Hiroki Ishida

City:

Chiba

Country:

Japan

Published Applications:

Last publication date:

2013-11-21

Top Assignees for applications by Hiroki Ishida

The entities that hold a legal rights for patent applications filed by inventor Ishida Hiroki:

IDEMITSU KOSAN CO., LTD. 1 Tokyo, Japan

Recent patent applications by Ishida Hiroki

Hiroki Ishida from Chiba, JP has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2013-11-21

US20130306955A1

Electricity

Nitrogenated heterocyclic derivative, electron-transporting material for organic electroluminescent elements, and organic electroluminescent element using same

InventorID:

535271 ⎘