4. Education and demonstration
  5. Mathematics
  6. Arithmetic

Yoshiro Kataoka

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Electronic device with calendar function

Horology: time measuring systems or devices – With memorandum holder or erasable writing surface
Patent

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Electronic device with calendar function including determining t

Horology: time measuring systems or devices – Plural time zones – With a world globe
Patent

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Electronic learning aid

Education and demonstration – Mathematics – Arithmetic
Patent

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Electronic learning aid operable in an examination mode

Education and demonstration – Mathematics – Arithmetic
Patent

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Electronic personal asset control device

Boots – shoes – and leggings
Patent

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Profile ID: LFUS-PAI-P-436728

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