makoto Yamada

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Katano, JA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for measuring stray current electrolytic corrosion
- Patent number 4,003,815
- Issue date Jan 18, 1977
- Sanyo Electric Co., Ltd.
- Hironosuke Ikeda
- G01 - MEASURING TESTING
Information Patent Grant
Stylus grinding device for video disc player
- Patent number 3,973,361
- Issue date Aug 10, 1976
- Sanyo Electric Co., Ltd.
- Masaru Yamano
- B82 - NANO-TECHNOLOGY