Hisato Uetsuka

City:

Tokyo

Country:

Japan

Published Applications:

Last publication date:

2011-07-28

Top Assignees for applications by Hisato Uetsuka

The entities that hold a legal rights for patent applications filed by inventor Uetsuka Hisato:

Hisato Uetsuka from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:

Wavelength domain optical switch

Diffraction grating and dispersion compensation circuit

Waveguide type variable optical attenuator

Waveguide-type optical multiplexer/demultiplexer

InventorID:

3554920 ⎘