Oohiro Works, Ltd.

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Patent Activity in the Last 10 Years

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Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D489481 Automatic hair washing machineJul 07, 99May 04, 04[2803]
D488586 Automatic hair washerJun 09, 00Apr 13, 04[2803]
D488257 Automatic hair washerNov 28, 01Apr 06, 04[2803]
D482820 Automatic hair washerNov 28, 01Nov 25, 03[2803]
D475158 Hair washerOct 18, 00May 27, 03[2803]
D474562 Hair processing acceleratorApr 16, 01May 13, 03[2803]
D468483 Hair processing acceleratorFeb 05, 01Jan 07, 03[2803]
D462423 Pedestal sink for washing hairOct 18, 00Sep 03, 02[2302]
D459448 Chair support and pedestal sink for washing hairOct 18, 00Jun 25, 02[2302]
D459449 Pedestal sink for washing hairOct 18, 00Jun 25, 02[2302]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6761339 Leg part for a barber or beauty chairExpiredApr 10, 01Jul 13, 04[A47C, F16M]
6679908 Facial treatment deviceExpiredDec 29, 00Jan 20, 04[A61F]
6651674 Hair heating device having concentric reverse reduction gearingExpiredOct 10, 01Nov 25, 03[A45D]
6615418 Automatic hair washerExpiredOct 01, 01Sep 09, 03[A45D]
6609759 Chair and stand for chairExpiredApr 30, 01Aug 26, 03[A47C]
6604251 Hair washing standExpiredApr 30, 01Aug 12, 03[A45D]
6526605 Automatic hair washerExpiredSep 24, 01Mar 04, 03[A45D]
6519789 Shampoo basinExpiredOct 12, 01Feb 18, 03[A45D]
6463597 Hair washing apparatusExpiredJul 17, 01Oct 15, 02[A45D]
6442340 Hair processing accelerator with rotatably adjustable semicircular heatersExpiredOct 01, 01Aug 27, 02[A45D]
6434763 Seat supporting table for a barber or beauty chair and hair washer with the seat supporting tableExpiredJul 09, 01Aug 20, 02[A45D]
6430365 Hair processing accelerator with rotatable adjustable semicircular heatersExpiredSep 24, 01Aug 06, 02[A45D]
6408455 Automatic hair washerExpiredAug 20, 99Jun 25, 02[A45D]
6401272 Hair washerExpiredDec 30, 99Jun 11, 02[A45D]
2002/0053,821 Hair washing apparatusAbandonedSep 24, 01May 09, 02[A47C]
6367101 Automatic hair washerExpiredJan 03, 00Apr 09, 02[A45D]
6291051 Waterproof sheet for hair washing and automatic hair washer using such waterproof sheetExpiredOct 05, 99Sep 18, 01[A45D, B32B]
6269492 Automatic hair washerExpiredJan 03, 00Aug 07, 01[A45D]
6249922 Automatic hair washerExpiredAug 20, 99Jun 26, 01[A45D]
6243888 Hair washerExpiredJan 03, 00Jun 12, 01[A45D]

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