Inventor
MITSUI YOICHI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “MITSUI YOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
10 patentsUS7679798B2Mar 16, 2010
Optical scanning device and cover glass cleaning mechanism for optical scanning device
SEIKO EPSON CORP14 citations83
US7098448B2Aug 29, 2006
Method and apparatus for measuring beam spot of scanning light
SEIKO EPSON CORP8 citations73
US7787003B2Aug 31, 2010
Image forming apparatus
SEIKO EPSON CORP4 citations62
US7330295B2Feb 12, 2008
Optical scanning device and cover glass cleaning mechanism for optical scanning device
SEIKO EPSON CORP2 citations62
US8998360B2Apr 7, 2015
Dot data generating method, dot data generating device, inkjet recording device, and inkjet recording system
SEIKO EPSON CORP0 citations51
US12499339B2Dec 16, 2025
Printing apparatus, print control apparatus, and print control program
SEIKO EPSON CORP0 citations50
US12271639B2Apr 8, 2025
Printing apparatus, printing method, and printing control program for performing print job with desired print settings
SEIKO EPSON CORP0 citations50
US12001731B2Jun 4, 2024
Printing device
SEIKO EPSON CORP0 citations50
US8888215B2Nov 18, 2014
Inkjet recording device, inkjet recording method, and inkjet recording system
SEIKO EPSON CORP1 citations50
US7385619B2Jun 10, 2008
Image forming apparatus
SEIKO EPSON CORP0 citations41