GEO-CENTERS, INC.
47Patents
0Active
47Granted
39Portfolio score
Filing activity: Sep 27, 1982 → Jun 16, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5324591A | Deep ultraviolet photolithographically defined ultra-thin films for selective cell adhesion and outgrowth and method of manufacturing the same and devices containing the same | Emerging Cross-Sectional Technologies | 119 | Expired |
| US5308771A | Chemical sensors | Emerging Cross-Sectional Technologies | 109 | Expired |
| US5828432A | Conducting substrate, liquid crystal device made therefrom and liquid crystalline composition in contact therewith | Physics | 103 | Expired |
| US5629626A | Apparatus and method for measuring buried ferromagnetic objects with a high accuracy of position and in synchronization with a sync pulse provided by a global positioning system | Physics | 95 | Expired |
| US5384265A | Biomolecules bound to catalytic inorganic particles, immunoassays using the same | Emerging Cross-Sectional Technologies | 92 | Expired |
| US5510628A | Deep ultraviolet photolithographically defined ultra-thin films for selective cell adhesion and outgrowth and method of manufacturing the same and devices containing the same | Emerging Cross-Sectional Technologies | 90 | Expired |
| US5637508A | Biomolecules bound to polymer or copolymer coated catalytic inorganic particles, immunoassays using the same and kits containing the same | Emerging Cross-Sectional Technologies | 90 | Expired |
| US5342737A | High aspect ratio metal microstructures and method for preparing the same | Emerging Cross-Sectional Technologies | 77 | Expired |
| US5492696A | Controlled release microstructures | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5578351A | Liquid crystal composition and alignment layer | Emerging Cross-Sectional Technologies | 54 | Expired |
| US6593136B1 | Culturing cells in a chamber in a stack of chambers | Chemistry; Metallurgy | 53 | Expired |
| US5976284A | Patterned conducting polymer surfaces and process for preparing the same and devices containing the same | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4919522A | Optical switch having birefringent element | Physics | 42 | Expired |
| US4515473A | Photoelastic stress sensor signal processor | Physics | 40 | Expired |
| US4777358A | Optical differential strain gauge | Physics | 39 | Expired |
| US5305136A | Optically bidirectional fast optical switch having reduced light loss | Physics | 37 | Expired |
| US5391463A | Surface modification to create regions resistant to adsorption of biomolecules | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4564289A | Single mode optical fiber polarimetric stress sensor having optical common mode rejection | Physics | 30 | Expired |
| US4493297A | Plasma jet ignition device | Electricity | 29 | Expired |
| US6393899B1 | Apparatus and method for automated biomonitoring of water quality | Physics | 27 | Expired |
| US5696207A | Fluroropolymeric substrates with metallized surfaces and methods for producing the same | Electricity | 27 | Expired |
| US5293261A | Device for low electric-field induced switching of Langmuir-Blodgett ferroelecric liquid crystal polymer films | Physics | 25 | Expired |
| US5298964A | Optical stress sensing system with directional measurement capabilities | Physics | 24 | Expired |
| US5090824A | Fast optical switch having reduced light loss | Physics | 23 | Expired |
| US4498086A | Broad band liquid loaded dipole antenna | Electricity | 23 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.