4. Semiconductor device manufacturing: process
  5. Making device or circuit responsive to nonelectrical signal
  6. Responsive to electromagnetic radiation

Eiji Matsuyama

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Charge transfer device

Semiconductor device manufacturing: process – Making device or circuit responsive to nonelectrical signal – Responsive to electromagnetic radiation
Reexamination Certificate

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Earphone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Design Patent

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Earphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Reexamination Certificate

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Illuminated switch

Electricity: circuit makers and breakers – Electric switch details – Indicators
Reexamination Certificate

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Optical fiber attenuator with attenuating dopant limited to...

Optical waveguides – Optical fiber waveguide with cladding – With graded index core or cladding
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2361417

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