U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 257/E31.003 - Characterized by semiconductor body material (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E31.002. This subclass
No. of patents: 8
Last issue date: 09/30/2008


NumberTitleIssue Date
7429764Signal processing device and image pickup apparatus using the same
A signal processing device is provided which is capable of suppressing a voltage change of a power supply when output signals from a plurality of signal sources are read, and capable of outputting a stable signal at a high sensitivity, and an image pickup apparatus ...
09/30/2008
7385267Nanosensors
Electrical devices comprised of nanowires are described, along with methods of their manufacture and use. The nanowires can be nanotubes and nanowires. The surface of the nanowires may be selectively functionalized. Nanodetector devices are described. ...
06/10/2008
7364938Method for production of a semiconductor device with auto-aligned metallisations
This invention relates to a process for making a semiconductor device comprising the following steps: a doped region with a first type of conductivity is made on a first principal face of a semiconductor substrate and at least one ...
04/29/2008
7256466Nanosensors
Electrical devices comprised of nanowires are described, along with methods of their manufacture and use. The nanowires can be nanotubes and nanowires. The surface of the nanowires may be selectively functionalized. Nanodetector devices are described. ...
08/14/2007
7199412Image sensor with surface regions of different doping
A production method for an image sensor which is provided with a plurality of sensor portions arranged on a semiconductor substrate and each having a first photodiode constituted by a first region of a first conductivity type and a second region of a second conducti...
04/03/2007
7026041Organic photosensitive optoelectronic device with an exciton blocking layer
Organic photosensitive optoelectronic devices (“OPODs”) are disclosed which include an exciton blocking layer to enhance device efficiency. Single heterostructure, stacked and wave-guide type embodiments are disclosed. Photodetector OPODs having multilayer struc...
04/11/2006
6657378Organic photovoltaic devices
The present invention generally relates to organic photosensitive optoelectronic devices. More specifically, it is directed to organic photovoltaic devices, e.g., organic solar cells. Further, it is directed to an optimized organic solar cell comprising m...
12/02/2003
6160257Hybridized biological microbolometer
A Microbolometer constructed of Biological and Non-Biological components, ing proteins with greater sensitivity to imaging, as the infrared radiation detectors....
12/12/2000
 
Sign InRegister
Username  
Password   
forgot password?