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ULVAC SEIMAKU KK

Overview
  • Total Patents
    108
  • GoodIP Patent Rank
    45,441
  • Filing trend
    ⇩ 54.0%
About

ULVAC SEIMAKU KK has a total of 108 patent applications. It decreased the IP activity by 54.0%. Its first patent ever was published in 1991. It filed its patents most often in Japan, China and Taiwan. Its main competitors in its focus markets optics, semiconductors and surface technology and coating are ULVAC COATING CORP, S&S TECH CO LTD and SHIRASAKI TORU.

Patent filings in countries

World map showing ULVAC SEIMAKU KKs patent filings in countries
# Country Total Patents
#1 Japan 106
#2 China 1
#3 Taiwan 1

Patent filings per year

Chart showing ULVAC SEIMAKU KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kageyama Kagehiro 24
#2 Kojima Tomoaki 22
#3 Toku Akihiko 15
#4 Iso Hiroyuki 15
#5 Yamada Fumihiko 11
#6 Kanai Shuichiro 11
#7 Kawada Susumu 10
#8 Nakamura Daisuke 9
#9 Mochizuki Sei 9
#10 Morosawa Narihiro 8

Latest patents

Publication Filing date Title
JP2020197698A Mask blank, halftone mask, production method and production apparatus
JP2020205374A Silicon etching method and silicon substrate
JP2020202228A Manufacturing method of mask blank and coating applicator
JP2020177048A Mask blank and phase shift mask, method for producing the same
JP2020086087A Mask blank and mask
JP2020060664A Mask blanks, halftone mask, and manufacturing method
JP2020016845A Photomask and method for producing the same
JP2019218594A Apparatus and method for manufacturing mask blank material film, method for manufacturing phase shift mask blank, and method for manufacturing phase shift mask
JP2019168558A Mask blank and photomask, method for producing the same
JP2019090911A Mask blank, half tone mask and method for manufacturing same
JP2019090910A Mask blank, phase shift mask, and method of manufacturing the same
JP2019032423A Heat treatment device and heat treatment method
JP2019008216A Case and application method thereof
JP2019008114A Mask blank and method for manufacturing same
JP2019003109A Method for manufacturing phase shift mask
JP2018207043A Manufacturing method of bonding substrate
JP2018206987A Application device and airflow control unit
JP2018204068A Film deposition apparatus and film deposition method
JP2018205441A Manufacturing method of phase shift mask, and phase shift mask
JP2018136504A Mask blank and photomask