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| Number | Title | Issue Date |
| 7859663 | Polychrometer and method for correcting stray lights of the same In a polychrometer and a method for correcting stray light of the polychrometer, relative spectral (inter-pixel) distribution of stray light independent of a spectral distribution of an incident light is obtained, intensity coefficient of the stray light is calculat... | 12/28/2010 |
| 7538870 | Multi-channel colorimeter and method for measuring spectral intensity characteristics A multi-channel colorimeter has a spectral means which separates light to be measured into components of different wavelengths, a photoelectric converter provided with multiple wavelength channels that receive the separated light to be measured according to the wave... | 05/26/2009 |
