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ULVAC COATING CORP

Overview
  • Total Patents
    97
  • GoodIP Patent Rank
    57,369
About

ULVAC COATING CORP has a total of 97 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Republic of Korea, China and Taiwan. Its main competitors in its focus markets optics, semiconductors and surface technology and coating are INPRIA CORP, NOZAWA OSAMU and KANAYA YUHO.

Patent filings per year

Chart showing ULVAC COATING CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kageyama Kagehiro 39
#2 Nakamura Daisuke 27
#3 Mochizuki Satoru 20
#4 Morosawa Narihiro 19
#5 Yoshioka Nobuyuki 16
#6 Yamada Fumihiko 16
#7 Isao Akihiko 16
#8 Sasaki Takaei 15
#9 Ozaki Toshiharu 12
#10 Kobayashi Ryoichi 11

Latest patents

Publication Filing date Title
KR20210030881A Mask blanks, method of manufacturing mask blanks, photomask, and method of manufacturing photomask
CN112015044A Mask blank, halftone mask, manufacturing method, and manufacturing apparatus
WO2020226030A1 Quartz etching method and etching substrate
CN109478012A The manufacturing method of exposure mask base, phase-shift mask, intermediate tone mask, the manufacturing method of exposure mask base and phase-shift mask
TW201502692A Manufacturing method of phase shift mask, phase shift mask, and manufacturing device of phase shift mask
WO2014171512A1 Phase shift mask production method and phase shift mask
KR20150102004A Phase Shift Mask and Method For Producing Same
WO2014103875A1 Phase shift mask and method for producing same
KR20150080586A Etching Method, Mask, Functional Component, and Method for Manufacturing Functional Component
CN104471478A Phase-shifting mask blank, and phase-shifting mask and process for producing same
WO2009084516A1 Mask blank, production method of mask blank and production method of mask
KR20100077032A Half-tone mask, half-tone mask blank and method for manufacturing half-tone mask
KR20100077013A Process for producing gray tone mask
KR20080018263A Blanks for gray tone mask, gray tone mask using said blanks, and process for producing said blanks
WO2007010864A1 Blanks for gray tone mask, gray tone mask using said blanks, and process for producing said blanks
US5952128A Phase-shifting photomask blank and method of manufacturing the same as well as phase-shifting photomask
US5674647A Phase shift mask and manufacturing method thereof and exposure method using phase shift mask
DE4339481A1 Absorption phase mask, manufacturing process therefor and use thereof