Inventor
TAKAHASHI KOHSEI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI KOHSEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
19 patentsUS4750183AJun 7, 1988
Semiconductor laser device
SHARP KK41 citations92
US4745612AMay 17, 1988
Separate confinement heterostructure semiconductor laser device
SHARP KK41 citations92
US9711686B2Jul 18, 2017
Lighting device with plural fluorescent materials
SHARP KK8 citations84
US7611642B2Nov 3, 2009
Oxynitride phosphor and light emitting device
SHARP KK15 citations84
US7494606B2Feb 24, 2009
Oxynitride phosphor and semiconductor light-emitting device
SHARP KK11 citations84
US4860297AAug 22, 1989
Quantum well semiconductor laser device
SHARP KK13 citations74
US4841533AJun 20, 1989
Semiconductor laser device having a graded index waveguide
SHARP KK9 citations74
US4835783AMay 30, 1989
Semiconductor laser
SHARP KK16 citations74
US4824518AApr 25, 1989
Method for the production of semiconductor devices
SHARP KK8 citations74
US4787089ANov 22, 1988
Quantum well semiconductor laser device
SHARP KK13 citations74
US4693207ASep 15, 1987
Apparatus for the growth of semiconductor crystals
SHARP KK7 citations74
US4899349AFeb 6, 1990
Semiconductor laser device
SHARP KK5 citations63
US4806994AFeb 21, 1989
Semiconductor device
SHARP KK3 citations63
US4807235AFeb 21, 1989
Semiconductor laser device
SHARP KK6 citations63
US4769822ASep 6, 1988
Semiconductor laser device
SHARP KK3 citations63
US4761790AAug 2, 1988
Optical semiconductor device
SHARP KK6 citations63
US4737959AApr 12, 1988
Semiconductor laser array device
SHARP KK3 citations63
US4720833AJan 19, 1988
Semiconductor laser apparatus
SHARP KK3 citations63
US9631140B2Apr 25, 2017
Light-emitting device
SHARP KK1 citations52
YOSHIMURA KENICHI
5 patentsUS9570655B2Feb 14, 2017
Semiconductor light-emitting device
YOSHIMURA KENICHI8 citations83
US9322529B2Apr 26, 2016
Light emitting device
YOSHIMURA KENICHI1 citations51
US8901591B2Dec 2, 2014
Light-emitting device
YOSHIMURA KENICHI1 citations51
US8674392B2Mar 18, 2014
Light-emitting device
YOSHIMURA KENICHI1 citations51
US8928005B2Jan 6, 2015
Light-emitting device
YOSHIMURA KENICHI0 citations41