Inventor
HASHIMOTO MASAHIRO
JP80 patents
⚠️ This page may combine multiple inventors who share the name “HASHIMOTO MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
17 patentsUS8029948B2Oct 4, 2011
Photomask blank, photomask, and methods of manufacturing the same
HOYA CORP7 citations84
US7935461B2May 3, 2011
Phase shift mask blank, phase shift mask, and method for manufacturing phase shift mask blank
HOYA CORP7 citations84
US7736822B2Jun 15, 2010
Resist underlayer coating forming composition for mask blank, mask blank and mask
HOYA CORP10 citations83
US9746764B2Aug 29, 2017
Mask blank and transfer mask
HOYA CORP2 citations71
US9195133B2Nov 24, 2015
Mask blank, transfer mask and method of manufacturing transfer mask
HOYA CORP1 citations63
US8048594B2Nov 1, 2011
Photomask blank, photomask, and methods of manufacturing the same
HOYA CORP2 citations63
US8026024B2Sep 27, 2011
Mask blank and method for manufacturing transfer mask
HOYA CORP3 citations63
US7972750B2Jul 5, 2011
Mask blank and mask
HOYA CORP4 citations63
US11442357B2Sep 13, 2022
Mask blank, phase-shift mask, and method of manufacturing semiconductor device
HOYA CORP0 citations62
US11048160B2Jun 29, 2021
Mask blank, phase shift mask and method for manufacturing semiconductor device
HOYA CORP0 citations52
US9651859B2May 16, 2017
Mask blank, transfer mask and method of manufacturing transfer mask
HOYA CORP0 citations52
US9612527B2Apr 4, 2017
Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device
HOYA CORP0 citations52
US9535320B2Jan 3, 2017
Mask blank, method of manufacturing the same, transfer mask, and method of manufacturing the same
HOYA CORP0 citations52
US9389501B2Jul 12, 2016
Photomask blank, method of manufacturing the same, photomask, and method of manufacturing the same
HOYA CORP0 citations52
US9372393B2Jun 21, 2016
Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device
HOYA CORP1 citations52
US9256122B2Feb 9, 2016
Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device
HOYA CORP0 citations52
US9075320B2Jul 7, 2015
Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device
HOYA CORP0 citations52
NEC CORP
8 patentsUS6668068B2Dec 23, 2003
Image attribute altering device and electronic watermark embedding device
NEC CORP95 citations98
US6424726B2Jul 23, 2002
Image data encoding system and image inputting apparatus
NEC CORP89 citations97
US6298142B1Oct 2, 2001
Image data encoding system and image inputting apparatus
NEC CORP52 citations95
US7027611B2Apr 11, 2006
Controlling a watermark strength embedded into a digital image
NEC CORP29 citations93
US6947562B2Sep 20, 2005
Electronic watermark detecting/inserting device
NEC CORP29 citations93
US6826289B1Nov 30, 2004
System for changing attribute of image by electronic watermark
NEC CORP40 citations93
US6553070B2Apr 22, 2003
Video-data encoder and recording media wherein a video-data encode program is recorded
NEC CORP40 citations93
US6775416B1Aug 10, 2004
System and method for inserting information in DCT coefficient domain
NEC CORP11 citations74
HITACHI LTD
7 patentsUS4779192AOct 18, 1988
Vector processor with a synchronously controlled operand fetch circuits
HITACHI LTD51 citations93
US4639886AJan 27, 1987
Arithmetic system having pipeline structure arithmetic means
HITACHI LTD43 citations93
US6319649B1Nov 20, 2001
Photosensitive resin composition and method of forming resist images
HITACHI LTD31 citations92
US4051461ASep 27, 1977
Management table apparatus in memory hierarchy system
HITACHI LTD52 citations87
US4385365AMay 24, 1983
Data shunting and recovering device
HITACHI LTD24 citations82
US4654785AMar 31, 1987
Information processing system
HITACHI LTD24 citations80
US4667325AMay 19, 1987
Method and apparatus of scanning control for information processing systems
HITACHI LTD18 citations73
HASHIMOTO MASAHIRO
6 patentsUS8637213B2Jan 28, 2014
Mask blank and transfer mask
HASHIMOTO MASAHIRO5 citations84
US8940462B2Jan 27, 2015
Photomask blank, photomask, method of manufacturing the same, and method of manufacturing a semiconductor device
HASHIMOTO MASAHIRO7 citations83
US9075319B2Jul 7, 2015
Mask blank and transfer mask
HASHIMOTO MASAHIRO2 citations62
US8658334B2Feb 25, 2014
Transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device
HASHIMOTO MASAHIRO2 citations62
US8409772B2Apr 2, 2013
Mask blank and method of manufacturing a transfer mask
HASHIMOTO MASAHIRO2 citations60
US8404407B2Mar 26, 2013
Mask blank, mask blank manufacturing method, transfer mask, and transfer mask manufacturing method
HASHIMOTO MASAHIRO3 citations55
IWASHITA HIROYUKI
3 patentsUS8507155B2Aug 13, 2013
Photomask blank, photomask, and method for manufacturing photomask blank
IWASHITA HIROYUKI3 citations62
US8329364B2Dec 11, 2012
Phase shift mask blank and phase shift mask
IWASHITA HIROYUKI5 citations62
US8304147B2Nov 6, 2012
Photomask blank, photomask, and method for manufacturing photomask blank
IWASHITA HIROYUKI1 citations62
KOMINATO ATSUSHI
3 patentsUS8822103B2Sep 2, 2014
Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device
KOMINATO ATSUSHI2 citations61
US8574793B2Nov 5, 2013
Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device
KOMINATO ATSUSHI2 citations61
US8501372B2Aug 6, 2013
Mask blank, transfer mask, method of manufacturing a transfer mask, and method of manufacturing a semiconductor device
KOMINATO ATSUSHI1 citations61
TOSHIBA KK
2 patentsTOKYO SHIBAURA ELECTRIC CO
1 patentYAMADA TAKEYUKI
1 patentOKUBO YASUSHI
1 patentSHOWA DENKO MATERIALS CO LTD
1 patentShowing the top 50 of 80 patents by PatentIndex Score.