Ricoh Optical Industries Co., Ltd.

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Device for detecting emission light of micro-object having...

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

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Exposure mask, method of producing the same, exposure mask produ

Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask
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Gradation mask method of producing the same and method of formin

Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask
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Method and mold for fabricating article having fine surface...

Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Polymerizing – cross-linking – or curing
Reexamination Certificate

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Motor-driven film winder for cameras

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Profile ID: LFUS-PAI-P-594099

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