Inventor
IWASHITA HIROYUKI
JP50 patents
⚠️ This page may combine multiple inventors who share the name “IWASHITA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
10 patentsUS8029948B2Oct 4, 2011
Photomask blank, photomask, and methods of manufacturing the same
HOYA CORP7 citations84
US9195133B2Nov 24, 2015
Mask blank, transfer mask and method of manufacturing transfer mask
HOYA CORP1 citations63
US10942440B2Mar 9, 2021
Mask blank, phase shift mask, method of manufacturing phase shift mask, and method of manufacturing semiconductor device
HOYA CORP0 citations52
US9651859B2May 16, 2017
Mask blank, transfer mask and method of manufacturing transfer mask
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
US9075314B2Jul 7, 2015
Photomask blank, photomask, and method for manufacturing photomask blank
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
US9005851B2Apr 14, 2015
Phase shift mask blank and phase shift mask
HOYA CORP1 citations52
US7901842B2Mar 8, 2011
Photomask blank and method of producing the same, method of producing photomask, and method of producing semiconductor device
HOYA CORP1 citations51
IWASHITA HIROYUKI
7 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
US8865378B2Oct 21, 2014
Photomask blank, photomask, and methods of manufacturing the same
IWASHITA HIROYUKI0 citations51
US8512916B2Aug 20, 2013
Photomask blank, photomask, and method for manufacturing photomask blank
IWASHITA HIROYUKI0 citations51
US8431290B2Apr 30, 2013
Photomask blank, photomask, and methods of manufacturing the same
IWASHITA HIROYUKI0 citations51
US8404406B2Mar 26, 2013
Photomask blank and method for manufacturing the same
IWASHITA HIROYUKI0 citations51
HASHIMOTO MASAHIRO
5 patentsUS8637213B2Jan 28, 2014
Mask blank and transfer mask
HASHIMOTO MASAHIRO5 citations84
US9075319B2Jul 7, 2015
Mask blank and transfer mask
HASHIMOTO MASAHIRO2 citations62
US8409772B2Apr 2, 2013
Mask blank and method of manufacturing a transfer mask
HASHIMOTO MASAHIRO2 citations60
US8663876B2Mar 4, 2014
Photomask blank, method of manufacturing the same, photomask, and method of manufacturing the same
HASHIMOTO MASAHIRO0 citations52
US8323858B2Dec 4, 2012
Photomask blank, photomask, and methods of manufacturing the same
HASHIMOTO MASAHIRO0 citations52
TOKYO ELECTRON LTD
5 patentsUS11742190B2Aug 29, 2023
Sputtering apparatus and film forming method
TOKYO ELECTRON LTD0 citations60
US12027353B2Jul 2, 2024
Substrate processing method and apparatus
TOKYO ELECTRON LTD0 citations50
US12014911B2Jun 18, 2024
Sputtering apparatus
TOKYO ELECTRON LTD0 citations50
US11479848B2Oct 25, 2022
Film forming apparatus and method
TOKYO ELECTRON LTD0 citations50
US11158492B2Oct 26, 2021
Film forming apparatus and film forming method
TOKYO ELECTRON LTD0 citations50
SANKYO SEIKI SEISAKUSHO KK
4 patentsUS6393624B1May 28, 2002
Damping device for a toilet seat and lid unit in western-style toilet
SANKYO SEIKI SEISAKUSHO KK61 citations96
US6840355B2Jan 11, 2005
Rotary damper device
SANKYO SEIKI SEISAKUSHO KK31 citations92
US4984666AJan 15, 1991
Speed governor for toilet or the like
SANKYO SEIKI SEISAKUSHO KK25 citations92
US5188198AFeb 23, 1993
Power spring drive apparatus
SANKYO SEIKI SEISAKUSHO KK7 citations74
TOYO KOHAN CO LTD
4 patentsUS6579611B1Jun 17, 2003
Resin film for producing decorative laminate and decorative laminate containing the resin film
TOYO KOHAN CO LTD16 citations79
US6270874B1Aug 7, 2001
Polyethylene terephthalate resin-coated metal plate of high processability
TOYO KOHAN CO LTD7 citations71
US6106658AAug 22, 2000
Method and apparatus for producing laminate board
TOYO KOHAN CO LTD4 citations61
US6482526B2Nov 19, 2002
Metallic sheet covered with polyester resin film and having high workability, and method of manufacturing same
TOYO KOHAN CO LTD2 citations60
NIDEC SANKYO CORP
3 patentsUS7798296B2Sep 21, 2010
Damper device and manufacturing method for damper device
NIDEC SANKYO CORP15 citations84
US10221910B2Mar 5, 2019
Fluid damper device, apparatus with damper and western-style toilet unit
NIDEC SANKYO CORP3 citations71
US11199040B2Dec 14, 2021
Rotation transmission mechanism and damper device
NIDEC SANKYO CORP0 citations51
TOTO LTD
2 patentsKOMINATO ATSUSHI
2 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
NEC CORP
2 patentsJTEKT CORP
2 patentsYAMADA TAKEYUKI
2 patentsUS8697315B2Apr 15, 2014
Photomask blank and production method thereof, and photomask production method, and semiconductor device production method
YAMADA TAKEYUKI0 citations50
US8114556B2Feb 14, 2012
Photomask blank and production method thereof, and photomask production method, and semiconductor device production method
YAMADA TAKEYUKI1 citations50