4. Electrical audio signal processing systems and devices
  5. Electro-acoustic audio transducer
  6. Having electrostatic element

Kouji Nishikawa

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Electret condenser microphone unit

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Patent

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Hydrophobic inorganic fine particles and toner

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate

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Magnetic toner

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate

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Method for producing optically active 1,2-diols by...

Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Resolution of optical isomers or purification of organic...
Reexamination Certificate

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Method for producing optically active 3-chloro-2-methyl-1,...

Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Resolution of optical isomers or purification of organic...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-522453

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