Keisuke Sakurai

City:

Joetsu

Country:

Japan

Published Applications:

Last publication date:

2021-04-01

Top Assignees for applications by Keisuke Sakurai

The entities that hold a legal rights for patent applications filed by inventor Sakurai Keisuke:

Keisuke Sakurai from Joetsu, JP has applied for patents for these inventions. The list has both pending applications and granted patents:

Halftone phase shift-type photomask blank, method of manufacturing thereof, and halftone phase shift-type photomask

InventorID:

6561326 ⎘