Marc David Levenson
19Patents
9h-index
19Co-inventors
69Inventor score
Filing activity: Oct 19, 1977 → Feb 10, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4193690A | Heterodyne detection of coherent Raman signals | Physics | 124 | Expired |
| US6251549A | Generic phase shift mask | Physics | 63 | Expired |
| US6496634B1 | Holey fibers filled with raman active fluid | Electricity | 32 | Expired |
| US6611546B1 | Optical transmitter comprising a stepwise tunable laser | Electricity | 32 | Expired |
| US4523847A | Frequency modulation-polarization spectroscopy method and device for detecting spectral features | Physics | 26 | Expired |
| US6094267A | Optical heterodyne detection for cavity ring-down spectroscopy | Physics | 25 | Expired |
| US6711203B1 | Optical transmitter comprising a stepwise tunable laser | Electricity | 22 | Expired |
| US6661957B1 | Diffusion barriers for holey fibers | Electricity | 19 | Expired |
| US5512394A | Method of coil fabrication for thin-film magnetic recording heads using phase-shifting masks | Electricity | 15 | Expired |
| US5644422A | Techniques of radiation phase matching within optical crystals | Physics | 9 | Expired |
| US5414580A | Magnetic storage system using thin film magnetic recording heads using phase-shifting mask | Electricity | 7 | Expired |
| US6479196B2 | Generic phase shift masks | Physics | 7 | Expired |
| US5161133A | Magneto-optical storage system | Physics | 7 | Expired |
| US6287732A | Generic phase shift masks | Physics | 3 | Expired |
| US6845203B1 | Detection of adsorbates on interior surfaces of holey fibers | Electricity | 3 | Expired |
| US6741381B1 | Modified tunable acousto-optic filter | Physics | 3 | Expired |
| US6811933B2 | Vortex phase shift mask for optical lithography | Physics | 3 | Expired |
| US6977135B2 | Photosensitive material for immersion photolithography | Chemistry; Metallurgy | 1 | Expired |
| US6924081B1 | Photosensitive material for immersion photolithography | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.