Inventor
UCHIYAMA HARUYOSHI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “UCHIYAMA HARUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ANDO ELECTRIC
15 patentsUS5500762AMar 19, 1996
Light frequency control apparatus
ANDO ELECTRIC29 citations91
US6700655B2Mar 2, 2004
Optical fiber characteristic measuring device
ANDO ELECTRIC29 citations89
US5561551AOct 1, 1996
Method and apparatus for determining noise factor of optical amplifier
ANDO ELECTRIC19 citations84
US6335788B1Jan 1, 2002
Optical-fiber characteristics measuring apparatus
ANDO ELECTRIC17 citations83
US5821426AOct 13, 1998
Optical fiber strain measuring apparatus
ANDO ELECTRIC18 citations83
US6055044AApr 25, 2000
Apparatus for measuring characteristics of optical fiber
ANDO ELECTRIC17 citations80
US5777727AJul 7, 1998
OTDR measurement device
ANDO ELECTRIC12 citations74
US5880463AMar 9, 1999
Optical fiber strain-measuring apparatus
ANDO ELECTRIC15 citations73
US5880824AMar 9, 1999
Optical fiber strain measuring apparatus
ANDO ELECTRIC8 citations71
US5781322AJul 14, 1998
Method and apparatus for measuring the noise figure of an optical amplifier
ANDO ELECTRIC11 citations71
US5949533ASep 7, 1999
Optical fiber distortion measurement device and method thereof
ANDO ELECTRIC11 citations69
US6366348B1Apr 2, 2002
Optical fiber distortion measuring apparatus and optical fiber distortion measuring method
ANDO ELECTRIC5 citations62
US5581389ADec 3, 1996
Light frequency control apparatus
ANDO ELECTRIC4 citations61
US5493110AFeb 20, 1996
Light frequency synthesizer
ANDO ELECTRIC2 citations61
US5438578AAug 1, 1995
Light-frequency control apparatus
ANDO ELECTRIC5 citations61