Nakagawa Laboratories, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H04B TRANSMISSION 2208

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7929867 Emergency lamp and wireless emergency lamp data transmission systemAug 05, 09Apr 19, 11[H04B]
7583901 Illuminative light communication deviceOct 23, 03Sep 01, 09[H04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0111,538 ILLUMINATING LIGHT COMMUNICATION DEVICEAbandonedMar 30, 07May 06, 10[H04B]
2009/0310,976 Illuminative light communication systemAbandonedAug 05, 09Dec 17, 09[H04B]
2009/0297,156 Illuminative light communication system, lighting device and illuminative light sourceAbandonedAug 05, 09Dec 03, 09[H04B]
2009/0297,166 Illuminative light communication deviceAbandonedAug 05, 09Dec 03, 09[H04B]
2009/0297,167 Illuminative light communication device and lighting deviceAbandonedAug 05, 09Dec 03, 09[H04B]
2009/0214,225 Data Transmission Apparatus and Data Reception ApparatusAbandonedMay 17, 06Aug 27, 09[H04B]
2008/0258,641 Power Supply For Semiconductor Light Emitting Device And Illuminating DeviceAbandonedOct 20, 05Oct 23, 08[H05B]
2007/0281,739 Cellular Phone Terminal with Visible Light Transmitter/ReceiverAbandonedMar 04, 05Dec 06, 07[H04M]
2007/0274,727 Communications System and Leaky Optical FiberAbandonedMar 04, 05Nov 29, 07[H04B]
2007/0275,750 Position Data Communication DeviceAbandonedFeb 01, 05Nov 29, 07[H04M, F21V]
2007/0254,694 Camera-Equipped Cellular Terminal for Visible Light CommunicationAbandonedFeb 01, 05Nov 01, 07[H04M]

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