Inventor
SAKANAKA TETSUO
JP17 patents
Patents
17 patentsUS5627669AMay 6, 1997
Optical transmitter-receiver
CANON KK102 citations96
US5113278AMay 12, 1992
Communication system and apparatus using chip signals
CANON KK107 citations95
US5594580AJan 14, 1997
Optical space communication apparatus
CANON KK70 citations93
US7058307B2Jun 6, 2006
Free-space optical communication apparatus and free-space optical communication system
CANON KK22 citations92
US6968133B2Nov 22, 2005
Optical free-space communication apparatus
CANON KK20 citations92
US6335811B1Jan 1, 2002
Optical space communication apparatus
CANON KK45 citations92
US5680241AOct 21, 1997
Optical space communication
CANON KK38 citations92
US5610748AMar 11, 1997
Optical space communication apparatus sending main signals and an auxiliary signal for controlling the intensity at the receiver
CANON KK41 citations92
US5530577AJun 25, 1996
Two-way optical communication apparatus
CANON KK40 citations92
US5264955ANov 23, 1993
Optical space communication apparatus
CANON KK30 citations91
US5105294AApr 14, 1992
Digital communicating method and apparatus
CANON KK46 citations91
US7346282B2Mar 18, 2008
Optical-transmission-space determining apparatus and optical-space transmission apparatus
CANON KK25 citations89
US5392148AFeb 21, 1995
Optical space communicating apparatus
CANON KK13 citations74
US7190905B2Mar 13, 2007
Spatial optical communication apparatus
CANON KK8 citations73
US6507424B2Jan 14, 2003
Optical space communication apparatus
CANON KK9 citations73
US5500754AMar 19, 1996
Optical transmitter-receiver
CANON KK10 citations72
US7489871B2Feb 10, 2009
Light detection apparatus and free space optics communication apparatus
CANON KK5 citations62