David K. Smith
47Patents
13h-index
43Co-inventors
81Inventor score
Filing activity: Jul 18, 1980 → Aug 31, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6282354A | Low attenuation optical waveguide | Physics | 226 | Expired |
| US5361319A | Dispersion compensating devices and systems | Chemistry; Metallurgy | 197 | Expired |
| US5748824A | Positive dispersion optical waveguide | Physics | 52 | Expired |
| US5483612A | Increased capacity optical waveguide | Physics | 47 | Expired |
| US5553185A | Controlled dispersion optical waveguide | Physics | 45 | Expired |
| US6317551A | Optical waveguide having negative dispersion and large Aeff | Physics | 36 | Expired |
| US5278931A | Low bend loss singlemode optical waveguide fiber | Physics | 34 | Expired |
| US6109186A | Interactive slot car systems | Human Necessities | 27 | Expired |
| US6490396B1 | Optical waveguide fiber | Physics | 26 | Expired |
| US9922756B1 | Electrical cables with non-metallic jackets and methods of fabricating the same | Electricity | 24 | Active |
| US5970882A | Interactive slot car systems | Human Necessities | 15 | Expired |
| US6134367A | Low attenuation optical waveguide | Physics | 14 | Expired |
| US6031956A | High performance single mode waveguide | Physics | 13 | Expired |
| US6212322A | Positive dispersion low dispersion slope fiber | Physics | 11 | Expired |
| US6484420B1 | Footwear with integrated stitchdown/athletic bottom construction | Human Necessities | 11 | Expired |
| US8959331B2 | Systems for provisioning universal integrated circuit cards | Electricity | 7 | Active |
| US6757990B2 | Footwear with integrated stitchdown/athletic bottom construction | Human Necessities | 6 | Expired |
| US9838258B2 | Network service interface for machine-to-machine applications | Electricity | 5 | Active |
| US6424777B1 | Positive dispersion low dispersion slope fiber | Physics | 5 | Expired |
| US10588376B1 | Sandal strap reinforcement | Human Necessities | 5 | Active |
| US4361080A | Floor for lautering vessels | Chemistry; Metallurgy | 4 | Expired |
| US6324327A | Low dispersion slope negative dispersion optical fiber | Physics | 3 | Expired |
| US6404965B2 | Low attenuation optical waveguide | Physics | 3 | Expired |
| US6941682B2 | Footwear with integrated stitchdown/athletic bottom construction | Human Necessities | 3 | Expired |
| US4327631A | Lautering apparatus | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.