Inventor
GYOUTOKU AKIRA
JP12 patents
⚠️ This page may combine multiple inventors who share the name “GYOUTOKU AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
8 patentsUS7158161B2Jan 2, 2007
Organic electroluminescence element and an exposure unit and image-forming apparatus both using the element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD141 citations97
US6351066B1Feb 26, 2002
Organic electroluminescence element having an insulating bulkhead having an overhang portion
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD45 citations92
US5710484AJan 20, 1998
Organic thin film electroluminescent device having a carbon layer between the hole injection layer and the organic thin film layer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations91
US5923119AJul 13, 1999
Organic thin-film electroluminescent display device, method for driving the same and method for fabricating the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations90
US7116345B2Oct 3, 2006
Image forming apparatus having a cooler for an organic electroluminescence element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US6416886B1Jul 9, 2002
Organic electroluminescence device and manufacturing method thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations72
US5857886AJan 12, 1999
Organic thin film electroluminescent device and its manufacturing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations72
US5726842AMar 10, 1998
Thin-film type magnetic head having an auxiliary magnetic film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62