Inventor
KOIZUMI MASUMI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KOIZUMI MASUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OKI ELECTRIC IND CO LTD
8 patentsUS5700714ADec 23, 1997
Diffusion mask and fabrication method for forming pn-junction elements in a compound semiconductor substrate
OKI ELECTRIC IND CO LTD86 citations96
US5955748ASep 21, 1999
End face light emitting type light emitting diode
OKI ELECTRIC IND CO LTD54 citations95
US5070379ADec 3, 1991
Thin-film transistor matrix for active matrix display panel with alloy electrodes
OKI ELECTRIC IND CO LTD40 citations92
US6023104AFeb 8, 2000
LED array alignment mark, method and mask for forming same, and LED array alignment method
OKI ELECTRIC IND CO LTD20 citations91
US5943586AAug 24, 1999
LED array alignment mark, method and mask for forming same, and LED array alignment method
OKI ELECTRIC IND CO LTD20 citations91
US5869848AFeb 9, 1999
End face light-emitting-type LED, end face light-emitting-type LED array and methods of manufacturing them
OKI ELECTRIC IND CO LTD23 citations91
US5225364AJul 6, 1993
Method of fabricating a thin-film transistor matrix for an active matrix display panel
OKI ELECTRIC IND CO LTD12 citations73
US5866439AFeb 2, 1999
Method of fabricating an end face light emitting type light-emitting diode and a light-emitting diode array device
OKI ELECTRIC IND CO LTD3 citations62
OKI DATA KK
6 patentsUS6297842B1Oct 2, 2001
Organic electroluminescent light-emitting array and optical head assembly
OKI DATA KK58 citations95
US6541796B2Apr 1, 2003
Opto-electronic device with self-aligned ohmic contact layer
OKI DATA KK11 citations73
US6291328B1Sep 18, 2001
Opto-electronic device with self-aligned ohmic contact layer
OKI DATA KK11 citations73
US7847304B2Dec 7, 2010
LED array, LED head and image recording apparatus
OKI DATA KK6 citations63
US6781246B2Aug 24, 2004
Semiconductor array device with single interconnection layer
OKI DATA KK6 citations63
US6858875B2Feb 22, 2005
Light-emitting-element array
OKI DATA KK6 citations62
DIAFOIL CO LTD
4 patentsUS5087526AFeb 11, 1992
Biaxially oriented polyester film for use in floppy disc
DIAFOIL CO LTD23 citations91
US5093064AMar 3, 1992
Low-shrinkage polyester film and preparation thereof
DIAFOIL CO LTD17 citations81
US4960636AOct 2, 1990
Biaxially oriented polyester film for floppy disk
DIAFOIL CO LTD9 citations73
USRE34727ESep 13, 1994
Low-shrinkage polyester film and preparation thereof
DIAFOIL CO LTD4 citations62