4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Osamu Kamada

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Current and/or voltage detector for a distribution system

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Using radiant energy
Patent

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Magnetic field measurement apparatus

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Process for preparing bead polymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent

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Sheet surface treating agent and ink-jet printing paper

Paper making and fiber liberation – Processes and products – Non-fiber additive
Reexamination Certificate

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Profile ID: LFUS-PAI-P-107209

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