Jacob M. Hammer
26Patents
11h-index
8Co-inventors
68Inventor score
Filing activity: Oct 28, 1975 → Nov 8, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5051790A | Optoelectronic interconnections for integrated circuits | Electricity | 51 | Expired |
| US4097118A | Optical waveguide coupler employing deformed shape fiber-optic core coupling portion | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4343890A | Method for making planar optical waveguide comprising thin metal oxide film incorporating a relief phase grating | Physics | 30 | Expired |
| US4773720A | Optical waveguide | Physics | 25 | Expired |
| US4227769A | Planar optical waveguide comprising thin metal oxide film incorporating a relief phase grating | Physics | 21 | Expired |
| US4097117A | Optical coupler having improved efficiency | Physics | 17 | Expired |
| US5019787A | Optical amplifier | Electricity | 15 | Expired |
| US4152045A | Optical waveguide with prism coupler for parallel light | Physics | 14 | Expired |
| US5598492A | Metal-ferromagnetic optical waveguide isolator | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4100313A | Process for forming an optical waveguide | Physics | 12 | Expired |
| US5303316A | Optical beam scanner | Electricity | 11 | Expired |
| US4018506A | Fiber-optic to planar-waveguide optical coupler | Physics | 11 | Expired |
| US7065265B2 | Ferromagnetic-semiconductor composite isolator and method | Physics | 10 | Expired |
| US4362367A | Miniaturized symmetrization optics for junction laser | Physics | 9 | Expired |
| US4176551A | Fiber-optic thermometer | Physics | 8 | Expired |
| US4076381A | On line electro-optic modulator | Physics | 6 | Expired |
| US4872176A | Device and method for monitoring a light-emitting device | Electricity | 6 | Expired |
| US6891983B2 | Wavelength filter and polarizer | Physics | 4 | Expired |
| US6636547B2 | Multiple grating-outcoupled surface-emitting lasers | Electricity | 3 | Expired |
| US4495704A | Microtranslator and microtranslator assembly | Physics | 3 | Expired |
| US4359373A | Method of formation of a blazed grating | Physics | 3 | Expired |
| US4176552A | Fiber-optic thermometer | Physics | 3 | Expired |
| US5070508A | Semiconductor laser with adjustable light beam | Electricity | 3 | Expired |
| US6963597B2 | Grating-outcoupled surface-emitting lasers | Electricity | 2 | Expired |
| US6760496B2 | Inline ferromagnetic-composite isolator and method | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.