A. Gary Sigai
23Patents
13h-index
14Co-inventors
74Inventor score
Filing activity: Dec 24, 1981 → Jul 20, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4585673A | Method for coating phosphor particles | Electricity | 72 | Expired |
| US4710674A | Phosphor particle, fluorescent lamp, and manufacturing method | Chemistry; Metallurgy | 46 | Expired |
| US4825124A | Phosphor particle, fluorescent lamp, and manufacturing method | Chemistry; Metallurgy | 33 | Expired |
| US4956202A | Firing and milling method for producing a manganese activated zinc silicate phosphor | Chemistry; Metallurgy | 27 | Expired |
| US5051277A | Method of forming a protective bi-layer coating on phosphore particles | Electricity | 26 | Expired |
| US4797594A | Reprographic aperture lamps having improved maintenance | Electricity | 24 | Expired |
| US4925703A | Firing and milling method for producing a manganese activated zinc silicate phosphor | Chemistry; Metallurgy | 18 | Expired |
| US5087523A | Phosphors with improved lumen output and lamps made therefrom | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4874984A | Fluorescent lamp based on a phosphor excited by a molecular discharge | Electricity | 15 | Expired |
| US4670688A | Fluorescent lamp with improved lumen output | Electricity | 15 | Expired |
| US4937503A | Fluorescent light source based on a phosphor excited by a molecular discharge | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5309069A | Phosphors with improved lumen output and lamps made therefrom | Electricity | 13 | Expired |
| US5196234A | Method for preparing zinc orthosilicate phosphor particle | Electricity | 13 | Expired |
| US5151215A | Pre-water-based suspension alumina coated phosphor treatment process | Chemistry; Metallurgy | 9 | Expired |
| US5223341A | Phosphor containing barium and lead | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4950948A | Manganese activated zinc silicate phosphor | Electricity | 8 | Expired |
| US5113118A | Phosphors with improved lumen output and lamps made therefrom | Electricity | 6 | Expired |
| US4979830A | Method for fluidized bed circulation control | Performing Operations; Transporting | 4 | Expired |
| US4818433A | Process for producing lanthanum cerium aluminate phosphors | Chemistry; Metallurgy | 4 | Expired |
| US5039449A | Method for improving a manganese activated zinc silicate phosphor | Chemistry; Metallurgy | 4 | Expired |
| US4748391A | Yellow green barium lanthanum silicate oxyapatite phosphor, a fluorescent lamp containing the same, and a method thereof | Chemistry; Metallurgy | 4 | Expired |
| US5169557A | Process for production of lanthanum cerium aluminate phosphors | Chemistry; Metallurgy | 2 | Expired |
| US4778581A | Method of making fluorescent lamp with improved lumen output | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.