Inventor
SHIOZAWA TAKAHIRO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “SHIOZAWA TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
7 patentsUS5471332ANov 28, 1995
Hitless switching apparatus and method for optical network
NEC CORP59 citations95
US5392303AFeb 21, 1995
Frequency stabilization method of semiconductor laser, frequency-stabilized light source and laser module
NEC CORP47 citations92
US5357097AOct 18, 1994
Method and apparatus for controlling acousto-optic filter
NEC CORP25 citations91
US6859579B2Feb 22, 2005
Optical switcher used for broadcast station
NEC CORP9 citations73
US6046525AApr 4, 2000
Piezo-electric actuator control method and device and variable wavelength filter using the piezo-electric actuator device
NEC CORP12 citations72
US5394418AFeb 28, 1995
Wavelength switching light source
NEC CORP5 citations61
US7269225B2Sep 11, 2007
Serial digital signal transmission apparatus
NEC CORP4 citations57
TOKYO ELECTRON LTD
5 patentsUS10656526B2May 19, 2020
Substrate treatment method and thermal treatment apparatus
TOKYO ELECTRON LTD2 citations71
US11594424B2Feb 28, 2023
Substrate processing method and substrate processing apparatus
TOKYO ELECTRON LTD0 citations62
US9558960B2Jan 31, 2017
Substrate processing method, non-transitory storage medium and heating apparatus
TOKYO ELECTRON LTD1 citations51
US9552987B2Jan 24, 2017
Substrate processing method, substrate processing apparatus, and storage medium
TOKYO ELECTRON LTD0 citations50
US11848189B2Dec 19, 2023
Substrate processing method, recording medium and substrate processing apparatus
TOKYO ELECTRON LTD0 citations46