Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 257/E33.042
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Light emitting semiconductor devices having a potential or a surface barrier, processes or apparatus peculiar to the manufacture or treatment of such devices, or of parts thereof > Device characterized by semiconductor body (epo) > Material of active region (epo) > Comprising compound other than group ii-vi, iii-v, and iv compound (epo) > Comprising only group iv-vi or ii-iv-vi compound (epo)
Description: This subclass is indented under subclass E33.037. This subclass is substantially the same in scope as ECLA classification H01L33/00C4F6.










Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Oral care implement accessory
Display system, display control method and computer program
Method, system and program for securing redundancy in parallel computing system
Methods and apparatus for low power out-of-band communications
Illumination unit for a direct-view display
Mass spectrometry device and method using ion-molecule reaction ionization
Implantable defibrillator systems and methods with mitigations for saturation avoidance and accommodation
  Randomly Featured Patents
Pager carrying case
Agricultural implement with orbiting knives
Device and process for the pneumatic splicing of threads or yarns containing an elastomer or with a high torque
Choosing connectable end points for network test
Bidirectional tear strip means for cartons and the like
Treatments for a patient with congestive heart failure
Automatic concealment of product serialization information
Neo-tryptophan
Wheel-mounted vehicle wheel aligner
Locking device with a cylinder lock and a flat key