Learn more

SHINETSU QUARTZ PROD

Overview
  • Total Patents
    863
  • GoodIP Patent Rank
    27,120
  • Filing trend
    ⇩ 16.0%
About

SHINETSU QUARTZ PROD has a total of 863 patent applications. It decreased the IP activity by 16.0%. Its first patent ever was published in 1980. It filed its patents most often in Japan, Republic of Korea and Taiwan. Its main competitors in its focus markets machines, materials and metallurgy and environmental technology are HERAEUS QUARZGLAS, JIAN QUAN GLASS DEV COMPANY LTD and TOHOS SGM KK.

Patent filings per year

Chart showing SHINETSU QUARTZ PRODs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fujinoki Akira 182
#2 Yamagata Shigeru 181
#3 Sato Tatsuhiro 118
#4 Nishimura Hiroyuki 93
#5 Inagi Kyoichi 65
#6 Ohama Yasuo 51
#7 Watanabe Hiroyuki 42
#8 Usui Tomomi 36
#9 Kato Toshiyuki 36
#10 Suzuki Masanori 36

Latest patents

Publication Filing date Title
JP2020073970A Structure including glass-cloth light reflector
JP2020169111A Titanium-containing quartz glass excellent in ultraviolet absorption, and method of manufacturing the same
JP2020090432A Silica glass yarn, and silica glass cloth
JP2020063171A Manufacturing method of multilayer structure silica glass body
JP2020026362A Quartz glass crucible
JP2019189470A Quartz glass plate
JP2019182697A Quartz glass crucible and method for manufacturing the same
JP2019137563A Carbon electrode, and manufacturing method of quartz glass crucible
JP2019104647A Mold and method for manufacturing quartz glass crucible
JP2019011525A Light reflecting glass cloth
JP2019006636A Opaque quartz glass
JP2018197411A Glass yarn, glass cloth, prepreg and printed wiring board
JP2018184312A Production method of synthetic quartz glass
JP2018118887A Method for manufacturing porous quartz glass preform
JP2018002548A Method of manufacturing quartz glass member for ultraviolet led
JP2017216389A Silica glass member for hermetic seal of ultraviolet smd type led element
JP2017190531A Agent for preventing the fraying of glass fiber base material
JP2017149879A Adhesive for glass, production method of adhesive for glass and production method of glass-adhered body
JP2017031007A Method for storing hydrogen doped silica powder and method for manufacturing quartz glass crucible for pulling silicon single crystal
JP2017001926A Sizing agent for quartz glass fiber, quartz glass fiber, quartz glass yarn and quartz glass cloth