Ohtsuka; Masahisa

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F25C PRODUCTION, WORKING, STORING OR DISTRIBUTION OF ICE 124
 
 
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 145

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5261245 Method for making ice slab and/or artificial snowFeb 28, 92Nov 16, 93[F25C, F25D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5556671 Artificial snow in an aggregate form of snow granulesExpiredMar 15, 95Sep 17, 96[F25C]

Top Inventors for This Owner

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