4. Typewriting machines
  5. Having power-driven operator for plural functions

Ritsuo Machii

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Dual use of ribbon sensor in a printing device

Typewriting machines – Means auxiliary to typewriting function – Indicator means
Patent

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Illumination apparatus and projector

Illumination – Light source and modifier – Including selected wavelength modifier
Patent

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Rear projection type display apparatus

Optical: systems and elements – Lens – With field curvature shaping
Reexamination Certificate

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Thermal printer with biaxial motor feed of the carriage and ribb

Typewriting machines – Having power-driven operator for plural functions
Patent

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Profile ID: LFUS-PAI-P-1128698

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