Inventor
SHIMIZU TAKATOKU
JP29 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZU TAKATOKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OKI DATA KK
12 patentsUS6163036ADec 19, 2000
Light emitting element module with a parallelogram-shaped chip and a staggered chip array
OKI DATA KK68 citations96
US6563138B2May 13, 2003
Low-cost, high-density light-emitting-diode array and fabrication method thereof
OKI DATA KK15 citations92
US6559879B1May 6, 2003
LED array head, circuit board, and LED array chip
OKI DATA KK40 citations92
US6388696B1May 14, 2002
Led array, and led printer head
OKI DATA KK39 citations92
US6064418AMay 16, 2000
Led array, print head, and electrophotographic printer
OKI DATA KK16 citations84
US6377292B1Apr 23, 2002
LED print head with reduced reflection of light leaking from edges of LED array chips
OKI DATA KK12 citations74
US6222208B1Apr 24, 2001
Light-emitting diode and light-emitting diode array
OKI DATA KK10 citations74
US6136627AOct 24, 2000
High-resolution light-sensing and light-emitting diode array and fabrication method thereof
OKI DATA KK12 citations74
US6190935B1Feb 20, 2001
Low-cost, high-density light-emitting-diode array and fabrication method thereof
OKI DATA KK10 citations73
US7539429B2May 26, 2009
Image forming apparatus having a stable image density
OKI DATA KK6 citations63
US8005381B2Aug 23, 2011
Image forming apparatus
OKI DATA KK1 citations52
US9535364B2Jan 3, 2017
Image forming apparatus
OKI DATA KK0 citations42
OKI ELECTRIC IND CO LTD
12 patentsUS5955747ASep 21, 1999
High-density light-emitting-diode array utilizing a plurality of isolation channels
OKI ELECTRIC IND CO LTD53 citations96
US5523590AJun 4, 1996
LED array with insulating films
OKI ELECTRIC IND CO LTD41 citations96
US6211537B1Apr 3, 2001
LED array
OKI ELECTRIC IND CO LTD35 citations92
US5997152ADec 7, 1999
Light emitting element module and printer head using the same
OKI ELECTRIC IND CO LTD28 citations92
US5821567AOct 13, 1998
High-resolution light-sensing and light-emitting diode array
OKI ELECTRIC IND CO LTD17 citations92
US5600157AFeb 4, 1997
Light-emitting and light-sensing diode array device, and light-emitting and light-sensing diode with improved sensitivity
OKI ELECTRIC IND CO LTD25 citations89
US5457488AOct 10, 1995
Method and apparatus for controlling array of light-emitting elements
OKI ELECTRIC IND CO LTD34 citations89
US6133588AOct 17, 2000
Light-emitting element array and fabrication method with separate light-emitting and current-conducting diffusion areas
OKI ELECTRIC IND CO LTD8 citations74
US5972729AOct 26, 1999
Method of manufacturing light-receiving/emitting diode array chip
OKI ELECTRIC IND CO LTD12 citations74
US5869221AFeb 9, 1999
Method of fabricating an LED array
OKI ELECTRIC IND CO LTD8 citations74
US5530268AJun 25, 1996
Light-emitting diode array with anti-reflection coating providing reduced internal reflection
OKI ELECTRIC IND CO LTD8 citations74
US5733689AMar 31, 1998
Led array fabrication process with improved unformity
OKI ELECTRIC IND CO LTD3 citations63
SHIMIZU TAKATOKU
3 patentsUS8688017B2Apr 1, 2014
Image formation unit and image formation apparatus
SHIMIZU TAKATOKU3 citations58
US8311433B2Nov 13, 2012
Image forming device including a cleaning member and a method of operating the same
SHIMIZU TAKATOKU0 citations49
US8175469B2May 8, 2012
Image forming device with variable out-of-toner and low-toner display
SHIMIZU TAKATOKU0 citations39