4. Education and demonstration
  5. Audio recording and visual means
  6. Image projector

Hiroomi Ueda

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High-frequency amplifier

Amplifiers – With semiconductor amplifying device – Including plural amplifier channels
Reexamination Certificate

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Holding frame and display apparatus incorporating the same

Optical: systems and elements – Lens – With support
Patent

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Information reproducer and information creating unit

Education and demonstration – Audio recording and visual means – Image projector
Patent

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Profile ID: LFUS-PAI-P-504759

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