Inventor

YOKOI HAJIME

JP4 patents

⚠️ This page may combine multiple inventors who share the name “YOKOI HAJIME”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHISSO CORP

2 patents

US6761981B2Jul 13, 2004

Cyclic tertiary amine compound and organic electroluminescent device containing the compound

CHISSO CORP4 citations59

US6936189B2Aug 30, 2005

Cyclic tertiary amine compound and organic electroluminescent device containing the compound

CHISSO CORP1 citations48

YOKOI HAJIME

1 patent

US8124185B2Feb 28, 2012

Method for manufacturing organic functional layer and organic functional device, and organic functional device manufacturing apparatus

YOKOI HAJIME1 citations43

TOPPAN PRINTING CO LTD

1 patent

US7977866B2Jul 12, 2011

Organic electroluminescence element having partition wall covered by insulating layer

TOPPAN PRINTING CO LTD0 citations39