Risa Ishii

City:

Hitachi

Country:

Japan

Published Applications:

Last publication date:

2021-04-22

Top Assignees for applications by Risa Ishii

The entities that hold a legal rights for patent applications filed by inventor Ishii Risa:

Risa Ishii from Hitachi, JP has applied for patents for these inventions. The list has both pending applications and granted patents:

Extract recovery method and analysis method using polymer beads in a trap when using supercritical extraction

Column packing material for supercritical fluid chromatography, column for supercritical fluid chromatography and preparation method therefor

InventorID:

6568358 ⎘