SUMITOMO ASAKA CEMENT CO., LTD.
SUMITOMO ASAKA CEMENT CO., LTD. Patent applications | ||
Patent application number | Title | Published |
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20110255147 | OPTICAL MODULATOR - The present invention realizes an enhancement of a fabrication yield and a reduction of a size regarding an optical modulator or an optical device including polarization beam combining means. An optical modulator of the present invention (1) includes: first and second optical modulators (LN optical modulators ( | 10-20-2011 |