4. Acoustics
  5. Combined

Yoshio Sakamoto

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Card game toy for use in a battle game

Amusement devices: games – Card or tile games – cards or tiles therefor – With representations of persons or objects and names...
Reexamination Certificate

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Catalyst component for polymerization of olefins and process for

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent

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Diaphragm structure of light sound converter

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Diaphragm structure of light-sound converter

Optical communications – Photophone – Specific transducer
Reexamination Certificate

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Differential amplifier

Amplifiers – With semiconductor amplifying device – Including differential amplifier
Patent

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Profile ID: LFUS-PAI-P-125438

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