Toyokako Kabushiki Kaisha

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Patents Grantslast 30 patents

Information Patent Grant
Method of making piezoelectric polymer using polytetramethylene oxi...
- Patent number 4,959,439
- Issue date Sep 25, 1990
- Toyokako Kabushiki Kaisha
- Katsumi Tanino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Piezoelectric polymer materials from epoxy resins and polytetrameth...
- Patent number 4,921,928
- Issue date May 1, 1990
- Toyokako Kabushiki Kaisha
- Katsumi Tanino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Piezoelectric pressure-sensitive element and method for making same
- Patent number 4,826,616
- Issue date May 2, 1989
- Toyokako Kabushiki Kaisha
- Katsumi Tanino
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

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