Patents-Review.com
ClassID:

216058 ⎘

H01S5/2227 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure comprising special burying or current confinement layers having special electric properties special thin layer sequence

Sub-classes:
Recent Application in this class:
#1
20220368110
2022-11-17

Semiconductor layer stack and method for producing same

 #2
20210119419
2021-04-22

Semiconductor layer stack and method for producing same

 #3
20210044083
2021-02-11

Buried-type semiconductor optical device

 #4
20200112142
2020-04-09

Semiconductor laser diode and method for manufacturing a semiconductor laser diode

 #5
20190005858
2019-01-03

Semiconductor light-emitting device, display unit, and electronic apparatus

 #6
20170373473
2017-12-28

Quantum cascade laser with current blocking layers

 #7
20140302628
2014-10-09

Optical semiconductor device and method of manufacturing optical semiconductor device

 #8
20130200492
2013-08-08

Opto-electronic device

 #9
20120009711
2012-01-12

SEMICONDUCTOR LIGHT EMITTING DEVICE, METHOD FOR MANUFACTURING SAME, AND METHOD FOR FORMING UNDERLYING LAYER

 #10
20110261855
2011-10-27

Optical semiconductor device and method of manufacturing optical semiconductor device

 #11
20110128985
2011-06-02

Semiconductor laser

 #12
20110090928
2011-04-21

Laser diode

 #13
20100232468
2010-09-16

Semiconductor laser device

 #14
20100178756
2010-07-15

Nitride semiconductor device and method for manufacturing the same

 #15
20090075150
2009-03-19

Material for solid polyelectrolyte suitable for use in fuel cell

 #16
20090072253
2009-03-19

Semiconductor light emitting device, method for manufacturing same, and method for forming underlying layer

 #17
20080290358
2008-11-27

Semiconductor light-emitting device and a method to produce the same

 #18
20080049805
2008-02-28

Buried type semiconductor laser

 #19
20070195843
2007-08-23

Nitride semiconductor laser device and method for fabricating the same

 #20
20070170441
2007-07-26

Nitride semiconductor device and method for manufacturing the same

 #21
20070098031
2007-05-03

Self-mode-locked semiconductor laser

 #22
20070091957
2007-04-26

Semiconductor laser device and method for manufacturing the same semiconductor laser device

 #23
20060231850
2006-10-19

Semiconductor laser diode having ridge portion and method of manufacturing the same

 #24
20050151144
2005-07-14

Oxygen-doped Al-containing current blocking layers in active semiconductor devices in photonic integrated circuits (PICs)

 #25
20050145863
2005-07-07

Oxygen-doped Al-containing current blocking layers in active semiconductor devices in photonic integrated circuits (PICs)

 #26
20050040415
2005-02-24

Oxygen-doped Al-containing current blocking layers in active semiconductor devices in photonic integrated circuits (PICs)