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TOSOH QUARTZ CORP

Overview
  • Total Patents
    74
  • GoodIP Patent Rank
    138,566
  • Filing trend
    ⇧ 500.0%
About

TOSOH QUARTZ CORP has a total of 74 patent applications. It increased the IP activity by 500.0%. Its first patent ever was published in 1998. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and Taiwan. Its main competitors in its focus markets machines, environmental technology and materials and metallurgy are TATEVOSYAN KAREN M, SARATOVSKIJ INST STEKLA AOOT and CHENGDU HENGTONG OPTICAL COMM.

Patent filings in countries

World map showing TOSOH QUARTZ CORPs patent filings in countries

Patent filings per year

Chart showing TOSOH QUARTZ CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chiba Kazuyuki 12
#2 Kuniyoshi Minoru 11
#3 Seki Koji 9
#4 Ito Chiemi 9
#5 Suzuki Takaya 8
#6 Sato Miyuki 7
#7 Honda Keiji 7
#8 Onuki Yukio 7
#9 Kato Tadaaki 7
#10 Mutou Takeshi 5

Latest patents

Publication Filing date Title
WO2020245874A1 Opaque quartz glass, and method for producing same
WO2020129174A1 Opaque quartz glass and production method therefor
WO2020121511A1 Method for producing opaque quartz glass
WO2020079795A1 Quartz glass dummy wafer
US2021039978A1 Opaque quartz glass and method for manufacturing the same
JP2019018540A Method for manufacturing quartz glass nozzle plate
JP2014211388A Manufacturing method for flow cell, and flow cell
JP2014108912A Mold material, and production method of quartz glass molding using mold material
JP2014094864A Production method of black quartz glass
JP2014091659A Production method and production tool of black quartz glass
JP2013112571A Method and apparatus for manufacturing quartz glass cylinder material
JP2013112540A Method and apparatus for manufacturing quartz glass cylinder material
JP2013018658A Method of assembling mold material for manufacturing quartz glass compact
JP2012201590A Method for producing quartz glass molding
JP2012153586A Apparatus for producing quartz glass molded body
JP2012116668A Jig for assembling mold material for manufacturing quartz glass molding and method for assembling mold material
JP2012041228A Method for manufacturing quartz glass molded product
JP2012020907A Method for producing quartz glass molding
JP2011236101A Mold for forming cylindrical quartz glass and forming method using the same
JP2011162392A Mold material for production of quartz glass molding and method for producing quartz glass molding