Inventor
KOYAMA TOMOKO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “KOYAMA TOMOKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
27 patentsUS6704335B1Mar 9, 2004
Light-emitting device
SEIKO EPSON CORP73 citations98
US6791261B1Sep 14, 2004
Multiple wavelength light emitting device, electronic apparatus, and interference mirror
SEIKO EPSON CORP56 citations96
US6639250B1Oct 28, 2003
Multiple-wavelength light emitting device and electronic apparatus
SEIKO EPSON CORP137 citations95
US7198411B2Apr 3, 2007
Manufacturing method of optical communication module, optical communication module, and electronic apparatus
SEIKO EPSON CORP32 citations92
US6587620B2Jul 1, 2003
Surface emitting device
SEIKO EPSON CORP26 citations92
US6512250B1Jan 28, 2003
Light-emitting device
SEIKO EPSON CORP26 citations92
US6147726ANov 14, 2000
Reflective display using multiple liquid crystal layers for controlable reflection
SEIKO EPSON CORP50 citations92
US7566909B2Jul 28, 2009
Surface emitting type device having a resistance to damage by static electricity
SEIKO EPSON CORP8 citations84
US6912334B2Jun 28, 2005
Optical switch
SEIKO EPSON CORP12 citations84
US6727646B1Apr 27, 2004
Light-emitting device
SEIKO EPSON CORP16 citations84
US7138764B2Nov 21, 2006
Light-emitting device and electronic instrument
SEIKO EPSON CORP17 citations82
US7701302B2Apr 20, 2010
Atomic frequency acquiring apparatus and atomic clock
SEIKO EPSON CORP7 citations74
US7446618B2Nov 4, 2008
Atomic frequency acquiring apparatus and atomic clock
SEIKO EPSON CORP7 citations74
US7385225B2Jun 10, 2008
Surface emitting type device, and method for manufacturing the same
SEIKO EPSON CORP7 citations74
US7197203B2Mar 27, 2007
Optical element, optical module, and optical transmission device
SEIKO EPSON CORP8 citations74
US6917744B2Jul 12, 2005
Optical multiplexing and demultiplexing device, optical communication apparatus, and optical communication system
SEIKO EPSON CORP9 citations74
US6512249B2Jan 28, 2003
Light emitting device, display device, and electronic appliance
SEIKO EPSON CORP8 citations74
US6462356B1Oct 8, 2002
Light emitting device
SEIKO EPSON CORP12 citations74
US7129469B2Oct 31, 2006
Photodetectors, optical modules, and optical transmission devices
SEIKO EPSON CORP7 citations73
US6870182B2Mar 22, 2005
Organic semiconductor device
SEIKO EPSON CORP6 citations72
US6795463B2Sep 21, 2004
Light -emitting device
SEIKO EPSON CORP3 citations63
US6737802B2May 18, 2004
Light-emitting device
SEIKO EPSON CORP5 citations63
US6734621B2May 11, 2004
Light emitting device having magnetized cathode and anode
SEIKO EPSON CORP4 citations63
US7582233B2Sep 1, 2009
Method of manufacturing directional coupler
SEIKO EPSON CORP2 citations61
US7940133B2May 10, 2011
Atomic frequency acquiring apparatus and atomic clock
SEIKO EPSON CORP0 citations52
US6791115B2Sep 14, 2004
Light emitting device, display device and electronic instrument
SEIKO EPSON CORP1 citations52
US7453914B2Nov 18, 2008
Optical element
SEIKO EPSON CORP0 citations42
SHIMODA TATSUYA
3 patentsUSRE43759EOct 23, 2012
Multiple wavelength light emitting device, electronic apparatus, and interference mirror
SHIMODA TATSUYA5 citations73
USRE45442EMar 31, 2015
Multiple wavelength light emitting device, electronic apparatus, and interference mirror
SHIMODA TATSUYA1 citations62
USRE44164EApr 23, 2013
Multiple wavelength light emitting device, electronic apparatus, and interference mirror
SHIMODA TATSUYA1 citations62