CHIYODA KOHAN CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
 
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9499415 Ultraviolet irradiation apparatusAug 14, 14Nov 22, 16[G01J, C02F, A61L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6197203 Filtration method and filtration apparatusExpiredFeb 24, 99Mar 06, 01[C02F]

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