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Botez
Dan Botez, Madison, WI US
| Patent application number | Description | Published |
|---|---|---|
| 20090022196 | HIGH EFFICIENCY INTERSUBBAND SEMICONDUCTOR LASERS - An intersubband quantum cascade laser structure includes multiple coupled laser stages, wherein each stage has a multilayer structure including an electron injector, an active region with at least one quantum well, and an electron reflector. Electrons injected from the injector into the active region at a high energy level relax to a lower energy level with the emission of a photon at, for example, mid-infrared wavelengths. The reflector reflects electrons at the higher energy level at which they were injected and transmits electrons from the lower energy level after emission of a photon. Multiple layers of semiconductor are formed on each side of the multistage structure to provide conduction across the device and to provide optical confinement of the photons emitted. | 01-22-2009 |
Iuliana Botez, Houilles FR
| Patent application number | Description | Published |
|---|---|---|
| 20110021569 | Piperidine compounds, a process for their preparation and pharmaceutical compositions containing them - Compounds of formula (I): | 01-27-2011 |
Timon Botez, London GB
| Patent application number | Description | Published |
|---|---|---|
| 20080297470 | ELECTRONIC DOCUMENT READERS AND READING DEVICES - This invention generally relates to an electronic document readers and reading devices, that is to a device that presents a document to a user on a display to enable the user to read the document. An electronic document reading device configured for one hand operation, the device including: a housing; an electroactive display mounted in said housing; control electronics coupled to said display; at least one user control coupled to said control electronics for operating said device; and a rechargeable power source configured to power said control electronics and said display; and wherein said housing has a width to fit at least on the palm of an adult human hand, said width being less than approximately 120 mm, and wherein said housing has a length of at least twice said width, and wherein said control electronics and said rechargeable power source are disposed within said housing so as to provide a centre of mass of said device which, when a lower part of said device is held in a said palm, is located at a distance of no greater than 50% of said length from a lower end of said device. | 12-04-2008 |