Hisanao Sato
9Patents
7h-index
13Co-inventors
60Inventor score
Filing activity: Jul 28, 1976 → Oct 25, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4099091A | Electroluminescent panel including an electrically conductive layer between two electroluminescent layers | Electricity | 20 | Expired |
| US4677630A | Oscillation frequency stabilized semiconductor laser | Electricity | 15 | Expired |
| US5836073A | Method of making optical wavelength converting device | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5341237A | Rare earth ion doped optical element | Electricity | 10 | Expired |
| US5506722A | Optical wavelength converting device for converting fundamental waves into harmonic waves and shorter wavelength coherent light generating apparatus with the device | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5321708A | Optical fiber amplifier doped with dysprosium ion for the 1.3 .mu.m wavelength band | Electricity | 9 | Expired |
| US5426656A | Laser element doped with rare earth ions, optical amplifier element doped with rare earth ions and rare-earth-ion-doped short-wavelength laser light source apparatus | Electricity | 9 | Expired |
| US5453867A | Analog optical transmission system | Electricity | 7 | Expired |
| US5357533A | Frequency doubler and laser source | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.