Yasuo Iijima

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Patents Grantslast 30 patents

Information Patent Grant
Insulation testing method and apparatus therefor
- Patent number 5,963,410
- Issue date Oct 5, 1999
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Iijima
- G01 - MEASURING TESTING
Information Patent Grant
Method of nondestructive insulation test and a nondestructive insul...
- Patent number 5,867,029
- Issue date Feb 2, 1999
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Iijima
- G01 - MEASURING TESTING
Information Patent Grant
High speed dynamic run-out testing apparatus and method
- Patent number 5,864,238
- Issue date Jan 26, 1999
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Iijima
- G01 - MEASURING TESTING
Information Patent Grant
Surge testing method in decompressed atmosphere for a small-size el...
- Patent number 5,594,348
- Issue date Jan 14, 1997
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Iijima
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic recording medium
- Patent number 4,239,835
- Issue date Dec 16, 1980
- Matsushita Electric Industrial Co., Ltd.
- Yasuo Iijima
- G11 - INFORMATION STORAGE