Inventor
ICHIKAWA AKIO
US20 patents
⚠️ This page may combine multiple inventors who share the name “ICHIKAWA AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ANDO ELECTRIC
15 patentsUS5191387AMar 2, 1993
Polarization control system
ANDO ELECTRIC34 citations92
US6643603B2Nov 4, 2003
Chromatic dispersion distribution measurement apparatus and method for the same
ANDO ELECTRIC14 citations83
US6580500B2Jun 17, 2003
Chromatic dispersion distribution measurement apparatus and method for the same
ANDO ELECTRIC10 citations73
US6101021AAug 8, 2000
Optical pulse generator
ANDO ELECTRIC10 citations73
US5383210AJan 17, 1995
Optical phase locked loop circuit
ANDO ELECTRIC14 citations73
US5159400AOct 27, 1992
Apparatus for testing optical fiber by using detector having virtually broadened dynamic range
ANDO ELECTRIC12 citations73
US6108465AAug 22, 2000
Optical pulse generator
ANDO ELECTRIC13 citations71
US6693714B1Feb 17, 2004
Position sensor for movable body and optical interferometer
ANDO ELECTRIC3 citations62
US6594005B2Jul 15, 2003
Chromatic dispersion distribution measurement apparatus, method and storage medium for the same
ANDO ELECTRIC6 citations62
US6580499B2Jun 17, 2003
Chromatic dispersion distribution measurement apparatus and method for the same
ANDO ELECTRIC5 citations62
US6504613B1Jan 7, 2003
Optical interferometer with a casing and an optical part that is movable with respect to the casing
ANDO ELECTRIC4 citations62
US6594019B1Jul 15, 2003
Data processor and data processing method for wavemeter
ANDO ELECTRIC2 citations60
US6570658B1May 27, 2003
Optical part driving device incorporated into a detachable block and optical interferometer including same
ANDO ELECTRIC0 citations51
US6593727B1Jul 15, 2003
Data processor and data processing method for wavemeter
ANDO ELECTRIC0 citations49
US6690977B1Feb 10, 2004
Data processor and data processing method for wavemeter
ANDO ELECTRIC0 citations39
SHIMIZU YUKITAKA
4 patentsUS8307448B2Nov 6, 2012
Storage device, storage method, and image display device
SHIMIZU YUKITAKA5 citations60
US8170399B2May 1, 2012
Recording device and method
SHIMIZU YUKITAKA2 citations55
US9064095B2Jun 23, 2015
Content use control device, recording device, reproduction device, recording medium, and content use control method
SHIMIZU YUKITAKA0 citations49
US8108314B2Jan 31, 2012
Content use control device, recording device, reproduction device, recording medium, and content use control method
SHIMIZU YUKITAKA1 citations49