Inventor
YAMAMOTO TOSHIKAZU
JP10 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO TOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YOKOGAWA ELECTRIC CORP
6 patentsUS7649627B2Jan 19, 2010
Wavelength calibration method and wavelength calibration apparatus
YOKOGAWA ELECTRIC CORP28 citations90
US11175458B2Nov 16, 2021
Multi-fiber connector fiber-optic measurement device and method
YOKOGAWA ELECTRIC CORP2 citations69
US7075644B2Jul 11, 2006
Depolarizer and spectroscope and polychromater
YOKOGAWA ELECTRIC CORP4 citations62
US9146161B2Sep 29, 2015
Optical wavelength meter
YOKOGAWA ELECTRIC CORP0 citations51
US7705984B2Apr 27, 2010
Spectroscope having spectroscopic paths with individual collimators
YOKOGAWA ELECTRIC CORP1 citations51
US11108461B2Aug 31, 2021
Testing method, light receiving device, and testing system
YOKOGAWA ELECTRIC CORP0 citations47
ANDO ELECTRIC
3 patentsUS6744506B2Jun 1, 2004
Depolarizing plate and an optical apparatus using the same
ANDO ELECTRIC16 citations83
US6879396B2Apr 12, 2005
Monochromator and optical spectrum analyzer using the same
ANDO ELECTRIC2 citations62
US6654167B2Nov 25, 2003
Polarization scrambler and monochromator
ANDO ELECTRIC2 citations60