Tamotsu Koyama

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Kashihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Resilient interconnection for exchangeable liquid crystal panel
- Patent number 4,545,647
- Issue date Oct 8, 1985
- Sharp Kabushiki Kaisha
- Takehiko Sasaki
- G04 - HOROLOGY
Information Patent Grant
Unidirectional flexure type tuning fork crystal vibrator
- Patent number 4,468,584
- Issue date Aug 28, 1984
- Sharp Kabushiki Kaisha
- Tutomu Nakamura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Piezo-vibrator unit ceramic package with integral capacitor
- Patent number 4,283,650
- Issue date Aug 11, 1981
- Sharp Kabushiki Kaisha
- Tamotsu Koyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Exchangeable liquid crystal panel
- Patent number 4,142,780
- Issue date Mar 6, 1979
- Sharp Kabushiki Kaisha
- Takehiko Sasaki
- G02 - OPTICS