Inventor
YAMASAKI SHIRO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “YAMASAKI SHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYODA GOSEI KK
16 patentsUS6040588AMar 21, 2000
Semiconductor light-emitting device
TOYODA GOSEI KK112 citations99
US6420733B2Jul 16, 2002
Semiconductor light-emitting device and manufacturing method thereof
TOYODA GOSEI KK80 citations98
US6541293B2Apr 1, 2003
Semiconductor light-emitting device and manufacturing method thereof
TOYODA GOSEI KK63 citations96
US6326236B1Dec 4, 2001
Semiconductor light-emitting device and manufacturing method thereof
TOYODA GOSEI KK78 citations96
US6821800B2Nov 23, 2004
Semiconductor light-emitting device and manufacturing method thereof
TOYODA GOSEI KK29 citations92
US6552376B1Apr 22, 2003
Group III nitride compound semiconductor device
TOYODA GOSEI KK18 citations92
US6541798B2Apr 1, 2003
Group III nitride compound semiconductor device and group III nitride compound semiconductor light-emitting device
TOYODA GOSEI KK18 citations92
US5953581ASep 14, 1999
Methods for manufacturing group III nitride compound semiconductor laser diodes
TOYODA GOSEI KK24 citations92
US5889806AMar 30, 1999
Group III nitride compound semiconductor laser diodes
TOYODA GOSEI KK39 citations92
US5811319ASep 22, 1998
Methods of forming electrodes on gallium nitride group compound semiconductors
TOYODA GOSEI KK26 citations92
US6680957B1Jan 20, 2004
Group III nitride compound semiconductor laser
TOYODA GOSEI KK12 citations74
US6617061B2Sep 9, 2003
Group III nitride compound semiconductor device and group III nitride compound semiconductor light-emitting device
TOYODA GOSEI KK12 citations74
US6486068B2Nov 26, 2002
Method for manufacturing group III nitride compound semiconductor laser diodes
TOYODA GOSEI KK10 citations74
US6962828B1Nov 8, 2005
Methods for manufacturing a light-emitting device
TOYODA GOSEI KK2 citations63
US6639258B2Oct 28, 2003
Group III nitride compound semiconductor device
TOYODA GOSEI KK2 citations63
US6188087B1Feb 13, 2001
Semiconductor light-emitting device
TOYODA GOSEI KK0 citations52
IWAI MAKOTO
3 patentsUS9017479B2Apr 28, 2015
Nitride single crystal manufacturing apparatus
IWAI MAKOTO3 citations62
US8657955B2Feb 25, 2014
Melt composition for gallium nitride single crystal growth and method for growing gallium nitride single crystal
IWAI MAKOTO0 citations51
US8231729B2Jul 31, 2012
Apparatus for producing nitride single crystal
IWAI MAKOTO0 citations51