Randy J. Ramberg
11Patents
5h-index
13Co-inventors
63Inventor score
Filing activity: Dec 28, 1992 → Oct 27, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5847865A | Waveguide optical amplifier | Electricity | 73 | Expired |
| US5303319A | Ion-beam deposited multilayer waveguides and resonators | Physics | 73 | Expired |
| US6593150B2 | Methods and apparatus for depositing magnetic films | Electricity | 27 | Expired |
| US6500676B1 | Methods and apparatus for depositing magnetic films | Electricity | 11 | Expired |
| US5646780A | Overcoat method and apparatus for ZRO.sub.2 mirror stacks | Physics | 10 | Expired |
| US6271626A | Electroluminescent material comprising a doped conducting oxide | Electricity | 5 | Expired |
| US5518548A | Deposition barrier | Chemistry; Metallurgy | 3 | Expired |
| US7760432B2 | Photochromic resistant materials for optical devices in plasma environments | Physics | 3 | Expired |
| US6500498B1 | Method for fabricating a magneto-optic modulator | Electricity | 2 | Expired |
| US11385057B2 | Extra thick ultraviolet durability coating | Physics | 0 | Active |
| US11962118B2 | Ultraviolet filter for ring laser gyroscope mirrors | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.