Inventor
ITAGAKI YOUICHI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “ITAGAKI YOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUMI ELECTRIC CO LTD
5 patentsUS7866898B2Jan 11, 2011
Optical communication module
MITSUMI ELECTRIC CO LTD4 citations61
US6709772B2Mar 23, 2004
Organic electrically conductive compound and an organic electroluminescent device including the compound
MITSUMI ELECTRIC CO LTD2 citations61
US6706424B2Mar 16, 2004
Organic electrically conductive compound and an organic electroluminescent device including the compound
MITSUMI ELECTRIC CO LTD0 citations51
US6986952B2Jan 17, 2006
Chemical compound capable of emitting visible light, and luminescent material, electro-luminescent device, and display apparatus that contain the chemical compound
MITSUMI ELECTRIC CO LTD1 citations50
US7856164B2Dec 21, 2010
Waveguide device
MITSUMI ELECTRIC CO LTD0 citations48
KONICA MINOLTA INC
3 patentsUS10571826B2Feb 25, 2020
Developer supplying device and image forming apparatus
KONICA MINOLTA INC0 citations50
US11221566B2Jan 11, 2022
Image forming apparatus containing a toner supply bottle having a single bottle body and a supply unit provided near one end of the bottle body
KONICA MINOLTA INC0 citations45
US9500984B2Nov 22, 2016
Toner supply device and image forming apparatus
KONICA MINOLTA INC0 citations36