Ryoji Iwakura

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Charging circuit

Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Reexamination Certificate

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Crystal oscillator circuit using CMOSFETs

Oscillators – Electromechanical resonator – Crystal
Reexamination Certificate

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Electric timepiece

Horology: time measuring systems or devices – With calendar indicator
Reexamination Certificate

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Electronic timepiece

Patent

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Electronic timepiece having improved primary frequency divider r

Horology: time measuring systems or devices – Regulating means – For adjusting the frequency or beat
Patent

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Profile ID: LFUS-PAI-P-684990

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