Inventor
HATTA TATSUO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “HATTA TATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
15 patentsUS6010251AJan 4, 2000
Laser diode modules converging parts, and optical coupling methods
MITSUBISHI ELECTRIC CORP39 citations89
US7010179B2Mar 7, 2006
Differential drive semiconductor optical modulator
MITSUBISHI ELECTRIC CORP12 citations84
US6519381B2Feb 11, 2003
Optical switch and method of producing the same
MITSUBISHI ELECTRIC CORP12 citations73
US6507683B2Jan 14, 2003
Free-space optical switch
MITSUBISHI ELECTRIC CORP7 citations73
US10958035B2Mar 23, 2021
Wavelength-multiplexed light transmission module and method for manufacturing same
MITSUBISHI ELECTRIC CORP2 citations72
US9563065B2Feb 7, 2017
Optical module and method of manufacturing the same
MITSUBISHI ELECTRIC CORP2 citations71
US7082233B2Jul 25, 2006
Optical switch and method of manufacturing the same
MITSUBISHI ELECTRIC CORP2 citations63
US7936495B2May 3, 2011
Optical modulation device
MITSUBISHI ELECTRIC CORP2 citations62
US6873754B2Mar 29, 2005
Optical switch and method of manufacturing the same
MITSUBISHI ELECTRIC CORP3 citations62
US6865197B2Mar 8, 2005
Laser diode module
MITSUBISHI ELECTRIC CORP5 citations62
US6563983B2May 13, 2003
Laser diode module
MITSUBISHI ELECTRIC CORP2 citations62
US6556597B2Apr 29, 2003
Laser diode module
MITSUBISHI ELECTRIC CORP2 citations62
US9172335B2Oct 27, 2015
Optical receiver module
MITSUBISHI ELECTRIC CORP3 citations60
US6819688B2Nov 16, 2004
Semiconductor laser device and optical fiber amplifier
MITSUBISHI ELECTRIC CORP3 citations60
US9335495B2May 10, 2016
Optical module
MITSUBISHI ELECTRIC CORP0 citations37