| 2024/0212,964 | MONOLITHIC HEATER FOR THERMIONIC ELECTRON CATHODE | Mar 05, 24 | Jun 27, 24 | Not available |
| 2024/0055,213 | MONOLITHIC HEATER FOR THERMIONIC ELECTRON CATHODE | Jan 12, 23 | Feb 15, 24 | Not available |
| 2024/0029,989 | ELECTRON SOURCE, METHOD FOR MANUFACTURING SAME, AND DEVICE PROVIDED WITH ELECTRON SOURCE | Dec 20, 21 | Jan 25, 24 | Denka Company Limited |
| 2019/0244,781 | PRODUCTION METHOD OF NEGATIVE ELECTRODE, NEGATIVE ELECTRODE, AND X-RAY TUBE DEVICE | Feb 08, 18 | Aug 08, 19 | Not available |
| 2016/0372,295 | EMITTER | Jun 20, 16 | Dec 22, 16 | SIEMENS HEALTHCARE GMBH |
| 2014/0079,187 | EMISSION SURFACE FOR AN X-RAY DEVICE | Sep 14, 12 | Mar 20, 14 | GENERAL ELECTRIC COMPANY |
| 2012/0212,157 | RESISTIVELY HEATED SMALL PLANAR FILAMENT | Aug 15, 11 | Aug 23, 12 | MOXTEK, INC. |
| 2011/0031,867 | HIGH FREQUENCY TRIODE-TYPE FIELD EMISSION DEVICE AND PROCESS FOR MANUFACTURING THE SAME | Dec 28, 07 | Feb 10, 11 | SELEX SISTEMI INTEGRATI S.P.A. |
| 2010/0277,051 | Emission filaments made from a rhenium alloy and method of manufacturing thereof | Mar 24, 10 | Nov 04, 10 | Scientific Instrument Services, Inc. |
| 2010/0244,660 | HOT CATHODE FLUORESCENT LAMP AND ELECTRODE FOR FLUORESCENT LAMP | Mar 23, 10 | Sep 30, 10 | STANLEY ELECTRIC CO., LTD. |
| 2010/0237,762 | ELECTRON SOURCE AND ELECTRON BEAM APPARATUS | Oct 03, 08 | Sep 23, 10 | DENKI KAGAKU KOGYO KABUSHIKI KAISHA |
| 2010/0195,798 | Cathode Structures for X-Ray Tubes | Apr 13, 10 | Aug 05, 10 | VAREX IMAGING CORPORATION |
| 2010/0119,825 | CRYSTALLINE NANOSTRUCTURES | Oct 30, 07 | May 13, 10 | NUtech Ventures, Inc. |
| 2010/0090,581 | ELECTRON SOURCE | May 13, 08 | Apr 15, 10 | DENKI KAGAKU KOGYO KABUSHIKI KAISHA |
| 2009/0160,307 | DIAMOND ELECTRON SOURCE AND METHOD FOR MANUFACTURING THE SAME | Sep 18, 07 | Jun 25, 09 | SUMITOMO ELECTRIC INDUSTRIES, LTD. |
| 2008/0203,885 | THERMAL-ELECTRON SOURCE | Sep 06, 07 | Aug 28, 08 | KABUSHIKI KAISHA TOSHIBA |
| 2008/0079,348 | Field Emission Type Planar Lamp And Method For The Same | Oct 03, 06 | Apr 03, 08 | TECO ELECTRIC & MACHINERY CO., LTD. |
| 2007/0145,878 | Field emission illumination device | Aug 25, 06 | Jun 28, 07 | HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY, |
| 2007/0114,931 | Flat panel display device | Nov 21, 06 | May 24, 07 | SAMSUNG SDI CO., LTD. |
| 2007/0075,619 | Field emission device and method for making the same | May 15, 06 | Apr 05, 07 | BEIJING FUNATE INNOVATION TECHNOLOGY CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD., |