Inventor
FUKUGAMI NORIHITO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “FUKUGAMI NORIHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPPAN PRINTING CO LTD
8 patentsUS9285672B2Mar 15, 2016
Reflective mask and method for manufacturing same
TOPPAN PRINTING CO LTD8 citations79
US11294270B2Apr 5, 2022
Reflective photomask blank and reflective photomask
TOPPAN PRINTING CO LTD2 citations66
US11067886B2Jul 20, 2021
Reflective photomask blank and reflective photomask
TOPPAN PRINTING CO LTD1 citations56
US11906896B2Feb 20, 2024
Reflective photomask blank and reflective photomask
TOPPAN PRINTING CO LTD0 citations53
US9921465B2Mar 20, 2018
Reflective mask, reflective mask blank and manufacturing method therefor
TOPPAN PRINTING CO LTD0 citations49
US10372029B2Aug 6, 2019
Reflective mask, reflective mask blank, and manufacturing method therefor
TOPPAN PRINTING CO LTD0 citations47
US9448468B2Sep 20, 2016
Reflective mask blank and reflective mask, and methods for manufacturing reflective mask blank and reflective mask
TOPPAN PRINTING CO LTD1 citations46
US9927692B2Mar 27, 2018
Reflective photomask and production method therefor
TOPPAN PRINTING CO LTD0 citations36