Tamotsu Ishii

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Omiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production of ferrites for magnetostrictive vibrators
- Patent number 4,151,432
- Issue date Apr 24, 1979
- Mitsubishi Kinzoku Kabushiki Kaisha
- Yumi Akimoto
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Magnetite ferrite for magnetostrictive vibrators
- Patent number 4,104,549
- Issue date Aug 1, 1978
- Mitsubishi Kinzoku Kabushiki Kaisha
- Yumi Akimoto
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL