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Patent applications and USPTO patent grants for Kintaka; Kenji.The latest application filed is for "wavelength domain optical switch".
Patent | Date |
---|---|
Wavelength domain optical switch Grant 8,503,836 - Ishikawa , et al. August 6, 2 | 2013-08-06 |
Optical waveguide-type wavelength domain switch Grant 8,229,258 - Ishikawa , et al. July 24, 2 | 2012-07-24 |
Wavelength Domain Optical Switch App 20110182545 - Ishikawa; Hiroshi ;   et al. | 2011-07-28 |
Optical waveguide-type wavelength domain switch App 20100067900 - Ishikawa; Hiroshi ;   et al. | 2010-03-18 |
Method of manufacturing a diffraction grating Grant 6,514,576 - Kintaka , et al. February 4, 2 | 2003-02-04 |
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