Inventor
TOYAMA NOBUHITO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “TOYAMA NOBUHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAINIPPON PRINTING CO LTD
16 patentsUS7297386B2Nov 20, 2007
Antireflection structure
DAINIPPON PRINTING CO LTD81 citations95
US7117140B2Oct 3, 2006
Method of evaluating the exposure property of data to wafer
DAINIPPON PRINTING CO LTD13 citations83
US7067221B2Jun 27, 2006
Designing method and device for phase shift mask
DAINIPPON PRINTING CO LTD12 citations80
US6821683B2Nov 23, 2004
Method for correcting design pattern of semiconductor circuit, a photomask fabricated using the corrected design pattern data, a method for inspecting the photomask and a method for generating pattern data for inspection of photomask
DAINIPPON PRINTING CO LTD13 citations78
US6523163B1Feb 18, 2003
Method for forming pattern data and method for writing a photomask with additional patterns
DAINIPPON PRINTING CO LTD7 citations73
US11340389B2May 24, 2022
Diffractive optical element
DAINIPPON PRINTING CO LTD2 citations72
US10591133B2Mar 17, 2020
Diffractive optical element and light irradiation apparatus
DAINIPPON PRINTING CO LTD2 citations72
US11366256B2Jun 21, 2022
Diffractive optical element
DAINIPPON PRINTING CO LTD0 citations62
US6694500B2Feb 17, 2004
Design circuit pattern for test of semiconductor circuit
DAINIPPON PRINTING CO LTD2 citations62
US7367010B2Apr 29, 2008
Designing method and device for phase shift mask
DAINIPPON PRINTING CO LTD2 citations59
US7287240B2Oct 23, 2007
Designing method and device for phase shift mask
DAINIPPON PRINTING CO LTD6 citations59
US6560767B2May 6, 2003
Process for making photomask pattern data and photomask
DAINIPPON PRINTING CO LTD5 citations56
US6656664B2Dec 2, 2003
Method of forming minute focusing lens
DAINIPPON PRINTING CO LTD1 citations52
US10768347B2Sep 8, 2020
Diffractive optical element and light irradiation device
DAINIPPON PRINTING CO LTD0 citations51
US10704763B2Jul 7, 2020
Diffractive optical element and light irradiation apparatus
DAINIPPON PRINTING CO LTD0 citations51
US7968255B2Jun 28, 2011
Photomask
DAINIPPON PRINTING CO LTD0 citations32